** Attachment added: Xorg.0.log for X-freeze on graphical login with
linux-3.18.0-rc7
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1396840/+attachment/4275901/+files/Xorg.linux-3.18.0-rc7.X-freeze.log
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Thank to remote debugging through SSH, this attached 'kern.log'
hopefully contains useful information for 2 separate X freezes on
graphical login with module 'nouveau' from linux-3.18.0-rc7 :
- From line 2415 beginning with 'Dec 7 16:23:24'
to line 12681 beginning with 'Dec 7 16:35:06'.
-
Etienne URBAH, the issue you are reporting is an upstream one. Could you
please report this problem through the appropriate channel by following
the instructions _verbatim_ at http://nouveau.freedesktop.org/wiki/Bugs/
?
Please provide a direct URL to your bug report once you have made it so
that
Etienne URBAH, one may gather a system crash via
https://help.ubuntu.com/community/DebuggingSystemCrash . It needs to
contain the verbage call trace (for kernel crash) or backtrace (for
xorg crash).
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** Tags added: kernel-bug-exists-upstream-3.18-rc7
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https://bugs.launchpad.net/bugs/1396840
Title:
Module nouveau systematically crashes after a few minutes, whereas
module nvidia
I just installed 'linux 3.18.0 rc7' :
- After regular boot, graphical login systematically fails.
- After a boot in 'recovery mode' (which includes the 'nomodeset'
parameter), graphical login systematically succeeds, but Cinnamon
complains that the graphical driver lacks support for hardware
Lot of thanks to Christopher M. Penalver (penalvch) for his explanations
and his patience with me.
After uninstallation of the 'nvidia-331-updates' package, the
installation of linux-
image-3.18.0-031800rc6-generic_3.18.0-031800rc6.201411231935_amd64.deb
succeeded (except for the 'wl' driver,
Etienne URBAH, does the kernel boot parameter nomodeset provide a
WORKAROUND to this issue using nouveau (not nvidia)?
** Tags added: needs-crash-log
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This bug is about the 'nouveau' module, which is usually contained in the
linux-image-EXTRA-.. package.
Following https://wiki.ubuntu.com/KernelMainlineBuilds :
I went to the http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.18-rc6-vivid/
folder, which contains the 3 following DEB files :
Etienne URBAH, as is verified by actually opening up the mainline kernel
files with Archive Manager (ex.
/lib/modules/3.18.0-031800rc6-generic/kernel/drivers/gpu/drm/nouveau/ )
testing to nouveau does not require the extra file. The extra file is
for modules built outside the mainline kernel
Etienne URBAH, thank you for reporting this and helping make Ubuntu
better. Could you please test the latest upstream kernel available from
the very top line at the top of the page (the release names are
irrelevant for testing, and please do not test the daily folder)
following
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