[nouveau] NVC1 (GT 430) black screen after resuming from hibernate

[stargazer]

Hello,

I use Kubuntu 14.04.x together with a nvidia graphics card NVC1 (GF108) GT 430 passive and driver nouveau.

Standby and resume works with the nouveau driver, but hibernate and resume don't.

There is a black screen after resume, then the monitor goes off (no signal) and no keyboard input is possible => Only a hard reset helps.

*** Package versions
Kubuntu 14.04.1 64bit
nouveau version 1.0.11-1-ubuntu2~trusty
Mesa 10.3.2, Xserver 1.16.0 (Utopic (14.10) Xstack)
kernel 3.16.x (also tested kernel 3.18.5 and 3.19)

I have attached the following logs; with kernel parameter nouveau.debug=trace

"standby" = "suspend to ram"
"hibernate" = "suspend to disk"

--- syslog and xorg.log for the working standby
syslog_standby_resume.txt
standby_resume_Xorg.0.log.old_working.txt

--- syslog and xorg.log for the (hibernate) and resume problem
syslog_hibernate_resume_NOT_working.txt
hibernate_resume_Xorg.0.log.old_NOT_working.txt

--- lspci.txt

There is a crash at the xserver;

[ 101.332] nouveau_exa_upload_to_screen:380 - falling back to memcpy ignores tiling
[ 101.348] nouveau_exa_download_from_screen:295 - falling back to memcpy ignores tiling
[ 101.348] (EE)
[ 101.348] (EE) Backtrace:
[ 101.348] (EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x7fbef984ae18]
[ 101.349] (EE) 1: /usr/bin/X (0x7fbef96a6000+0x1a8e59) [0x7fbef984ee59]
[ 101.349] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7fbef7826000+0x36d40) [0x7fbef785cd40]
[ 101.349] (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (0x7fbef7826000+0x98d66) [0x7fbef78bed66]
[ 101.349] (EE) 4: /usr/lib/xorg/modules/libexa.so (0x7fbef334d000+0x5356) [0x7fbef3352356]
[ 101.349] (EE) 5: /usr/lib/xorg/modules/libexa.so (0x7fbef334d000+0x57fb) [0x7fbef33527fb]
[ 101.349] (EE) 6: /usr/lib/xorg/modules/libexa.so (0x7fbef334d000+0x7e22) [0x7fbef3354e22]
[ 101.349] (EE) 7: /usr/lib/xorg/modules/libexa.so (0x7fbef334d000+0x100c2) [0x7fbef335d0c2]
[ 101.349] (EE) 8: /usr/lib/xorg/modules/libexa.so (0x7fbef334d000+0x8499) [0x7fbef3355499]
[ 101.349] (EE) 9: /usr/bin/X (0x7fbef96a6000+0x131af9) [0x7fbef97d7af9]
[ 101.349] (EE) 10: /usr/bin/X (0x7fbef96a6000+0x50281) [0x7fbef96f6281]
[ 101.349] (EE) 11: /usr/bin/X (0x7fbef96a6000+0x5339e) [0x7fbef96f939e]
[ 101.349] (EE) 12: /usr/bin/X (0x7fbef96a6000+0x571ea) [0x7fbef96fd1ea]
[ 101.349] (EE) 13: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7fbef7847ec5]
[ 101.349] (EE) 14: /usr/bin/X (0x7fbef96a6000+0x4276e) [0x7fbef96e876e]
[ 101.349] (EE)
[ 101.349] (EE) Segmentation fault at address 0x0
[ 101.349] (EE)
Fatal server error:
[ 101.349] (EE) Caught signal 11 (Segmentation fault). Server aborting

I have reported this problem at the freedesktop bugtracker.

https://bugs.freedesktop.org/show_bug.cgi?id=88946

Thank you for your help!

Best regards, Bernhard

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-video-nouveau-lts-utopic 1:1.0.11-1ubuntu2~trusty1
ProcVersionSignature: Ubuntu 3.16.0-31.41~14.04.1-generic 3.16.7-ckt5
Uname: Linux 3.16.0-31-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
CurrentDesktop: KDE
Date: Sat Feb 14 18:26:54 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2010-06-02 (1718 days ago)
InstallationMedia: Kubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
SourcePackage: xserver-xorg-video-nouveau-lts-utopic
UpgradeStatus: Upgraded to trusty on 2015-01-18 (27 days ago)

[stargazer (stargazer05)]

The same problem still occurs in kernel 3.19 (vivid-lts) and 4.0rc2.

[stargazer (stargazer05)]

The problem was confirmed by Ilia Mirkin at the xorg bug tracker, and nobody will look into the problem, because "resume issues are notoriously difficult to investigate".

https://bugs.freedesktop.org/show_bug.cgi?id=88946

Please set this bug report to "Won't Fix'.

Best regards, Bernhard