[Spice-devel] crashes / Assertion `uxa_pixmap_is_offscreen(src_pixmap)' failed

[Daniel Pocock]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256



On 02/05/17 12:43, Christophe Fergeau wrote:
> On Tue, May 02, 2017 at 11:39:08AM +0200, Daniel Pocock wrote:
>> 
>> 
>> Hi,
>> 
>> I've observed that the Xorg process in my virtual server
>> sometimes crashes when I launch Firefox.  Xorg.0.log had an error
>> about "Out of video memory: Could not allocate 7274816 bytes", so
>> I increased video RAM from 64MB to 256MB.  On the last crash the
>> error about memory was not there, but I found this at the end of
>> Xorg.0.log:
>> 
>> [170197.066] qxl_surface_create: Bad bpp: 1 (1) [170197.076]
>> qxl_surface_create: Bad bpp: 1 (1) [170228.641]
>> qxl_surface_create: Bad bpp: 1 (1) [170281.094]
>> qxl_surface_create: Bad bpp: 1 (1) [170281.641]
>> qxl_surface_create: Bad bpp: 1 (1)
> 
> These ones keep happening I think, and are harmless
> 
>> 
>> and in journalctl I found:
>> 
>> gdm-Xorg-:0[1538]: qxl_surface_create: Bad bpp: 1 (1) 
>> iceweasel.desktop[4967]: Gtk-Message: Failed to load module 
>> "canberra-gtk-module" gdm-Xorg-:0[1538]: qxl_surface_create: Bad
>> bpp: 1 (1) gdm-Xorg-:0[1538]: qxl_surface_create: Bad bpp: 1 (1) 
>> gdm-Xorg-:0[1538]: Xorg: ../../../src/uxa/uxa-glyphs.c:991: 
>> uxa_glyphs_via_mask: Assertion
>> `uxa_pixmap_is_offscreen(src_pixmap)' failed.
>> 
>> at the moment of the crash.  I opened a Debian bug[1] with that
>> error.
> 
> Would you have a core file when that happens?
> 

Not yet, but I'd be happy to try and get one.  Would you be able to
suggest how I tweak my system to generate core files for the Xorg
process?  Should I just replace the Xorg binary with a wrapper script
or is there a more official way to do it by modifying
/lib/systemd/system/gdm3.service or something else?

Regards,

Daniel
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=cSNs
-----END PGP SIGNATURE-----