The latest "mesa" updates in Ubuntu fixed all the problems for me. The relevant patch I see is http://permalink.gmane.org/gmane.linux.debian.devel.x/115099, but I am not sure.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1282867 Title: Frequent hang and render glitches in Xorg, caused by SNA Status in The Linux Kernel: Fix Released Status in “linux” package in Ubuntu: Confirmed Status in “mesa” package in Ubuntu: Confirmed Bug description: After the latest kernel upgrade, my system has many graphical glitches, and is locking up frequently. The dmesg output has errors like these: [ 1951.568672] Watchdog[2753]: segfault at 0 ip 00007fe00773a32e sp 00007fdff869f680 error 6 in chrome[7fe003cbe000+5dd9000] [ 1959.241676] [drm] stuck on render ring [ 1959.241685] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 1959.241686] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 1959.241687] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 1959.241688] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 1959.241689] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 1959.244266] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo (0x3dc32000 ctx 17) at 0x3dc32c48 [ 3964.330034] perf samples too long (2503 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 [ 4849.028446] [drm] stuck on render ring [ 4849.028492] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo (0x565c2000 ctx 17) at 0x565c2c48 [ 4861.093551] Watchdog[5226]: segfault at 0 ip 00007fc00d36f32e sp 00007fbffe2d4680 error 6 in chrome[7fc0098f3000+5dd9000] [ 4863.020198] [drm] stuck on render ring [ 4863.020255] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo (0x3dc32000 ctx 17) at 0x3dc32c48 [ 4893.028245] [drm] stuck on render ring [ 4893.028295] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo (0x4cbed000 ctx 10) at 0x4cbedc98 [ 4899.041855] [drm] stuck on render ring [ 4899.041900] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo (0xea3d000 ctx 10) at 0xea3dc98 [ 4899.041903] [drm:i915_context_is_banned] *ERROR* context hanging too fast, declaring banned! [ 5833.173837] warning: `VBoxHeadless' uses 32-bit capabilities (legacy support in use) [ 5833.326542] device vboxnet0 entered promiscuous mode [ 6429.476175] [drm] stuck on render ring [ 6488.455986] [drm] stuck on render ring [ 6547.507818] [drm] stuck on render ring [ 6615.490047] [drm] stuck on render ring I am not sure if the xserver-xorg-video-intel ricver was also updated at the same time. This is the version in use: rdhruva@ubuntu:~$ apt-cache policy xserver-xorg-video-intel xserver-xorg-video-intel: Installed: 2:2.99.910-0ubuntu1 Candidate: 2:2.99.910-0ubuntu1 Version table: *** 2:2.99.910-0ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-11-generic 3.13.0-11.31 ProcVersionSignature: Ubuntu 3.13.0-11.31-generic 3.13.3 Uname: Linux 3.13.0-11-generic x86_64 ApportVersion: 2.13.2-0ubuntu5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: rdhruva 2154 F.... pulseaudio /dev/snd/pcmC0D0p: rdhruva 2154 F...m pulseaudio CurrentDesktop: KDE Date: Thu Feb 20 19:29:20 2014 HibernationDevice: RESUME=UUID=33c83ff3-ead7-4122-a1f0-9602e848cb80 InstallationDate: Installed on 2014-01-24 (27 days ago) InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140121.1) MachineType: LENOVO 2356EF2 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-11-generic root=UUID=9a425350-3b9f-45f7-9587-97f5e539c7e6 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-11-generic N/A linux-backports-modules-3.13.0-11-generic N/A linux-firmware 1.125 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/16/2013 dmi.bios.vendor: LENOVO dmi.bios.version: G7ET98WW (2.58 ) dmi.board.asset.tag: Not Available dmi.board.name: 2356EF2 dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: 2045260 dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrG7ET98WW(2.58):bd12/16/2013:svnLENOVO:pn2356EF2:pvrThinkPadT430s:rvnLENOVO:rn2356EF2:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2356EF2 dmi.product.version: ThinkPad T430s dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1282867/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
