Created attachment 131354 [details] /sys/class/drm/card0/error I encounter a hang during which X does not respond to key or mouse events and recovery some seconds later. The following messages are from a tail of dmesg. ``` [ 1204.829037] [drm] GPU HANG: ecode 4:0:0x8644f8fe, in chrome [1674], reason: Hang on render ring, action: reset [ 1204.829040] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 1204.829041] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 1204.829042] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 1204.829043] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 1204.829044] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 1205.136582] drm/i915: Resetting chip after gpu hang [ 1215.140428] drm/i915: Resetting chip after gpu hang [ 1413.363513] perf: interrupt took too long (4910 > 4908), lowering kernel.perf_event_max_sample_rate to 40500 [ 1425.134080] drm/i915: Resetting chip after gpu hang [ 1437.128358] drm/i915: Resetting chip after gpu hang [ 1449.123365] drm/i915: Resetting chip after gpu hang [ 1459.143450] drm/i915: Resetting chip after gpu hang [ 1462.794884] [drm] HPD interrupt storm detected on connector VGA-1: switching from hotplug detection to polling ``` Thinkpad R16 uname -a Linux thicky 4.9.0-0.bpo.2-rt-amd64 #1 SMP PREEMPT RT Debian 4.9.18-1~bpo8+1 (2017-04-10) x86_64 GNU/Linux
Created attachment 131355 [details] Xorg.0.log
Created attachment 131356 [details] dmesg.log
intel_stepping Vendor: 0x8086, Device: 0x2a02, Revision: 0x0c (>C0) render clock: 500 Mhz sampler clock: 533 Mhz
intel_reg_checker MI_MODE (0x209c): 0x00000040 (bit 14) OK: Async Flip Performance mode (bit 13) OK: Flush Performance Mode (bit 7) OK: Vertex Shader Cache Mode (bit 6) OK: Vertex Shader Timer Dispatch Enable CACHE_MODE_0 (0x2120): 0x00006820 (bit 15) OK: Sampler L2 Disable (bit 9) PERF: Sampler L2 TLB Prefetch Enable should be set (bit 8) OK: Depth Related Cache Pipelined Flush Disable (bit 5) FAIL: STC LRA Eviction Policy must be unset (bit 3) OK: Hierarchical Z Disable (bit 0) OK: Render Cache Operational Flush CACHE_MODE_1 (0x2124): 0x00000180 (bit 12) OK: HIZ LRA Eviction Policy (bit 11) OK: DAP Instruction and State Cache Invalidate (bit 10) OK: Instruction L1 Cache and In-Flight Queue Disable (bit 9) OK: Instruction L2 Cache Fill Buffers Disable (bit 4) OK: Data Disable (bit 1) OK: Instruction and State L2 Cache Disable (bit 0) OK: Instruction and State L1 Cache Disable 3D_CHICKEN (0x2084): 0x00000000 OK: chicken bits unset 3D_CHICKEN2 (0x208c): 0x00000000 OK: chicken bits unset ECOSKPD (0x21d0): 0x00000307 WARN: chicken bits set
inteltool Intel CPU: Family 6, Model f Intel Northbridge: 8086:2a00 (PM965) Intel Southbridge: 8086:2811 (unknown)
Created attachment 131357 [details] intel_error_decode log
Is there a specific website that triggers this hang?
I no longer have access to hardware to replicate.
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