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<H1>[Mageia-discuss] MGA2: Gnome session & system freeze issues</H1>
<B>Wolfgang Bornath</B>
<A HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20MGA2%3A%20Gnome%20session%20%26%20system%20freeze%20issues&In-Reply-To=%3CCA%2Bh4nj4ktRTJ5O7N-DsnPAzv10qW5r4xr-9Ls%2BoQMwdeYpJSuA%40mail.gmail.com%3E"
TITLE="[Mageia-discuss] MGA2: Gnome session & system freeze issues">molch.b at googlemail.com
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<I>Fri Jul 6 09:56:43 CEST 2012</I>
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<PRE>MGA2 x86_64, Gnome
Nvidia graphics, latest proprietary driver from the MGA non-free repo
All updates.
1. Gnome starts new session out of the blue
Today I was editing a document in gedit. Other open applications were
chromium-browser and gkrellm. Suddenly out of the blue in the middle
of writing a word the screen changed to a new session, screen with GDM
showing). Logging in again no application was saved, work lost as well
as 2 tabs in the browser where I did not save the URLs yet. syslog
shows a Gnome session I/O failure before the session switch:
- Jul 6 07:28:49 marvin-1 gnome-session[2301]: Gdk-WARNING:
gnome-session: Fatal IO error 11 (ressource temporarily not available)
on X server :0.
After session restart a long list of "DEBUG" messages followed. No
errors reported in that list.
2. Occasional system deep freeze
Starting some time ago and occurring last time yesterday I get a deep
freeze (only SysRq keys for forced reboot working). Inquiring I found
this message in syslog:
- Jul 5 13:27:42 marvin-1 kernel: [10565.322087] NVRM: GPU at
0000:01:00.0 has fallen off the bus.
man-draker in the German forum pointed me to
<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>
which talks about persistence mode of nvidia-smi. The persistence mode
is disabled by default. Switched it to "enabled" but I am not sure if
this is the true culprit - the same error should have come up more
often and on other people's machines as well if this setting was the
culprit, right?
Another idea was offered by doktor5000:
"It could be some malfunction of systemd and you could ask Colin about it". :)
Additional information: the freeze is not caused by faulty memory, I
let memtest run over nicht for 8 hours, no errors.
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