[Ubuntu-x-swat] [Bug 1173074] [NEW] Nouveau freezes after suspend/resume in Ubuntu 13.04 / 3.8.0

2013-04-26 Thread Bert Massop
Public bug reported:

Before updating to Raring yesterday, I first fully disabled the Xorg-
edgers PPA (by ppa-purge) and was therefore switched back to the Nouveau
driver. Then updated my system from Quantal to Raring. Afterwards, I
noticed that after a suspend/resume the greeter would not appear or hang
completely. I was intermittently able to move the cursor, but the GUI
would not respond to hovering or clicking.

I did not experience this bug in Quantal with kernel 3.5, but I rather
quickly switched to the proprietary driver for performance reasons.

I am on a laptop with NVidia GeForce 130M video card on Raring with
kernel 3.8.0, no experimental drivers in use. Attached is also a dmesg
log from a previous time this occurred, with me trying to recover from
the situation by various means - there are a lot of nouveau-related
error messages in it. Ctrl-alt-backspace does nothing, SysRq+K does what
it is supposed to do but to no avail, restarting lightdm obviously does
not help.

To reproduce:
1. Boot
2. Suspend
3. Resume

Observed behaviour:
The greeter does not appear or hangs completely, switching to another VT is 
initially impossible, after a certain period of time nouveau starts spitting 
out error messages to the screen and it is then again possible to switch to 
another VT. Sometimes X randomly restarts and shows the boot-time greeter, 
where I can log in, but after that the system freezes again.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
Date: Fri Apr 26 09:49:56 2013
DistUpgraded: 2013-04-25 18:48:41,818 DEBUG enabling apt cron job
DistroCodename: raring
DistroVariant: ubuntu
DkmsStatus:
 virtualbox, 4.2.10, 3.5.0-28-generic, x86_64: installed
 virtualbox, 4.2.10, 3.8.0-19-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GpuHangFrequency: Several times a week
GpuHangReproducibility: Occurs more often under certain circumstances
GpuHangStarted: I don't know
GraphicsCard:
 NVIDIA Corporation G96M [GeForce GT 130M] [10de:0652] (rev a1) (prog-if 00 
[VGA controller])
   Subsystem: Samsung Electronics Co Ltd Device [144d:c520]
InstallationDate: Installed on 2012-12-20 (126 days ago)
InstallationMedia: Ubuntu 12.10 Quantal Quetzal - Release amd64 (20121017.5)
MachineType: SAMSUNG ELECTRONICS CO., LTD. R710
MarkForUpload: True
PlymouthDebug: Error: [Errno 13] Permission denied: 
'/var/log/plymouth-debug.log'
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=set
 LANG=nl_NL.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-19-generic 
root=/dev/mapper/ubuntu-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: Upgraded to raring on 2013-04-25 (0 days ago)
dmi.bios.date: 12/17/2009
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 11SV.MP00.20091217.WZW
dmi.board.name: R710
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnPhoenixTechnologiesLtd.:bvr11SV.MP00.20091217.WZW:bd12/17/2009:svnSAMSUNGELECTRONICSCO.,LTD.:pnR710:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR710:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
dmi.product.name: R710
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.43-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.1-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.1-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
xserver.bootTime: Fri Apr 26 09:46:29 2013
xserver.configfile: default
xserver.errors:
 Failed to load module nvidia (module does not exist, 0)
 Failed to load module nvidia (module does not exist, 0)
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.3-0ubuntu6
xserver.video_driver: nouveau

** Affects: xorg (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug freeze raring ubuntu

** Attachment added: A dmesg log from a previous time I encountered this 
problem. Note that I tried to respawn by ctrl-alt-back, SysRq+K, and restarting 
lightdm by hand.
   

[Ubuntu-x-swat] [Bug 1173074] Re: Nouveau freezes after suspend/resume in Ubuntu 13.04 / 3.8.0

2013-04-26 Thread Bert Massop
Just accidentally suspended my machine after several hours of uptime -
so here's another dmesg transcript.

It contains some more error messages that I did not see the previous
time. After resume, this time my screen remained black. After about 15
seconds a lot of error messages filled my screen, and then lightdm
seemingly restarted showing me the boot-time greeter. I was then able to
switch back and forth to another VT. After trying to log in through the
greeter, the screen went black again. Pressing SysRq+K after a while
made the empty Unity desktop appear, yet completely frozen with my
keyboard lights indicating a kernel panic.

** Attachment added: Another kernel log transcript, containing some more error 
messages.
   
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1173074/+attachment/3655095/+files/dmesg.3.log

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Title:
  Nouveau freezes after suspend/resume in Ubuntu 13.04 / 3.8.0

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[Ubuntu-x-swat] [Bug 1173074] Re: Nouveau freezes after suspend/resume in Ubuntu 13.04 / 3.8.0

2013-04-26 Thread Bert Massop
And another freeze + corruption, this time just at random during use
(just firefox and gnome-terminal, nothing too special). Once again,
lightdm respawned automatically (with a functional greeter) but the
screen corruption remained, totally freezing after login.

Find attached the relevant excempt from kern.log. Events: at 14603 the
power cord is unplugged (switch to battery power), at 16009 the desktop
freezes (while trying to unhide the Unity main sidebar, which I have
hidden by default), I press ctrl-alt-backspace to try to restart X
(nothing happens), the screen gets corrupted while the greeter appears,
I try to ctrl-alt-backspace another time, then try to login, then the
screen freezes completely. Finally, I do a SysRq+REISUB to recover.

** Attachment added: A small but relevant excempt from kern.log
   
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1173074/+attachment/3655339/+files/kern.excempt.log

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Title:
  Nouveau freezes after suspend/resume in Ubuntu 13.04 / 3.8.0

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[Ubuntu-x-swat] [Bug 1173074] Re: Nouveau freezes after suspend/resume in Ubuntu 13.04 / 3.8.0

2013-04-26 Thread Bert Massop
While we're at it, a (bad, sorry) photograph of the screen corruption.

** Attachment added: Photograph of screen corruption
   
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1173074/+attachment/3655340/+files/2013-04-26%2023.08.19.jpg

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https://bugs.launchpad.net/bugs/1173074

Title:
  Nouveau freezes after suspend/resume in Ubuntu 13.04 / 3.8.0

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