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[SOLVED]Gnome 3 Applications menu crash
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Katherine1
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PostPosted: Sat Apr 09, 2011 3:26 pm    Post subject: [SOLVED]Gnome 3 Applications menu crash Reply with quote

As of sometime yesterday, Gnome-Shell began to crash whenever I tried to enter the applications menu or search for an application. This has limited me to my side bar and Alt-F2 for running programs. Intercepting Gnome-Shell's stderr, I got this snippet during a crash:

I am using Xorg-server 1.10 and the open source ATI drivers. Does anyone know what this could be?

Code:

(gnome-shell:4288): Cogl-glx-CRITICAL **: _cogl_push_framebuffers: assertion `_cogl_is_framebuffer (draw_buffer)' failed
**
Cogl-glx:ERROR:./cogl-framebuffer.c:1221:cogl_pop_framebuffer: assertion failed: (ctx->framebuffer_stack->next != NULL)
** Message: applet now removed from the notification area
gnome-shell-calendar-server[4296]: Got HUP on stdin - exiting
gnome-session[2873]: WARNING: Application 'gnome-shell.desktop' killed by signal
IRQ's not enabled, falling back to busy waits: 2 0
      JS LOG: GNOME Shell started at Sat Apr 09 2011 10:41:04 GMT-0500 (CDT)
** Message: applet now embedded in the notification area
Window manager warning: Log level 16: NOTE: Not using GLX TFP!


EDIT: trimmed output to only error thrown at the crash


Last edited by Katherine1 on Sun Apr 10, 2011 3:42 am; edited 1 time in total
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Katherine1
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PostPosted: Sat Apr 09, 2011 10:33 pm    Post subject: Reply with quote

With some experimentation, it seems to be a video driver issue. I switched back to the proprietary drivers, and the application menu worked, though the bugs that came with the proprietary drivers also returned. Attempting to go back to the open source drivers, I seem to have more issues now. While glxinfo reports that direct rendering is enabled, programs that require 3D, such as Gnome and Minecraft, do not run. Given that everything is fine in Windows, I don't think this is a hardware issue.
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Naib
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PostPosted: Sat Apr 09, 2011 10:45 pm    Post subject: Reply with quote

it might be a missing ogl extension that gnome requires and the FOSS drivers do not yet support
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Katherine1
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PostPosted: Sat Apr 09, 2011 11:15 pm    Post subject: Reply with quote

The open source drivers were working well for a good half a day yesterday, and right now they aren't even working well enough to play Minecraft in Fluxbox. Something broke, and I can't figure out how to fix it.

EDIT: Found the issue. It was how the open source driver was set up. Changed some kernel settings related to graphics and now everything works perfectly.
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fiolj
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PostPosted: Mon Apr 11, 2011 2:36 am    Post subject: same problem Reply with quote

Hi, may I ask what settings did you change. I am having similar problems
Regards, Juan
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Katherine1
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PostPosted: Mon Apr 11, 2011 3:25 am    Post subject: Reply with quote

Well, first of all you need to use the open source drivers. The proprietary drivers have issues that require fixing by the devs of either the drivers or Gnome 3.

To get the drivers set up, you want to use Kernel Mode Setting (KMS)
The Xorg configuration guide, x, details how to set the kernel up properly for KMS.

From there, getting the drivers set up properly is a matter of following the ati and hardware acceleration guides.
http://www.gentoo.org/doc/en/ati-faq.xml
http://www.gentoo.org/doc/en/dri-howto.xml

Note: The hardware acceleration guide also has some kernel changes, so I'd recommend looking though them and getting all the kernel tweaks done in one go.

Finally, you'll want to add "export CLUTTER_VBLANK=none" to /etc/environment
Without that variable being set, Gnome-shell will run unusably slow.

Getting KMS set up was the big missing piece for me. I had always had the Vesa framebuffer in the kernel, which prevented KMS. This wasn't a problem before as I had been using the proprietary ATI drivers. A side effect of getting KMS working was that the kernel automatically set the boot screen to the screen's native resolution with tux in the upper corner. I like :)
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fiolj
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PostPosted: Sat Apr 16, 2011 1:49 pm    Post subject: Reply with quote

Thanks, I've set up the drivers with KMS, I've still got acceleration but I still am experienced crashes. I went to compatibility mode (gnome-2) and the experience is better.
It may be that the crashes are now unrelated to the xorg driver. Thanks anyway
Juan
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newfuntek
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PostPosted: Sat Aug 27, 2011 6:05 pm    Post subject: Reply with quote

With gnome-shell you need only this unicode date format removal:

https://bugzilla.redhat.com/show_bug.cgi?id=703060
https://bugzilla.mozilla.org/show_bug.cgi?id=508783
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