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<H1>[Mageia-discuss] MGA2: Gnome session & system freeze issues</H1>
<B>Alejandro López</B>
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TITLE="[Mageia-discuss] MGA2: Gnome session & system freeze issues">listas.apl at gmail.com
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<I>Fri Jul 6 12:55:44 CEST 2012</I>
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<PRE>On Fri, Jul 6, 2012 at 9:56 AM, Wolfgang Bornath <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-discuss">molch.b at googlemail.com</A>>wrote:
><i> MGA2 x86_64, Gnome
</I>><i> Nvidia graphics, latest proprietary driver from the MGA non-free repo
</I>><i> All updates.
</I>><i>
</I>><i> 1. Gnome starts new session out of the blue
</I>><i>
</I>><i> Today I was editing a document in gedit. Other open applications were
</I>><i> chromium-browser and gkrellm. Suddenly out of the blue in the middle
</I>><i> of writing a word the screen changed to a new session, screen with GDM
</I>><i> showing). Logging in again no application was saved, work lost as well
</I>><i> as 2 tabs in the browser where I did not save the URLs yet. syslog
</I>><i> shows a Gnome session I/O failure before the session switch:
</I>><i>
</I>><i> - Jul 6 07:28:49 marvin-1 gnome-session[2301]: Gdk-WARNING:
</I>><i> gnome-session: Fatal IO error 11 (ressource temporarily not available)
</I>><i> on X server :0.
</I>><i>
</I>><i> After session restart a long list of "DEBUG" messages followed. No
</I>><i> errors reported in that list.
</I>><i>
</I>
For this part of your problem, I guess you are hitting this bug:
<A HREF="https://bugs.mageia.org/show_bug.cgi?id=2585">https://bugs.mageia.org/show_bug.cgi?id=2585</A>
Alejandro.
><i>
</I>><i> 2. Occasional system deep freeze
</I>><i>
</I>><i> Starting some time ago and occurring last time yesterday I get a deep
</I>><i> freeze (only SysRq keys for forced reboot working). Inquiring I found
</I>><i> this message in syslog:
</I>><i>
</I>><i> - Jul 5 13:27:42 marvin-1 kernel: [10565.322087] NVRM: GPU at
</I>><i> 0000:01:00.0 has fallen off the bus.
</I>><i>
</I>><i> man-draker in the German forum pointed me to
</I>><i>
</I>><i> <A HREF="http://www.cyberciti.biz/faq/debian-ubuntu-rhel-fedora-linux-nvidia-nvrm-gpu-fallen-off-bus/">http://www.cyberciti.biz/faq/debian-ubuntu-rhel-fedora-linux-nvidia-nvrm-gpu-fallen-off-bus/</A>
</I>><i> which talks about persistence mode of nvidia-smi. The persistence mode
</I>><i> is disabled by default. Switched it to "enabled" but I am not sure if
</I>><i> this is the true culprit - the same error should have come up more
</I>><i> often and on other people's machines as well if this setting was the
</I>><i> culprit, right?
</I>><i>
</I>><i> Another idea was offered by doktor5000:
</I>><i> "It could be some malfunction of systemd and you could ask Colin about
</I>><i> it". :)
</I>><i>
</I>><i> Additional information: the freeze is not caused by faulty memory, I
</I>><i> let memtest run over nicht for 8 hours, no errors.
</I>><i>
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