Yeah it's just a missing/unsupported bit depth in old versions of
mutter:
static int
standard_pict_format_for_depth (int depth)
{
switch (depth)
{
case 1:
return PictStandardA1;
case 24:
return PictStandardRGB24;
case 32:
return PictStandardARGB32;
default:
For any poor saps that encounter this in the future in a similar
situation, replacing the graphics driver with 'virtio' in the KVM/qemu
config fixes this:
Instead of the default 'cirrus' or whatever. Found this in my age-old
notes from the last time I encountered this problem
I get this error which the internet suggests means a problem getting a
core dump. Upping the limits didn't in apport didn't seem to help. I
attached the file in /var/crash
$ ubuntu-bug /var/crash/_usr_bin_gnome-shell.1000.crash
*** Error: Problem in gnome-shell
Sorry, the program "gnome-shell"
It appears the crashing function was removed in mutter 3.34 onward. That
means this is "fixed" for Ubuntu 20.04 and later.
** Changed in: mutter (Ubuntu)
Status: Invalid => Fix Released
** No longer affects: gnome-shell (Ubuntu)
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You received this bug notification because you are a
** Summary changed:
- gnome-shell crashed in standard_pict_format_for_depth()
+ gnome-shell crashed in
mutter:ERROR:x11/iconcache.c:303:standard_pict_format_for_depth: code should
not be reached
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Desktop Bugs, which is
