Cannot Mount Extended Partition

[ghost]

i just created a 300mb disk image with no filesystem , i then created 150m primary and 150mb DOS Partition , primary partition mounts fine , but extended partition doesn't , have same error: "Cannot Create Drive From File"

[maron2000]

I recently learnt that partidx=1 isn't correct, unless you have more than one primary partitions.
You can refer to the following comment for details.
#2572 (comment)