Rohan Dhruva, thank you for taking the time to report this bug and helping to
make Ubuntu better. Please execute the following command, as it will
automatically gather debugging information, in a terminal:
apport-collect -p xorg 1447919
Please ensure you have the package xdiagnose installed, and that you
click the Yes button for attaching additional debugging information.
** Package changed: xserver-xorg-video-intel (Ubuntu) => xorg (Ubuntu)
** Changed in: xorg (Ubuntu)
Importance: Undecided => Low
** Changed in: xorg (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1447919
Title:
Intel DRM GPU hang in Kubuntu 15.04
Status in xf86-video-intel:
Confirmed
Status in xorg package in Ubuntu:
Incomplete
Bug description:
Intel driver hangs every time KDE uses one of the special system
effects. I can reliably reproduce it by pressing "Alt-Tab", for
example. The only fix is to reboot the computer.
Kernel version:
$ uname -a
Linux darkstar 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
-- Logcat output --
[ 47.675521] [drm] stuck on render ring
[ 47.676178] [drm] GPU HANG: ecode 7:0:0x00000000, in kwin_x11 [1519],
reason: Ring hung, action: reset
[ 47.676180] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 47.676180] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 47.676181] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 47.676182] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 47.676183] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 47.683468] drm/i915: Resetting chip after gpu hang
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2build1
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic x86_64
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CurrentDesktop: KDE
Date: Thu Apr 23 23:40:38 2015
InstallationDate: Installed on 2013-10-13 (557 days ago)
InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Beta amd64 (20130925.1)
SourcePackage: xserver-xorg-video-intel
UpgradeStatus: Upgraded to vivid on 2015-04-24 (0 days ago)
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