[DragonFlyBSD - Bug #2834] (Resolved) Post 3.16 i915 drm freedesktop Bug 76554 one line fix

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Sun Aug 2 17:54:01 PDT 2015

Issue #2834 has been updated by dillon.

Status changed from New to Resolved

Brought proposed fix into master - 0f370975

Bug #2834: Post 3.16 i915 drm freedesktop Bug 76554 one line fix

* Author: davshao
* Status: Resolved
* Priority: High
* Assignee: 
* Category: 
* Target version: 
After the update to Linux 3.16 i915 drm, Bug 76554 from freedesktop.org


manifests itself on an Intel(R) Core2 Quad CPU Q9400 with G45 integrated graphics:

drm0: taking over the fictitious range 0xd0000000-0xe0000000
error: [drm:pid1054:init_ring_common] *ERROR* render ring initialization failed ctl 0001f001 (valid? 1) head 05663004 tail 00000000 start 00003000 [expected 00003000]
error: [drm:pid1054:i915_gem_init] *ERROR* Failed to initialize GPU, declaring it wedged

Fortunately Jiri Kosina found a 1-line workaround that is still there in the
Linux 4.0.8 code:


This fix has been verified on the Q9400 machine to at least stop the error messages.

jiri.diff (627 Bytes)

You have received this notification because you have either subscribed to it, or are involved in it.
To change your notification preferences, please click here: http://bugs.dragonflybsd.org/my/account

More information about the Bugs mailing list