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Application crash when middle mouse button click on clip in song editor #6146

Open
zeganstyl opened this issue Sep 2, 2021 · 12 comments
Open

Application crash when middle mouse button click on clip in song editor #6146

zeganstyl opened this issue Sep 2, 2021 · 12 comments
Labels
bug
Milestone
1.3

Comments

@zeganstyl
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Bug Summary

When I click with middle mouse button on clip in song editor to remove this clip, it leads to whole application crash sometimes, while song is playing.

Affected LMMS versions

1.3.0-alpha.1.102 (OS Ubuntu 20)
@zeganstyl zeganstyl added the bug label Sep 2, 2021
@Monospace-V
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Contributor

Did you delete a piano roll clip, automation track clip, sample track clip or B/B instance?
Can you give us more information on how to replicate this? Or give us a sample project file and provide instructions on what to do to crash the app?
I cannot replicate this on an empty project, or with a few notes in piano roll.

@zeganstyl
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Author

@Monospace-V, I am using VST plugins through Wine: DrumKit1, TAL NoiseMaker, DSK ChoirZ.
I have 25-30 tracks (Beat+Bassline, no automation clips) in song editor.
Crash can happen in a few minutes or maybe even after half an hour. So it can be difficult to reproduce it.
I remember that it happening only when I delete B/B instance. Other cases were either too rare or the error did not appear.
And it happens only while playing song.

@zonkmachine
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@zeganstyl Can you produce a backtrace of the crash?

@zeganstyl
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Author

@zonkmachine, I will try

@zonkmachine zonkmachine assigned zeganstyl and unassigned zeganstyl Sep 2, 2021
@zeganstyl
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Author

Finally, I have catched this bug.

Here I firstly worked with another project (more large, with same plugins + some other) and it worked fine.
Then I switched to project, where were crashes. In this project I have several instances of same plugin: TAL NoiseMaker, but in previous project that plugin was with one instance.

LMMS Debug 
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from squashfs-root/usr/bin/lmms.real...

warning: Loadable section ".dynstr" outside of ELF segments
(gdb) set sysroot ./squasfs-root
(gdb) set solib-search-path ./squashfs-root/usr/lib
(gdb) run
Starting program: ~/apps/squashfs-root/usr/bin/lmms.real 
warning: Unable to find dynamic linker breakpoint function.
GDB will be unable to debug shared library initializers
and track explicitly loaded dynamic code.
warning: Could not load shared library symbols for 21 libraries, e.g. /lib/x86_64-linux-gnu/libpthread.so.0.
Use the "info sharedlibrary" command to see the complete listing.
Do you need "set solib-search-path" or "set sysroot"?
[New LWP 13574]
Gtk-Message: 17:29:24.615: Failed to load module "atk-bridge"
[New LWP 13575]
[New LWP 13576]
[New LWP 13577]
Notice: could not set realtime priority.
[New LWP 13578]
[New LWP 13579]
[New LWP 13580]
[New LWP 13581]
Lv2 plugin SUMMARY: 0 of 0  loaded in 0 msecs.
[New LWP 13582]
[LWP 13582 exited]
[New LWP 13583]
[New LWP 13584]
[New LWP 13585]
Cannot load library ~/apps/squashfs-root/usr/lib/lmms/libcarlapatchbay.so: (libcarlabase.so: невозможно открыть разделяемый объектный файл: Нет такого файла или каталога)
Cannot load library ~/apps/squashfs-root/usr/lib/lmms/libcarlabase.so: (libcarla_native-plugin.so: невозможно открыть разделяемый объектный файл: Нет такого файла или каталога)
Cannot load library ~/apps/squashfs-root/usr/lib/lmms/libcarlarack.so: (libcarlabase.so: невозможно открыть разделяемый объектный файл: Нет такого файла или каталога)
[New LWP 13589]
[Detaching after fork from child process 13590]
Starting using X11Embed protocol.
unique ID: MSP2
RemotePlugin::DebugMessage: inputs: 0  output: 16
RemotePlugin::DebugMessage: creating editor
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
[New LWP 13632]
[Detaching after fork from child process 13633]
Starting using X11Embed protocol.
unique ID: 6ass
RemotePlugin::DebugMessage: inputs: 0  output: 2
RemotePlugin::DebugMessage: creating editor
wine: Read access denied for device L"\\??\\Z:\\", FS volume label and serial are not available.
wine: Read access denied for device L"\\??\\Z:\\", FS volume label and serial are not available.
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
[New LWP 13637]
[Detaching after fork from child process 13638]
Starting using X11Embed protocol.
unique ID: 4FBS
RemotePlugin::DebugMessage: inputs: 0  output: 2
RemotePlugin::DebugMessage: creating editor
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
[LWP 13577 exited]
[New LWP 13642]
[Detaching after fork from child process 13643]
Starting using X11Embed protocol.
unique ID: MSP2
RemotePlugin::DebugMessage: inputs: 0  output: 16
RemotePlugin::DebugMessage: creating editor
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
[New LWP 13650]
[Detaching after fork from child process 13651]
Starting using X11Embed protocol.
wine: Read access denied for device L"\\??\\D:\\", FS volume label and serial are not available.
wine: Read access denied for device L"\\??\\D:\\", FS volume label and serial are not available.
wine: Read access denied for device L"\\??\\D:\\", FS volume label and serial are not available.
unique ID: dskc
RemotePlugin::DebugMessage: inputs: 0  output: 2
RemotePlugin::DebugMessage: creating editor
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
[New LWP 13655]
[Detaching after fork from child process 13656]
Starting using X11Embed protocol.
unique ID: ncut
RemotePlugin::DebugMessage: inputs: 2  output: 2
RemotePlugin::DebugMessage: creating editor
003f:err:ole:CoGetClassObject class {4ce576fa-83dc-4f88-951c-9d0782b4e376} not registered
003f:err:ole:create_server class {4ce576fa-83dc-4f88-951c-9d0782b4e376} not registered
003f:err:ole:CoGetClassObject no class object {4ce576fa-83dc-4f88-951c-9d0782b4e376} could be created for context 0x6
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
wine: Read access denied for device L"\\??\\Z:\\", FS volume label and serial are not available.
noteEnd() triggered without a corresponding activate()!
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 13237, resource id: 127139283, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 13238, resource id: 127139283, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 13239, resource id: 127139283, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 9712, resource id: 127146664, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 9713, resource id: 127146664, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 9714, resource id: 127146664, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 42011, resource id: 126980464, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 42012, resource id: 126980464, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 42014, resource id: 126980464, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 61067, resource id: 127018022, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 61068, resource id: 127018022, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 61070, resource id: 127018022, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 31338, resource id: 127015853, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 31339, resource id: 127015853, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 31340, resource id: 127015853, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 31341, resource id: 127015853, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 31342, resource id: 127015853, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 31343, resource id: 127015853, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 174, resource id: 127007329, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 175, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 176, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 177, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 178, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 179, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 180, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 181, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 182, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 183, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 184, resource id: 127007329, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 185, resource id: 127007329, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 25695, resource id: 126969818, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 25696, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25697, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25698, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25699, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25700, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25701, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25702, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25703, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25704, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25705, resource id: 126969818, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 25706, resource id: 126969818, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 63494, resource id: 126982545, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 63495, resource id: 126982545, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 63497, resource id: 126982545, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 36813, resource id: 126985635, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 36814, resource id: 126985635, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 36815, resource id: 126985635, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 36816, resource id: 126985635, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 17923, resource id: 126996135, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 17924, resource id: 126996135, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 17925, resource id: 126996135, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 7898, resource id: 126989506, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 7899, resource id: 126989506, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 7900, resource id: 126989506, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 7901, resource id: 126989506, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 7902, resource id: 126989506, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 21998, resource id: 126990462, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 21999, resource id: 126990462, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 22000, resource id: 126990462, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 22001, resource id: 126990462, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 22002, resource id: 126990462, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 22003, resource id: 126990462, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 27767, resource id: 127025378, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 27768, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27769, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27770, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27771, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27772, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27773, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27774, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27775, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27776, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27777, resource id: 127025378, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 27778, resource id: 127025378, major code: 60 (FreeGC), minor code: 0
[New LWP 16928]
[New LWP 16929]
[New LWP 16930]
[LWP 16928 exited]
[LWP 13585 exited]
[New LWP 16954]
[LWP 16929 exited]
PERFLOG |       Project Render | 198.90user, 24.77system 162.97elapsed
[LWP 16954 exited]
[New LWP 17030]
[LWP 17030 exited]
[New LWP 17039]
[LWP 16930 exited]
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 3503, resource id: 126812736, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 3504, resource id: 126812736, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 3505, resource id: 126812736, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 3506, resource id: 126812736, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 3507, resource id: 126812736, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 3508, resource id: 126812736, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 3509, resource id: 126812736, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 3510, resource id: 126812736, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 3511, resource id: 126812736, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 45067, resource id: 126794531, major code: 53 (CreatePixmap), minor code: 0
QXcbConnection: XCB error: 9 (BadDrawable), sequence: 45068, resource id: 126794531, major code: 139 (Unknown), minor code: 4
QXcbConnection: XCB error: 9 (BadDrawable), sequence: 45069, resource id: 126794531, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 9 (BadDrawable), sequence: 45070, resource id: 126794531, major code: 72 (PutImage), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 45071, resource id: 126794533, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 143 (Unknown), sequence: 45072, resource id: 126794532, major code: 139 (Unknown), minor code: 27
QXcbConnection: XCB error: 143 (Unknown), sequence: 45073, resource id: 126794532, major code: 139 (Unknown), minor code: 7
QXcbConnection: XCB error: 4 (BadPixmap), sequence: 45074, resource id: 126794531, major code: 54 (FreePixmap), minor code: 0
QXcbConnection: XCB error: 6 (BadCursor), sequence: 45075, resource id: 126794534, major code: 2 (ChangeWindowAttributes), minor code: 0
QXcbConnection: XCB error: 6 (BadCursor), sequence: 45087, resource id: 126794534, major code: 95 (FreeCursor), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 57769, resource id: 126797347, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 57770, resource id: 126797347, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 57771, resource id: 126797347, major code: 60 (FreeGC), minor code: 0
QXcbConnection: XCB error: 14 (BadIDChoice), sequence: 21361, resource id: 126828627, major code: 55 (CreateGC), minor code: 0
QXcbConnection: XCB error: 13 (BadGC), sequence: 21362, resource id: 126828627, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 21363, resource id: 126828627, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 21364, resource id: 126828627, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 21365, resource id: 126828627, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 21366, resource id: 126828627, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 13 (BadGC), sequence: 21367, resource id: 126828627, major code: 60 (FreeGC), minor code: 0
[New LWP 18097]
[New LWP 18098]
[New LWP 18099]
[New LWP 18100]
[LWP 18097 exited]
[LWP 18099 exited]
[LWP 17039 exited]
[New LWP 18123]
[LWP 18098 exited]
PERFLOG |       Project Render | 196.76user, 24.48system 170.63elapsed
[LWP 18123 exited]
[New LWP 18278]
[LWP 18278 exited]
[New LWP 18280]
[LWP 18100 exited]
[LWP 13655 exited]
003f:err:ole:RevokeDragDrop invalid hwnd 00010182
[LWP 13650 exited]
[LWP 13642 exited]
0036:err:ole:RevokeDragDrop invalid hwnd 000100F4
[LWP 13637 exited]
[LWP 13632 exited]
[LWP 13589 exited]
0009:err:ole:RevokeDragDrop invalid hwnd 0001005E
QProcess: Destroyed while process ("~/apps/squashfs-root/usr/lib/lmms/32/RemoteVstPlugin32") is still running.
Process error:  QProcess::ProcessError(Crashed)
Remote plugin crashed
[New LWP 18304]
[Detaching after fork from child process 18305]
Starting using X11Embed protocol.
unique ID: 6ass
RemotePlugin::DebugMessage: inputs: 0  output: 2
wine: Read access denied for device L"\\??\\Z:\\", FS volume label and serial are not available.
wine: Read access denied for device L"\\??\\Z:\\", FS volume label and serial are not available.
RemotePlugin::DebugMessage: creating editor
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
[New LWP 18310]
[Detaching after fork from child process 18311]
Starting using X11Embed protocol.
unique ID: ncut
RemotePlugin::DebugMessage: inputs: 2  output: 2
RemotePlugin::DebugMessage: creating editor
0049:err:ole:CoGetClassObject class {4ce576fa-83dc-4f88-951c-9d0782b4e376} not registered
0049:err:ole:create_server class {4ce576fa-83dc-4f88-951c-9d0782b4e376} not registered
0049:err:ole:CoGetClassObject no class object {4ce576fa-83dc-4f88-951c-9d0782b4e376} could be created for context 0x6
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
[New LWP 18322]
[Detaching after fork from child process 18323]
Starting using X11Embed protocol.
unique ID: ncut
RemotePlugin::DebugMessage: inputs: 2  output: 2
RemotePlugin::DebugMessage: creating editor
0050:err:ole:CoGetClassObject class {4ce576fa-83dc-4f88-951c-9d0782b4e376} not registered
0050:err:ole:create_server class {4ce576fa-83dc-4f88-951c-9d0782b4e376} not registered
0050:err:ole:CoGetClassObject no class object {4ce576fa-83dc-4f88-951c-9d0782b4e376} could be created for context 0x6
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
[New LWP 18331]
[Detaching after fork from child process 18332]
Starting using X11Embed protocol.
unique ID: ncut
RemotePlugin::DebugMessage: inputs: 2  output: 2
RemotePlugin::DebugMessage: creating editor
0057:err:ole:CoGetClassObject class {4ce576fa-83dc-4f88-951c-9d0782b4e376} not registered
0057:err:ole:create_server class {4ce576fa-83dc-4f88-951c-9d0782b4e376} not registered
0057:err:ole:CoGetClassObject no class object {4ce576fa-83dc-4f88-951c-9d0782b4e376} could be created for context 0x6
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
[New LWP 18340]
[Detaching after fork from child process 18341]
Starting using X11Embed protocol.
wine: Read access denied for device L"\\??\\D:\\", FS volume label and serial are not available.
wine: Read access denied for device L"\\??\\D:\\", FS volume label and serial are not available.
wine: Read access denied for device L"\\??\\D:\\", FS volume label and serial are not available.
unique ID: dskc
RemotePlugin::DebugMessage: inputs: 0  output: 2
RemotePlugin::DebugMessage: creating editor
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
wine: Read access denied for device L"\\??\\Z:\\", FS volume label and serial are not available.
--Type <RET> for more, q to quit, c to continue without paging--

Thread 32 "Mixer::fifoWrit" received signal SIGSEGV, Segmentation fault.
[Switching to LWP 18280]
0x00007ffff4fe2e26 in ?? ()
(gdb)

@zonkmachine
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Member 

Thread 32 "Mixer::fifoWrit" received signal SIGSEGV, Segmentation fault.
[Switching to LWP 18280]
0x00007ffff4fe2e26 in ?? ()
(gdb)

Thanks! Can you please give us the output of the command
bt full
type it at the prompt (gdb)

@zeganstyl
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zeganstyl commented Sep 2, 2021 •
edited
Loading

@zonkmachine, I forgot about that and closed terminal :(
Next time.

@zeganstyl
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bt full 
RemotePlugin::DebugMessage: inputs: 0  output: 2
RemotePlugin::DebugMessage: creating editor
RemotePlugin::DebugMessage: editor successfully created
QObject::connect: Cannot connect (null)::subWindowActivated( QMdiSubWindow* ) to SubWindow::focusChanged( QMdiSubWindow* )
wine: Read access denied for device L"\\??\\Z:\\", FS volume label and serial are not available.

Thread 13 "Mixer::fifoWrit" received signal SIGSEGV, Segmentation fault.
[Switching to LWP 23151]
--Type <RET> for more, q to quit, c to continue without paging--c
0x00007ffff4fe2df2 in ?? ()
(gdb) bt full
#0  0x00007ffff4fe2df2 in ?? ()
No symbol table info available.
#1  0x00007fffa37fca60 in ?? ()
No symbol table info available.
#2  0xd604909550505600 in ?? ()
No symbol table info available.
#3  0x00007fffa37fcb70 in ?? ()
No symbol table info available.
#4  0xd604909550505600 in ?? ()
No symbol table info available.
#5  0x00007fffa37fca60 in ?? ()
No symbol table info available.
#6  0x00007fffa37fcb70 in ?? ()
No symbol table info available.
#7  0x00007fffeea48820 in ?? ()
No symbol table info available.
#8  0x00007fff94008af0 in ?? ()
No symbol table info available.
#9  0x000000000000e4c0 in ?? ()
No symbol table info available.
#10 0x0000000000597680 in TrackContainer::automatedValuesFromTracks (
    tracks=..., time=..., tcoNum=tcoNum@entry=-1)
    at /root/project/src/core/TrackContainer.cpp:293
--Type <RET> for more, q to quit, c to continue without paging--c
        p = <optimized out>
        tco = 0x7fffeea48820
        __for_range = @0x7fffa37fca50: {d = 0x7fff940087d0}
        __for_begin = 0x7fff94008af0
        __for_end = <optimized out>
        tcos = {d = 0x7fff940087d0}
        valueMap = {d = 0x0}
#11 0x000000000058a581 in Song::automatedValuesAt (this=0xcd4780, time=..., tcoNum=-1) at /root/project/src/core/Song.cpp:844
No locals.
#12 0x000000000058b4e3 in Song::processAutomations (this=this@entry=0xcd4780, tracklist=..., timeStart=...) at /root/project/src/core/Song.cpp:383
        values = {d = 0x7ffff54ac280 <QMapDataBase::shared_null>}
        recordedModels = {q_hash = {{d = 0x7ffff546c3a0 <QHashData::shared_null>, e = 0x7ffff546c3a0 <QHashData::shared_null>}}}
        container = 0xcd4780
        tcoNum = <optimized out>
        tracks = {d = 0xcba3ec}
#13 0x000000000058c263 in Song::processNextBuffer (this=0xcd4780) at /root/project/src/core/Song.cpp:338
        frameOffsetInTick = 0
        framesUntilNextPeriod = <optimized out>
        framesUntilNextTick = <optimized out>
        framesToPlay = <optimized out>
        trackList = {d = 0x3aa5390}
        clipNum = -1
        enforceLoop = <optimized out>
        timeline = 0x156ff90
        loopEnabled = <optimized out>
        framesPerTick = <optimized out>
        framesPerPeriod = <optimized out>
        frameOffsetInPeriod = 17
#14 0x0000000000559998 in Mixer::renderNextBuffer (this=0xefaec0) at /root/project/src/core/Mixer.cpp:376
        it_rem = <optimized out>
        fxMixer = <optimized out>
#15 0x0000000000559d0c in Mixer::fifoWriter::run (this=0xf61710) at /root/project/src/core/Mixer.cpp:1263
        buffer = 0x7fff94008be0
        b = <optimized out>
        frames = <optimized out>
#16 0x00007ffff51c93f8 in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
No symbol table info available.
#17 0x00007ffff7f8d609 in ?? ()
No symbol table info available.
#18 0x0000000000000000 in ?? ()
No symbol table info available.
(gdb)
thread apply all bt full 
(gdb) thread apply all bt full

Thread 18 (LWP 23225):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x00007fff7c005220 in ?? ()
No symbol table info available.
#2  0x00007fff7c005220 in ?? ()
No symbol table info available.
#3  0x0000000000000002 in ?? ()
No symbol table info available.
#4  0xffffffff00000001 in ?? ()
No symbol table info available.
#5  0x00007fff7c000c30 in ?? ()
No symbol table info available.
#6  0x00007ffff4bf636e in ?? ()
No symbol table info available.
#7  0x00007fff7c003200 in ?? ()
No symbol table info available.
#8  0x0000000190da9b60 in ?? ()
No symbol table info available.
#9  0xffffffff7fffffff in ?? ()
No symbol table info available.
#10 0xd604909550505600 in ?? ()
No symbol table info available.
#11 0x00007ffff546b260 in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
No symbol table info available.
#12 0x00007fff7c000b80 in ?? ()
No symbol table info available.
#13 0x00007fff7c000c30 in ?? ()
No symbol table info available.
#14 0x0000000000000001 in ?? ()
No symbol table info available.
#15 0x00007fff7c000b60 in ?? ()
No symbol table info available.
#16 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 17 (LWP 23216):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x00007fff880041c0 in ?? ()
No symbol table info available.
#2  0x00007fff880041c0 in ?? ()
No symbol table info available.
#3  0x0000000000000002 in ?? ()
No symbol table info available.
#4  0xffffffff00000001 in ?? ()
No symbol table info available.
#5  0x00007fff88000c30 in ?? ()
No symbol table info available.
#6  0x00007ffff4bf636e in ?? ()
No symbol table info available.
#7  0x00007fff88004a00 in ?? ()
--Type <RET> for more, q to quit, c to continue without paging--c
No symbol table info available.
#8  0x0000000100000001 in ?? ()
No symbol table info available.
#9  0xffffffff7fffffff in ?? ()
No symbol table info available.
#10 0xd604909550505600 in ?? ()
No symbol table info available.
#11 0x00007ffff546b260 in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
No symbol table info available.
#12 0x00007fff88000b80 in ?? ()
No symbol table info available.
#13 0x00007fff88000c30 in ?? ()
No symbol table info available.
#14 0x0000000000000001 in ?? ()
No symbol table info available.
#15 0x00007fff88000b60 in ?? ()
No symbol table info available.
#16 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 16 (LWP 23207):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x00007fff84005220 in ?? ()
No symbol table info available.
#2  0x00007fff84005220 in ?? ()
No symbol table info available.
#3  0x0000000000000002 in ?? ()
No symbol table info available.
#4  0xffffffff00000001 in ?? ()
No symbol table info available.
#5  0x00007fff84000c30 in ?? ()
No symbol table info available.
#6  0x00007ffff4bf636e in ?? ()
No symbol table info available.
#7  0x00007fff84003200 in ?? ()
No symbol table info available.
#8  0x0000000191dabb60 in ?? ()
No symbol table info available.
#9  0xffffffff7fffffff in ?? ()
No symbol table info available.
#10 0xd604909550505600 in ?? ()
No symbol table info available.
#11 0x00007ffff546b260 in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
No symbol table info available.
#12 0x00007fff84000b80 in ?? ()
No symbol table info available.
#13 0x00007fff84000c30 in ?? ()
No symbol table info available.
#14 0x0000000000000001 in ?? ()
No symbol table info available.
#15 0x00007fff84000b60 in ?? ()
No symbol table info available.
#16 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 15 (LWP 23196):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x00007fffd8004350 in ?? ()
No symbol table info available.
#2  0x00007fffd8004350 in ?? ()
No symbol table info available.
#3  0x0000000000000002 in ?? ()
No symbol table info available.
#4  0xffffffff00000001 in ?? ()
No symbol table info available.
#5  0x00007fffd8000c10 in ?? ()
No symbol table info available.
#6  0x00007ffff4bf636e in ?? ()
No symbol table info available.
#7  0x00007fffd8004930 in ?? ()
No symbol table info available.
#8  0x0000000100000001 in ?? ()
No symbol table info available.
#9  0xffffffff7fffffff in ?? ()
No symbol table info available.
#10 0xd604909550505600 in ?? ()
No symbol table info available.
#11 0x00007ffff546b260 in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
No symbol table info available.
#12 0x00007fffd8000b60 in ?? ()
No symbol table info available.
#13 0x00007fffd8000c10 in ?? ()
No symbol table info available.
#14 0x0000000000000001 in ?? ()
No symbol table info available.
#15 0x00007fffd8001360 in ?? ()
No symbol table info available.
#16 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 14 (LWP 23155):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x00007fff8c003530 in ?? ()
No symbol table info available.
#2  0x00007fff8c003530 in ?? ()
No symbol table info available.
#3  0x0000000000000002 in ?? ()
No symbol table info available.
#4  0xffffffff00000001 in ?? ()
No symbol table info available.
#5  0x00007fff8c000c30 in ?? ()
No symbol table info available.
#6  0x00007ffff4bf636e in ?? ()
No symbol table info available.
#7  0x00007fff8c003d70 in ?? ()
No symbol table info available.
#8  0x0000000100000001 in ?? ()
No symbol table info available.
#9  0xffffffff7fffffff in ?? ()
No symbol table info available.
#10 0xd604909550505600 in ?? ()
No symbol table info available.
#11 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 13 (LWP 23151):
#0  0x00007ffff4fe2df2 in ?? ()
No symbol table info available.
#1  0x00007fffa37fca60 in ?? ()
No symbol table info available.
#2  0xd604909550505600 in ?? ()
No symbol table info available.
#3  0x00007fffa37fcb70 in ?? ()
No symbol table info available.
#4  0xd604909550505600 in ?? ()
No symbol table info available.
#5  0x00007fffa37fca60 in ?? ()
No symbol table info available.
#6  0x00007fffa37fcb70 in ?? ()
No symbol table info available.
#7  0x00007fffeea48820 in ?? ()
No symbol table info available.
#8  0x00007fff94008af0 in ?? ()
No symbol table info available.
#9  0x000000000000e4c0 in ?? ()
No symbol table info available.
#10 0x0000000000597680 in TrackContainer::automatedValuesFromTracks (tracks=..., time=..., tcoNum=tcoNum@entry=-1) at /root/project/src/core/TrackContainer.cpp:293
        p = <optimized out>
        tco = 0x7fffeea48820
        __for_range = @0x7fffa37fca50: {d = 0x7fff940087d0}
        __for_begin = 0x7fff94008af0
        __for_end = <optimized out>
        tcos = {d = 0x7fff940087d0}
        valueMap = {d = 0x0}
#11 0x000000000058a581 in Song::automatedValuesAt (this=0xcd4780, time=..., tcoNum=-1) at /root/project/src/core/Song.cpp:844
No locals.
#12 0x000000000058b4e3 in Song::processAutomations (this=this@entry=0xcd4780, tracklist=..., timeStart=...) at /root/project/src/core/Song.cpp:383
        values = {d = 0x7ffff54ac280 <QMapDataBase::shared_null>}
        recordedModels = {q_hash = {{d = 0x7ffff546c3a0 <QHashData::shared_null>, e = 0x7ffff546c3a0 <QHashData::shared_null>}}}
        container = 0xcd4780
        tcoNum = <optimized out>
        tracks = {d = 0xcba3ec}
#13 0x000000000058c263 in Song::processNextBuffer (this=0xcd4780) at /root/project/src/core/Song.cpp:338
        frameOffsetInTick = 0
        framesUntilNextPeriod = <optimized out>
        framesUntilNextTick = <optimized out>
        framesToPlay = <optimized out>
        trackList = {d = 0x3aa5390}
        clipNum = -1
        enforceLoop = <optimized out>
        timeline = 0x156ff90
        loopEnabled = <optimized out>
        framesPerTick = <optimized out>
        framesPerPeriod = <optimized out>
        frameOffsetInPeriod = 17
#14 0x0000000000559998 in Mixer::renderNextBuffer (this=0xefaec0) at /root/project/src/core/Mixer.cpp:376
        it_rem = <optimized out>
        fxMixer = <optimized out>
#15 0x0000000000559d0c in Mixer::fifoWriter::run (this=0xf61710) at /root/project/src/core/Mixer.cpp:1263
        buffer = 0x7fff94008be0
        b = <optimized out>
        frames = <optimized out>
#16 0x00007ffff51c93f8 in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
No symbol table info available.
#17 0x00007ffff7f8d609 in ?? ()
No symbol table info available.
#18 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 12 (LWP 23150):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x0000000000000010 in ?? ()
No symbol table info available.
#2  0x00007fff9c0029e0 in ?? ()
No symbol table info available.
#3  0x0000000000000002 in ?? ()
No symbol table info available.
#4  0x000000faf7ffe190 in ?? ()
No symbol table info available.
#5  0x00000000000003f7 in ?? ()
No symbol table info available.
#6  0x00000000005beae6 in poll (__timeout=250, __nfds=2, __fds=0x7fff9c0029e0) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
No locals.
#7  MidiAlsaSeq::run (this=0xf5ebf0) at /root/project/src/core/midi/MidiAlsaSeq.cpp:472
        pollRet = <optimized out>
        pollfd_count = 2
        pollfd_set = 0x7fff9c0029e0
        __PRETTY_FUNCTION__ = "virtual void MidiAlsaSeq::run()"
#8  0x00007ffff51c93f8 in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
No symbol table info available.
#9  0x00007ffff7f8d609 in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 11 (LWP 23149):
#0  0x00007ffff4e42bf6 in ?? ()
No symbol table info available.
#1  0x000000000108d8d0 in ?? ()
No symbol table info available.
#2  0x00007fffa8000fe0 in ?? ()
No symbol table info available.
#3  0x0000000000000003 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 9 (LWP 23147):
#0  0x00007ffff7f94376 in ?? ()
No symbol table info available.
#1  0x000000000003b831 in ?? ()
No symbol table info available.
#2  0x0000008150505600 in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x0000000000cb1138 in ?? ()
No symbol table info available.
#5  0x0000000000000004 in ?? ()
No symbol table info available.
#6  0x0000000000077063 in ?? ()
No symbol table info available.
#7  0x0000000000cb113c in ?? ()
No symbol table info available.
#8  0x0000000000a06058 in MixerWorkerThread::globalJobQueue ()
No symbol table info available.
#9  0x00007ffff7f94050 in ?? ()
No symbol table info available.
#10 0x00007fffd0f4cba0 in ?? ()
No symbol table info available.
#11 0x00007fffbc004a50 in ?? ()
No symbol table info available.
#12 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 8 (LWP 23146):
#0  0x00007ffff7f94376 in ?? ()
No symbol table info available.
#1  0x000000000003b832 in ?? ()
No symbol table info available.
#2  0x0000008150505600 in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x0000000000cb1138 in ?? ()
No symbol table info available.
#5  0x0000000000000004 in ?? ()
No symbol table info available.
#6  0x0000000000077065 in ?? ()
No symbol table info available.
#7  0x0000000000cb113c in ?? ()
No symbol table info available.
#8  0x0000000000a06060 in MixerWorkerThread::globalJobQueue ()
No symbol table info available.
#9  0x00007ffff7f94050 in ?? ()
No symbol table info available.
#10 0x00007fffd174dba0 in ?? ()
No symbol table info available.
#11 0x00007fffc80059a0 in ?? ()
No symbol table info available.
#12 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 7 (LWP 23145):
#0  0x00007ffff7f94376 in ?? ()
No symbol table info available.
#1  0x000000000003b830 in ?? ()
No symbol table info available.
#2  0x0000008100000000 in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x0000000000cb1138 in ?? ()
No symbol table info available.
#5  0x0000000000000004 in ?? ()
No symbol table info available.
#6  0x0000000000077061 in ?? ()
No symbol table info available.
#7  0x0000000000cb113c in ?? ()
No symbol table info available.
#8  0x00000000005243cf in EffectChain::processAudioBuffer (this=0x7fffd1f4eb80, _buf=0xcb1100, _frames=<optimized out>, hasInputNoise=40) at /root/project/src/core/EffectChain.cpp:200
        it = 0xcb1154
        moreEffects = false
#9  0xd604909550505600 in ?? ()
No symbol table info available.
#10 0x000000003e40e1b0 in ?? ()
No symbol table info available.
#11 0x0000000000cb1100 in ?? ()
No symbol table info available.
#12 0xffffffffffffffff in ?? ()
No symbol table info available.
#13 0xfffffffffff0bdc0 in ?? ()
No symbol table info available.
#14 0x0000000000cb1128 in ?? ()
No symbol table info available.
#15 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 6 (LWP 23144):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x00007fffcc0025e0 in ?? ()
No symbol table info available.
#2  0x00007fffcc0025e0 in ?? ()
No symbol table info available.
#3  0x0000000000000003 in ?? ()
No symbol table info available.
#4  0xffffffff00000001 in ?? ()
No symbol table info available.
#5  0x00007fffcc000c30 in ?? ()
No symbol table info available.
#6  0x00007ffff4bf636e in ?? ()
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 4 (LWP 23140):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x0000000000d48650 in ?? ()
No symbol table info available.
#2  0x0000000000d48650 in ?? ()
No symbol table info available.
#3  0x0000000000000002 in ?? ()
No symbol table info available.
#4  0xffffffff00000001 in ?? ()
No symbol table info available.
#5  0x0000000000d46050 in ?? ()
No symbol table info available.
#6  0x00007ffff4bf636e in ?? ()
No symbol table info available.
#7  0x0000000000000001 in ?? ()
No symbol table info available.
#8  0x0000000100d46020 in ?? ()
No symbol table info available.
#9  0xffffffff7fffffff in ?? ()
No symbol table info available.
#10 0xd604909550505600 in ?? ()
No symbol table info available.
#11 0x0000000000d46050 in ?? ()
No symbol table info available.
#12 0x0000000000d46148 in ?? ()
No symbol table info available.
#13 0x0000000000d46140 in ?? ()
No symbol table info available.
#14 0x0000000000d4614c in ?? ()
No symbol table info available.
#15 0x00007fffffffc26f in ?? ()
No symbol table info available.
#16 0x00007fffffffc300 in ?? ()
No symbol table info available.
#17 0x00007fffe2ef8e00 in ?? ()
No symbol table info available.
#18 0x00007ffff4bf66f3 in ?? ()
No symbol table info available.
#19 0x00007fffd4001400 in ?? ()
No symbol table info available.
#20 0x0000000000d46020 in ?? ()
No symbol table info available.
#21 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 3 (LWP 23139):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x0000000000d35330 in ?? ()
No symbol table info available.
#2  0x0000000000d35330 in ?? ()
No symbol table info available.
#3  0x0000000000000002 in ?? ()
No symbol table info available.
#4  0xffffffff00000001 in ?? ()
No symbol table info available.
#5  0x0000000000d36840 in ?? ()
No symbol table info available.
#6  0x00007ffff4bf636e in ?? ()
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 2 (LWP 23138):
#0  0x00007ffff4e42aff in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 1 (LWP 23134):
#0  0x00007ffff7a97751 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#1  0x00007ffff7a97764 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#2  0x00007ffff7a97764 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#3  0x00007ffff7a97764 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#4  0x00007ffff7a97764 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#5  0x00007ffff7a97764 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#6  0x00007ffff7a97764 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#7  0x00007ffff7a97764 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#8  0x00007ffff7a9b92b in QWidgetPrivate::prepareToRender(QRegion const&, QFlags<QWidget::RenderFlag>) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#9  0x00007ffff7a9c4df in QWidget::render(QPainter*, QPoint const&, QRegion const&, QFlags<QWidget::RenderFlag>) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#10 0x00007ffff7a9c86b in QWidget::render(QPaintDevice*, QPoint const&, QRegion const&, QFlags<QWidget::RenderFlag>) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#11 0x00007ffff7a9ca94 in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#12 0x00007ffff7df0af7 in QGraphicsEffectSource::pixmap(Qt::CoordinateSystem, QPoint*, QGraphicsEffect::PixmapPadMode) const () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#13 0x00007ffff7df0b9a in QGraphicsEffect::sourcePixmap(Qt::CoordinateSystem, QPoint*, QGraphicsEffect::PixmapPadMode) const () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#14 0x00007ffff7df1011 in QGraphicsDropShadowEffect::draw(QPainter*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#15 0x00007ffff7a9862d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#16 0x00007ffff7a98c2c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#17 0x00007ffff7a98b19 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#18 0x00007ffff7a97aa1 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#19 0x00007ffff7a98c2c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#20 0x00007ffff7a98b19 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#21 0x00007ffff7a98b19 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#22 0x00007ffff7a97aa1 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#23 0x00007ffff7a98c2c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#24 0x00007ffff7a97aa1 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#25 0x00007ffff7a98c2c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#26 0x00007ffff7a97aa1 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#27 0x00007ffff7a98c2c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#28 0x00007ffff7a97aa1 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#29 0x00007ffff7a98c2c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#30 0x00007ffff7a97aa1 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#31 0x00007ffff7a98c2c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#32 0x00007ffff7a97aa1 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#33 0x00007ffff7a6724e in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#34 0x00007ffff7a6743f in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#35 0x00007ffff7a86d1f in QWidgetPrivate::syncBackingStore() () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#36 0x00007ffff7a9eb78 in QWidget::event(QEvent*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#37 0x00007ffff7bb87eb in QMainWindow::event(QEvent*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#38 0x00007ffff7a5921c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#39 0x00007ffff7a5e756 in QApplication::notify(QObject*, QEvent*) () from ~/apps/squashfs-root/usr/lib/libQt5Widgets.so.5
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#40 0x00007ffff539e618 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
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#41 0x00007ffff53a04da in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
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#42 0x00007ffff53f3af3 in ?? () from ~/apps/squashfs-root/usr/lib/libQt5Core.so.5
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#43 0x00007ffff4bf617d in ?? ()
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#44 0xffffffffffffd5c0 in ?? ()
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#45 0x0000000000000000 in ?? ()
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(gdb)

@PhysSong
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PhysSong commented Sep 3, 2021

It looks like a BB clip was removed while TrackContainer::automatedValuesFromTracks function is being executed sodynamic_cast was applied to freed memory address. It looks like proper synchronization between UI thread and rendering thread is missing in removal of BB clips.

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PhysSong commented Oct 2, 2021

I further investigated this issue. TrackContentObjectView::remove calls deleteLater for a TrackContentObject instance. deleteLater can't protect from deletion while the audio rendering thread is trying to access it.

To reproduce, you can try removing all BB clips at once while playing:
bbcrash.mmp.zip

@asmrtfm
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asmrtfm commented Sep 12, 2024

This has burned me so many times, now I instinctively press control+s before every middle-mouse button click even when I'm not in LMMS, lol.
Realistically, I would say 1/10 middle mouse clicks "causes" a crash.

@PhysSong PhysSong added this to the 1.3 milestone Sep 15, 2024
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PhysSong commented Jan 7, 2025

It looks like #6610 have fixed this, but I'm not quite sure.

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@zonkmachine @PhysSong @zeganstyl @Monospace-V @asmrtfm