[i915_bpo] Fix RC6 on SKL GT3 & GT4
Bug #1564759 reported by
Timo Aaltonen
This bug affects 3 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
DRI |
Fix Released
|
Critical
|
|||
linux (Ubuntu) |
Fix Released
|
High
|
Timo Aaltonen | ||
Xenial |
Fix Released
|
High
|
Timo Aaltonen |
Bug Description
Runtime power management causes GPU hangs on SKL GT3 & GT4 ("Iris" & "Iris Pro"), so fix it by adding two patches to extend certain workarounds to cover all chip revisions.
Changed in linux (Ubuntu Xenial): | |
assignee: | nobody → Timo Aaltonen (tjaalton) |
importance: | Undecided → High |
status: | New → Triaged |
Changed in dri: | |
importance: | Unknown → Critical |
status: | Unknown → Confirmed |
Changed in dri: | |
status: | Confirmed → Incomplete |
summary: |
- [i915_bpo] Disable RC6 on SKL GT3 & GT4 + [i915_bpo] Fix RC6 on SKL GT3 & GT4 |
description: | updated |
Changed in linux (Ubuntu Xenial): | |
status: | Triaged → Fix Committed |
Changed in dri: | |
status: | Incomplete → Fix Released |
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Created attachment 121772
GPU crash dump
I have experienced GPU hangs with all kernels after 4.3.
I'm running a MS Surface Pro 4.
Feb 15 17:27:22 hat kernel: [ 478.912402] [drm] stuck on render ring p.org against DRI -> DRM/Intel drm/card0/ error
Feb 15 17:27:22 hat kernel: [ 478.913345] [drm] GPU HANG: ecode 9:0:0x85df9fff, in gnome-shell [1956], reason: Ring hung, action: reset
Feb 15 17:27:22 hat kernel: [ 478.913357] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
Feb 15 17:27:22 hat kernel: [ 478.913361] [drm] Please file a _new_ bug report on bugs.freedeskto
Feb 15 17:27:22 hat kernel: [ 478.913364] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
Feb 15 17:27:22 hat kernel: [ 478.913367] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
Feb 15 17:27:22 hat kernel: [ 478.913371] [drm] GPU crash dump saved to /sys/class/
Feb 15 17:27:22 hat kernel: [ 478.915833] drm/i915: Resetting chip after gpu hang
Feb 15 17:27:24 hat kernel: [ 480.901312] [drm] RC6 on