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[Bug 1396840] Re: Module nouveau systematically crashes after a few minutes, whereas module nvidia from nvidia-331-updates crashes only after several hours of work


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
acceleration, and Cinnamon works in software rendering mode.

-  After having replaced 'quiet splash' by 'nomodeset' in the 'regular
boot' menu entry of 'grub.cfg' and rebooted, the behavior is exactly the
same as in 'recovery mode'.

I see that you have added a tag requesting a crash log.
I am willing to provide it.
Can you explain where I can find a crash log, or how I can trigger its generation ?

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  Module nouveau systematically crashes after a few minutes, whereas
  module nvidia from nvidia-331-updates crashes only after several hours
  of work

Status in linux package in Ubuntu:

Bug description:
  Module 'nouveau' systematically crashes after a few minutes, whereas
  module 'nvidia' from 'nvidia-331-updates' crashes only after several
  hours of work.

  $ uname -r

  $ dpkg-query -W 'linux-*image-*3.16.0-25*'
  linux-image-3.16.0-25-generic	3.16.0-25.33
  linux-image-extra-3.16.0-25-generic	3.16.0-25.33
  linux-signed-image-3.16.0-25-generic	3.16.0-25.33

  $ lsmod | head -1 ;  lsmod | grep '^nouveau'  
  Module                  Size  Used by
  nouveau              1234845  3 

  $ sudo lspci -nn -vv -s 03:00.0
  03:00.0 VGA compatible controller [0300]: NVIDIA Corporation C79 [GeForce 9400] [10de:0867] (rev b1) (prog-if 00 [VGA controller])
  	Subsystem: Apple Inc. iMac 9,1 [106b:00ad]
  	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
  	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
  	Latency: 0, Cache Line Size: 256 bytes
  	Interrupt: pin A routed to IRQ 45
  	Region 0: Memory at d2000000 (32-bit, non-prefetchable) [size=16M]
  	Region 1: Memory at c0000000 (64-bit, prefetchable) [size=256M]
  	Region 3: Memory at d0000000 (64-bit, prefetchable) [size=32M]
  	Region 5: I/O ports at 1000 [size=128]
  	Expansion ROM at d3000000 [disabled] [size=128K]
  	Capabilities: [60] Power Management version 2
  		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
  		Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
  	Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
  		Address: 00000000fee0300c  Data: 4152
  	Kernel driver in use: nouveau

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-extra-3.16.0-25-generic 3.16.0-25.33
  ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
  Uname: Linux 3.16.0-25-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
   /dev/snd/controlC0:  urbah      3073 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Thu Nov 27 02:05:32 2014
  HibernationDevice: RESUME=UUID=d78e46a2-825e-4ad0-8f14-c7d2935c33c7
  InstallationDate: Installed on 2014-11-03 (23 days ago)
  InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Apple Inc. iMac9,1
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic.efi.signed root=UUID=b587542c-4076-491a-ae4d-21942b20daf6 ro quiet splash vt.handoff=7
   linux-restricted-modules-3.16.0-25-generic N/A
   linux-backports-modules-3.16.0-25-generic  N/A
   linux-firmware                             1.138
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/27/09
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: IM91.88Z.008D.B08.0904271717
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Mac-F2218FC8
  dmi.board.vendor: Apple Inc.
  dmi.chassis.asset.tag: Asset Tag#
  dmi.chassis.type: 13
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F2218FC8
  dmi.modalias: dmi:bvnAppleInc.:bvrIM91.88Z.008D.B08.0904271717:bd04/27/09:svnAppleInc.:pniMac9,1:pvr1.0:rvnAppleInc.:rnMac-F2218FC8:rvr:cvnAppleInc.:ct13:cvrMac-F2218FC8:
  dmi.product.name: iMac9,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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