[Bug 82750] New: [BDW Bisected]Screen is frozen since kernel boot.
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Aug 18 00:54:57 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=82750
Priority: medium
Bug ID: 82750
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [BDW Bisected]Screen is frozen since kernel boot.
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: critical
Classification: Unclassified
OS: Linux (All)
Reporter: lei.a.liu at intel.com
Hardware: Other
Status: NEW
Version: unspecified
Component: DRM/Intel
Product: DRI
Created attachment 104800
--> https://bugs.freedesktop.org/attachment.cgi?id=104800&action=edit
dmesg
==System Environment==
--------------------------
Regression: Yes. Good commit:82e3b8c130f046b7dd1e7898c10e40edb52fee6d
Non-working platforms: Broadwell
==kernel==
--------------------------
-nightly: 186631131a9289dad22f51315d78b9b6ac5b425f (failed)
drm-intel-nightly: 2014y-08m-15d-14h-55m-27s integration manifest
-queued: ecca3fd0ea82c45b558f68b1ff3bf6685b443ab1 (failed)
drm/i915/bdw: Enable Logical Ring Contexts (hence, Execlists)
-fixes: 103ae732ad26141515f109c80b5c1ced16e457c3 (worked)
drm/i915: Don't try to enable cursor from setplane when crtc is disabled
==Bug detailed description==
-----------------------------
Screen frozen as picture attached. testdisplay -i can't detect eDP monitor.
==Reproduce steps==
----------------------------
1. boot machine up
==Bisect results==
Bisect shows: ecca3fd0ea82c45b558f68b1ff3bf6685b443ab1 is the first bad commit
commit ecca3fd0ea82c45b558f68b1ff3bf6685b443ab1
Author: Oscar Mateo <oscar.mateo at intel.com>
AuthorDate: Thu Jul 24 17:04:49 2014 +0100
Commit: Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Fri Aug 15 14:48:25 2014 +0200
drm/i915/bdw: Enable Logical Ring Contexts (hence, Execlists)
The time has come, the Walrus said, to talk of many things.
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