[Spice-devel] kde/spice crashes when firefox is started

[Alon Levy]

> Hello,
> 
> I'm using qemu not xspice.
> 
> I've been digging around a bit more and found out that not only
> kdm/kde/spicy crashes, but the kernel freezes up completely for a
> while.
> I've attached the message log from the canary thread that was
> generated during this. (messages)
> Also I attached the Xorg.0.log before the crash. (Xorg.0.log.before_crash)
> The Xorg.0.log before after the crash.
> 
> And now the more interesting bit:
> After the crash of kdm/kde/spice I am dumped on the console.
> So I tried restarting, after which I can log in again to the desktop via
> spice.
> And to my surprise I can now launch firefox without a crash, but it is
> very slow, and the xorg.0.log is swamped with 'out of surfaces'
> errors.
> Everything else from kde however is very fast and responsive, looking
> through the start menu, starting apps.
> All apps that are native to kde are very fast and responsive, libre
> office is also responsive.
> It seems that apps from the gnome desktop are all very slow or at
> least sluggish now. (I tried only a few, pidgin firefox gimp)
> 
> I had a look at gdb, and saw that it's a bit over my head.
> Could you explain how to use gdb in combination with the X process ?

First, all I can see from the logs is the "Out of surfaces" message (the "Bad bpp: 1" messages are harmless, just annoying),
so you can try to disable off screen surfaces first and see how it affects this. In your X config file, in the driver section, add:
Option "EnableSurfaces" "0"

> 
> One last note,
> Since I'm having troubles with qxl for some time now I've been trying
> the latest git version of xf86-video-qxl
> I applied all patches but the last 5 kms patches since those refuse to
> compile for me.
> And one additional patch from myself because rpmlint refuses to build
> unless that one is applied (9000-fix-strncat-bufferoverflow.patch)
> 
> Cheers
> Rob
> 
> 2013/5/29 Alon Levy <alevy at redhat.com>:
> >> Hello all,
> >
> > Hi Rob,
> >
> >>
> >> I'm using spice with kde on opensuse.
> >> When using spice via a ssh encrypted connection, all works fine and is
> >> very fast untill I start firefox.
> >> The connection freezes for a while and when I'm able to connect I see
> >> the console.
> >>
> >> The Xorg.0.log gives a huge amount off these errors :
> >> qxl_surface_create: Bad bpp: 1 (1)
> >> and kdm crashes, and restarts.
> >>
> >> kdm[1782]: X server for display :0 terminated unexpectedly
> >>
> >> The connection freezes. After a while when I'm able to connect again I
> >> see the console.
> >>
> >> Is there any way to get a more concrete error message so I can
> >> actually start debugging this?
> >
> >  What is your setup - are you using qemu or Xspice? since you are getting a
> >  crash, if it is only in the guest, then you could attach gdb to the X
> >  process and look at the stack trace once it crashes.
> >
> >>
> >> Cheers
> >> Rob
> >> _______________________________________________
> >> Spice-devel mailing list
> >> Spice-devel at lists.freedesktop.org
> >> http://lists.freedesktop.org/mailman/listinfo/spice-devel
> >>
>