[Bug 83166] New: [HSW regression bisected] kernel lockup during early boot
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Aug 27 14:55:23 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=83166
Priority: medium
Bug ID: 83166
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [HSW regression bisected] kernel lockup during early
boot
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: normal
Classification: Unclassified
OS: All
Reporter: thilo at ginkel.com
Hardware: Other
Status: NEW
Version: XOrg CVS
Component: DRM/Intel
Product: DRI
Created attachment 105358
--> https://bugs.freedesktop.org/attachment.cgi?id=105358&action=edit
Camera photo of locked up screen
Prompted by a request in bug #82207 to re-test another bug in drm-intel-nighly
(c30b73c) I was confronted with an early kernel lockup during boot happening
when plymouth switches to the FB console to prompt for my LUKS password. Once
that happens the screen just shows a few bright pixels and the system can only
be rebooted by long-pressing the power button. I bisected the issue and came up
with the following responsible commit:
commit d91a2cb8e5104233c02bbde539bd4ee455ec12ac
Author: Sonika Jindal <sonika.jindal at intel.com>
Date: Fri Aug 22 14:06:04 2014 +0530
drm/i915: Add 180 degree primary plane rotation support
System environment:
-- chipset: QM87
-- system architecture: x86_64
-- xf86-video-intel/xserver/mesa/libdrm version:
- xf86-video-intel: 2.99.914 (git commit
f36b7a4aac86f5874c32d8f516ac1f00a6c8d8b3)
- xserver: 1.15.1
- mesa: 10.1.3
- libdrm: 2.4.52
-- kernel version: drm-intel-nightly c30b73c
-- Linux distribution: Kubuntu 14.04
-- Machine or mobo model: Lenovo ThinkPad T440p 20AN w/ Core i7-4800MQ
-- Display connector: DVI, DisplayPort
The red stripes in the first few lines of the screen are only present for some
revisions, so they may be caused by a different commit.
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