Created attachment 121451 [details] /sys/class/drm/card0/error This is Ubuntu 15.10 with xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu4, kernel 4.2.0-25-generic. The GPU calls itself "Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller". dmesg: [ 103.762219] [drm] stuck on render ring [ 103.764101] [drm] GPU HANG: ecode 7:0:0x87df7c12, in Xorg [1199], reason: Ring hung, action: reset [ 103.764103] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 103.764103] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 103.764104] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 103.764104] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 103.764105] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 103.766155] drm/i915: Resetting chip after gpu hang gdm and xdm can't start X but lightdm can.
Assigning to Mesa product. From this error dump, hung is happening in render ring batch with active head at 0x0380c29c, with 0x78080003 (3DSTATE_VERTEX_BUFFERS) as IPEHR. Batch extract (around 0x0380c29c): 0x0380c27c: 0x7b000005: 3DPRIMITIVE: 0x0380c280: 0x0000000f: rect list sequential 0x0380c284: 0x000069d8: vertex count 0x0380c288: 0x00001626: start vertex 0x0380c28c: 0x00000001: instance count 0x0380c290: 0x00000000: start instance 0x0380c294: 0x00000000: index bias 0x0380c298: 0x78080003: 3DSTATE_VERTEX_BUFFERS 0x0380c29c: 0x00004008: buffer 0: sequential, pitch 8b 0x0380c2a0: 0x0385c000: buffer address 0x0380c2a4: 0xffffffff: max index 0x0380c2a8: 0x00000000: mbz 0x0380c2ac: 0x7b000005: 3DPRIMITIVE: 0x0380c2b0: 0x0000000f: rect list sequential 0x0380c2b4: 0x00000ef7: vertex count 0x0380c2b8: 0x00000000: start vertex 0x0380c2bc: 0x00000001: instance count 0x0380c2c0: 0x00000000: start instance 0x0380c2c4: 0x00000000: index bias Moreover interestingly we have an error also in the dump: ERROR: 0x00000105 TLB page fault error (GTT entry not valid) Invalid page directory entry error Cacheline containing a PD was marked as invalid
Please test a new version of Mesa (12 or 13) and mark as REOPENED if you can reproduce and RESOLVED/* if you cannot reproduce.
Dear Reporter, This Mesa bug has been in the "NEEDINFO" status for over 60 days. I am closing this bug based on lack of response but feel free to reopen if resolution is still needed. Please ensure you're supplying the correct information as requested. Thank you.
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