Public bug reported:
After waking up from suspend, there are rectangular areas within some program's
windows that appears to show data from some random location in video memory.
Forcing a refresh (by temporarily covering the buggy regions with another
window) does not help. When new data is drawn in the window, it may also be
drawn incorrectly. The affected programs/windows may be the web browser, the
unity panel or whatever was running at the time.
After reboot or logout/login to X, graphics works fine again.
I did not notice the problem in ubuntu versions prior to 12.04.
This is using the latest (295.40) version of the nvidia driver. (using
noveau, the screen remains black and empty after resume)
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-24-generic-pae 3.2.0-24.37
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14
Uname: Linux 3.2.0-24-generic-pae i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: kok 1965 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfebf8000 irq 42'
Mixer name : 'Realtek ALC880'
Components : 'HDA:163c3155,163c3055,00100700
HDA:10ec0880,08800000,00100800'
Controls : 24
Simple ctrls : 15
Date: Thu May 3 18:26:18 2012
HibernationDevice: RESUME=UUID=75059303-9125-4d0c-a3c5-14ee8b2808e1
IwConfig: Error: [Errno 2] No such file or directory
MachineType: FUJITSU SIEMENS Amilo M3438 Series
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic-pae
root=UUID=04c464ba-6070-44c4-b05d-86afa3c0a195 ro splash quiet vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-24-generic-pae N/A
linux-backports-modules-3.2.0-24-generic-pae N/A
linux-firmware 1.79
RfKill: Error: [Errno 2] No such file or directory
SourcePackage: linux
UdevDb: Error: [Errno 2] No such file or directory
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog: May 3 17:40:04 amilo wpa_supplicant[708]: WPA: Group rekeying
completed with 98:fc:11:79:13:98 [GTK=CCMP]
dmi.bios.date: 10/05/2005
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.10C
dmi.board.name: P71EN0
dmi.chassis.asset.tag: AMILO M1437 Series
dmi.chassis.type: 10
dmi.chassis.vendor: FUJITSU SIEMENS
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1.10C:bd10/05/2005:svnFUJITSUSIEMENS:pnAmiloM3438Series:pvr:rvn:rnP71EN0:rvr:cvnFUJITSUSIEMENS:ct10:cvr:
dmi.product.name: Amilo M3438 Series
dmi.sys.vendor: FUJITSU SIEMENS
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise
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https://bugs.launchpad.net/bugs/994087
Title:
garbled graphics after suspend
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