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[BUG] Raspberry Pi CPU name is incorrect #1528

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CTRL-panino opened this issue Jan 26, 2025 · 23 comments
Closed
1 task done

[BUG] Raspberry Pi CPU name is incorrect #1528

CTRL-panino opened this issue Jan 26, 2025 · 23 comments
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bug Something isn't working

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@CTRL-panino
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CTRL-panino commented Jan 26, 2025 •
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Read the FAQ first

  • I have checked the FAQ but the issue is not covered

Description

After the 2.35.0 update, the CPU name of my Raspberry Pi (model 4) is incorrect.
It shows "BCM2835" when it should display "BCM2711".
Source: https://www.raspberrypi.com/documentation/computers/processors.html
Also, in 2.35.0 it shows "ARM" while in the other versions it displayed "Broadcom" but I don't know if this is correct or not.
I'm using the latest DietPi version.
Thanks for your help

Version used

2.35.0

Bug prevalence

Always

Regression

Yes

Installation

GitHub Releases

Package manager

No response

Screenshots

No response

Configuration

       {
          "type": "cpu",
          "key": "├ CPU   ",
          "keyColor": "yellow",
          "format": "{2} {1} - {5} core @ {7} - {8}",
          "temp": true
       },

System information

{
    "type": "CPU",
    "result": {
      "cpu": "BCM2835",
      "vendor": "ARM",
      "packages": null,
      "cores": {
        "physical": 4,
        "logical": 4,
        "online": 4
      },
      "frequency": {
        "base": 0,
        "max": 1500
      },
      "coreTypes": [
        {
          "count": 4,
          "freq": 1500
        }
      ],
      "temperature": 31.641
    },
    "stat": 0.8846118450164795
  },

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drm_amdgpu
gio
dconf
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imagemagick6
zlib
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@CTRL-panino CTRL-panino added the bug Something isn't working label Jan 26, 2025
@CarterLi
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Hello. Can you upload the files /proc/cpuinfo and /proc/device-tree/compatible for debugging? You may need to rename it to .txt

@CTRL-panino
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cpuinfo and device-tree.zip

@CarterLi
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cpuinfo and device-tree.zip

cpuinfo is empty

@CTRL-panino
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CTRL-panino commented Jan 26, 2025 •
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Hi @CarterLi
I’m sorry that the file is empty, I copied it using SSH on my computer, so I don’t know what it went wrong.
Any suggestions about why it’s empty and how to solve this problem?
Or maybe is /proc/device-tree/compatible enough for debugging?

@CarterLi
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Try copying /proc/cpuinfo somewhere else first.

@CTRL-panino
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CTRL-panino commented Jan 26, 2025 •
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Ok, done it :)

processor : 0
BogoMIPS : 108.00
Features : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 3

processor : 1
BogoMIPS : 108.00
Features : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 3

processor : 2
BogoMIPS : 108.00
Features : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 3

processor : 3
BogoMIPS : 108.00
Features : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 3

Hardware : BCM2835
Revision : c03112
Serial : ###
Model : Raspberry Pi 4 Model B Rev 1.2

@CarterLi
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Do you know why it reports BCM2835?

@CTRL-panino
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@CarterLi no, I don't know why.
"BCM2835" is the name of the Raspberry Pi 1 and Raspberry Pi Zero CPU, not the Pi 4.
Also, as far as I noticed, until the previous Fastfetch version, Fastfetch was correctly displaying "Broadcom BCM2711"

@CarterLi
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As requested in #1510, we now prefer the CPU name reported in cpuinfo

@CTRL-panino
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CTRL-panino commented Jan 26, 2025 •
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Ok, thank you for the clarification.
But, since “BCM2835” is not correct, how would it be possible to solve the problem?

@Guiorgy
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Guiorgy commented Jan 27, 2025

If only there was a standard way to get this info on the system smh

@CarterLi
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Did a fix. Can you test the dev build?

@CTRL-panino
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Hi @CarterLi
Yes, it works! Now it displays "Broadcom BCM2711" as it did before.
Thank you for your great work, as always :)

@XhmikosR
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XhmikosR commented Jan 27, 2025 •
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On Raspberry Pi 4 I get BCM2711 (and GPU too) with v2.35.0.

pi@rpi4:~ $  fastfetch
        _,met$$$$$gg.          pi@rpi4
     ,g$$$$$$$$$$$$$$$P.       -------
   ,g$$P""       """Y$$.".     OS: Debian GNU/Linux 12 (bookworm) aarch64
  ,$$P'              `$$$.     Host: Raspberry Pi 4 Model B Rev 1.1
',$$P       ,ggs.     `$$b:    Kernel: Linux 6.6.62+rpt-rpi-v8
`d$$'     ,$P"'   .    $$$     Uptime: 19 hours, 8 mins
 $$P      d$'     ,    $$P     Packages: 647 (dpkg)
 $$:      $$.   -    ,d$$'     Shell: bash 5.2.15
 $$;      Y$b._   _,d$P'       Terminal: /dev/pts/0
 Y$$.    `.`"Y$$$$P"'          CPU: BCM2711 (4) @ 1.50 GHz
 `$$b      "-.__               GPU: Broadcom bcm2711-vc5 [Integrated]
  `Y$$b                        Memory: 251.54 MiB / 3.70 GiB (7%)
   `Y$$.                       Swap: 0 B / 2.50 GiB (0%)
     `$$b.                     Disk (/): 2.85 GiB / 58.01 GiB (5%) - ext4
       `Y$$b.                  Disk (/var/log): 66.49 MiB / 223.73 MiB (30%) - ext4
         `"Y$b._               Local IP (eth0): 192.168.178.28/24
             `""""             Locale: en_US.UTF-8

pi@rpi4:~ $  cat /proc/cpuinfo
processor       : 0
BogoMIPS        : 108.00
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd08
CPU revision    : 3

processor       : 1
BogoMIPS        : 108.00
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd08
CPU revision    : 3

processor       : 2
BogoMIPS        : 108.00
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd08
CPU revision    : 3

processor       : 3
BogoMIPS        : 108.00
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd08
CPU revision    : 3

Revision        : c03111
Serial          : XXX
Model           : Raspberry Pi 4 Model B Rev 1.1

I also have a Raspberry Pi Zero 2 W which is reported correctly as BCM2837 and its GPU as Broadcom bcm2835-vc4.

pi@rpi0-2w:~ $  fastfetch
        _,met$$$$$gg.          pi@rpi0-2w
     ,g$$$$$$$$$$$$$$$P.       ----------
   ,g$$P""       """Y$$.".     OS: Debian GNU/Linux 12 (bookworm) aarch64
  ,$$P'              `$$$.     Host: Raspberry Pi Zero 2 W Rev 1.0
',$$P       ,ggs.     `$$b:    Kernel: Linux 6.6.62+rpt-rpi-v8
`d$$'     ,$P"'   .    $$$     Uptime: 1 hour, 29 mins
 $$P      d$'     ,    $$P     Packages: 639 (dpkg)
 $$:      $$.   -    ,d$$'     Shell: bash 5.2.15
 $$;      Y$b._   _,d$P'       Terminal: /dev/pts/0
 Y$$.    `.`"Y$$$$P"'          CPU: BCM2837 (4) @ 1.00 GHz
 `$$b      "-.__               GPU: Broadcom bcm2835-vc4 [Integrated]
  `Y$$b                        Memory: 159.71 MiB / 416.93 MiB (38%)
   `Y$$.                       Swap: 31.00 MiB / 767.99 MiB (4%)
     `$$b.                     Disk (/): 2.72 GiB / 28.53 GiB (10%) - ext4
       `Y$$b.                  Disk (/var/log): 18.72 MiB / 223.73 MiB (8%) - ext4
         `"Y$b._               Local IP (eth0): 192.168.178.30/24
             `""""             Locale: en_US.UTF-8

pi@rpi0-2w:~ $  cat /proc/cpuinfo
processor       : 0
BogoMIPS        : 38.40
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

processor       : 1
BogoMIPS        : 38.40
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

processor       : 2
BogoMIPS        : 38.40
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

processor       : 3
BogoMIPS        : 38.40
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

Revision        : 902120
Serial          : XXX
Model           : Raspberry Pi Zero 2 W Rev 1.0

Using the dev build I still get BCM2711 on Raspberry Pi 4, so not sure but I couldn't reproduce the issue here.

@CTRL-panino
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Hi @XhmikosR ,
I am using DietPi, are you using it as well?
Perhaps I am encountering the bug because of that

@XhmikosR
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No, I'm using Raspberry Pi OS 64-bit on both and I don't hit the issue, so the OS must affect something in your case.

@CTRL-panino
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Also, as far as I noticed, the CPU name is displayed in your Fastfetch output but not in your /proc/cpuinfo output.
While in my /proc/cpuinfo output there's the (wrong) CPU name

@XhmikosR
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XhmikosR commented Jan 27, 2025 via email

@CTRL-panino
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And, as you were pointing out, your GPU is displayed, too! While on my system it's not displayed.
Weird, it probably has something to do with DietPi

@XhmikosR
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XhmikosR commented Jan 27, 2025 via email

@CTRL-panino
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CTRL-panino commented Jan 27, 2025 •
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Yes, you're probably right about drivers.
Since I didn't install any DE, maybe DietPi disables / doesn't load GPU drivers.
But I'm not sure about it, it's just an assumption.

Anyway, in general I agree with you about sticking with official OSes.
But I prefer using DietPi because:

  • apparently it preserves the SD card a little bit more logging on RAM
  • I like their scripts for making life easier for users like me that don't use any DE
  • At the end of the day DietPi is Debian, so nothing too different from Raspberry Pi OS

@XhmikosR
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XhmikosR commented Jan 27, 2025 via email

@CTRL-panino
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I didn't know about Log2ram and zram-generator, thank you for the suggestion :) I'll give it a look

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@XhmikosR @CarterLi @Guiorgy @CTRL-panino