Public bug reported: the system is a thinkpad x220t. I don't shut it down, just suspend/resume. past 3 days uptime and 21 suspends I got slow graphics and X at 80% cpu, with those lines in /var/log/Xorg.0.log: [115619.748] (EE) intel(0): [DRI2] DRI2SwapComplete: bad drawable [115619.796] (EE) intel(0): [DRI2] DRI2SwapComplete: bad drawable [115755.059] (EE) intel(0): [DRI2] DRI2SwapComplete: bad drawable [115755.059] (EE) intel(0): [DRI2] DRI2SwapComplete: bad drawable [119211.856] (EE) intel(0): Failed to submit rendering commands (Input/output error), disabling acceleration. [119211.857] (EE) intel(0): When reporting this, please include /sys/class/drm/card0/error and the full dmesg.
around the same time in dmesg: [119206.581790] [drm] stuck on render ring [119206.582299] [drm] GPU HANG: ecode 6:0:0xf288fffc, in Xorg [793], reason: Ring hung, action: reset [119206.584402] drm/i915: Resetting chip after gpu hang [119212.581861] [drm] stuck on render ring [119212.582383] [drm] GPU HANG: ecode 6:0:0xf288fff8, in Xorg [793], reason: Ring hung, action: reset [119212.582478] [drm:i915_set_reset_status [i915]] *ERROR* gpu hanging too fast, banning! [119212.584508] drm/i915: Resetting chip after gpu hang # lsb_release -rd Description: Ubuntu 16.04.2 LTS Release: 16.04 # apt-cache policy xserver-xorg-video-intel xserver-xorg-video-intel: Installed: 2:2.99.917+git20160325-1ubuntu1.2 Candidate: 2:2.99.917+git20160325-1ubuntu1.2 Version table: *** 2:2.99.917+git20160325-1ubuntu1.2 500 500 http://ua.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 100 /var/lib/dpkg/status 2:2.99.917+git20160325-1ubuntu1 500 500 http://ua.archive.ubuntu.com/ubuntu xenial/main amd64 Packages ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.2 ProcVersionSignature: Ubuntu 4.4.0-71.92-generic 4.4.49 Uname: Linux 4.4.0-71-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 Date: Thu Apr 13 10:39:33 2017 ProcEnviron: LANGUAGE=en_US:en TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: xserver-xorg-video-intel UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: xserver-xorg-video-intel (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug xenial ** Attachment added: "dmesg, followed by cat /sys/class/drm/card0/error" https://bugs.launchpad.net/bugs/1682364/+attachment/4861091/+files/video-errors+dmesg.txt -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1682364 Title: hardware acceleration fails after numerous suspends To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1682364/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp