Created attachment 121325 [details] /sys/class/drm/card0/error dmesg: [14047.920290] [drm] stuck on render ring [14047.921017] [drm] GPU HANG: ecode 6:0:0x84fefffc, in chromium [5029], reason: Ring hung, action: reset [14047.921018] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [14047.921019] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [14047.921020] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [14047.921021] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [14047.921022] [drm] GPU crash dump saved to /sys/class/drm/card0/error [14047.923116] drm/i915: Resetting chip after gpu hang 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller]) Subsystem: Toshiba America Info Systems 2nd Generation Core Processor Family Integrated Graphics Controller Flags: bus master, fast devsel, latency 0, IRQ 33 Memory at c0000000 (64-bit, non-prefetchable) [size=4M] Memory at b0000000 (64-bit, prefetchable) [size=256M] I/O ports at 2000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915 CPUinfo: model name : Intel(R) Core(TM) i7-2677M CPU @ 1.80GHz Kernel version: 4.4.0-trunk from Debian XOrg info: [ 20.798] (II) intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 20151010 [ 20.798] (II) intel(0): SNA compiled: xserver-xorg-video-intel 2:2.99.917+git20151217-1~exp1 (Timo Aaltonen <tjaalton@debian.org>) [ 20.798] (II) intel(0): SNA compiled for use with valgrind [ 20.800] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD Graphics 3000 [ 20.826] (II) intel(0): SNA initialized with Sandybridge (gen6, gt2) backend [ 20.826] (==) intel(0): Backing store enabled [ 20.826] (==) intel(0): Silken mouse enabled [ 20.827] (II) intel(0): HW Cursor enabled [ 20.827] (II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled message. [ 20.828] (==) intel(0): DPMS enabled [ 20.828] (==) intel(0): Display hotplug detection enabled I've been seeing graphics rendering issues for several weeks now (not so much in Chromium, but very frequently in xfce4-terminal); probably due to driver upgrades. Currently using "2:2.99.917+git20151217-1~exp1" from Debian experimental. I will try downgrading to unstable to see if the issue persists. I've titled this as "probably userspace" because of the experimental userspace driver version.
Created attachment 121429 [details] Example of font corruption Instead of missing text, I now have sometimes garbage fonts. With new driver version: xserver-xorg-video-intel (2:2.99.917+git20160127-1)
Seems the same bug on my laptop after resuming from suspend. OS: Fedora 23 / KDE Description of problem: After resuming from suspend fonts are messed up. This bug started after a recent update (max. 2 weeks ago from now). Version-Release number of selected component (if applicable): xorg-x11-drv-intel-2.99.917-19.20151206.fc23.x86_64 xorg-x11-server-Xorg-1.18.1-3.fc23.x86_64 kernel-4.4.5-300.fc23.x86_64 How reproducible: Suspend computer (by closing a laptop lid) and then resume from suspend. Actual results: Many letters are missing all over the place, most notably in Firefox (see screenshot). Expected results: Font rendering should be the same as before suspend. Hardware: 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 01:00.0 3D controller: NVIDIA Corporation GF117M [GeForce 610M/710M/810M/820M / GT 620M/625M/630M/720M] (rev ff) Laptop: Asus Zenbook UX32VD Attachments: 1. example screenshot 2. journalctl log (grep drm|kernel)
Created attachment 122469 [details] font corruption example
Created attachment 122470 [details] journalctl log (drm/kernel)
Right now, I have not experienced this issue anymore for at least two weeks. I experimented with the modesetting driver, but brightness controls were broken after resume, that is not usable for me. The "intel" driver works better. Kernel: 4.4.0-1-amd64 #1 SMP Debian 4.4.6-1 Driver: intel, 2:2.99.917+git20160307-2 This combination currently works for me. YMMV. I guess the bug was fixed in the meantime.
(In reply to Erich Schubert from comment #5) > Right now, I have not experienced this issue anymore for at least two weeks. > I experimented with the modesetting driver, but brightness controls were > broken after resume, that is not usable for me. The "intel" driver works > better. > > Kernel: 4.4.0-1-amd64 #1 SMP Debian 4.4.6-1 > Driver: intel, 2:2.99.917+git20160307-2 > > This combination currently works for me. YMMV. I guess the bug was fixed in > the meantime. Closing this issue. If you are facing it again, please reopen the bug and attach new logs (kernel & gpu crash dump).
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