And there's a small Y-tiled buffer just before the batch that is being written to.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1447919 Title: Intel DRM GPU hang in Kubuntu 15.04 Status in X.org xf86-video-intel: Confirmed Status in xserver-xorg-video-intel package in Ubuntu: New 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) To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1447919/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
