[Bug 82339] New: [HSW Regression] Fail to resume from S4, causing system hang (once out of 5 test circles)
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Aug 8 01:34:24 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=82339
Priority: medium
Bug ID: 82339
Keywords: bisect_pending
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [HSW Regression] Fail to resume from S4, causing
system hang (once out of 5 test circles)
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: major
Classification: Unclassified
OS: All
Reporter: ming.yao at intel.com
Hardware: x86-64 (AMD64)
Status: NEW
Version: unspecified
Component: DRM/Intel
Product: DRI
Created attachment 104270
--> https://bugs.freedesktop.org/attachment.cgi?id=104270&action=edit
dmesg from netconsole
==System Environment==
--------------------------
Regression: Yes.
Good commit: commit e1255d4cde1881345b2f68a39a96a995607b70e9
Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
Date: Sat Jun 28 02:04:03 2014 +0300
drm/i915: Clarify CHV swing margin/deemph bits
Non-working platforms: HSW
==kernel==
--------------------------
-nightly: (test fails)
commit c3b4c0436dffd0a2d25d9583bd6c3e64f5090603
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
AuthorDate: Thu Aug 7 16:50:48 2014 +0200
Commit: Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Thu Aug 7 16:50:48 2014 +0200
drm-intel-nightly: 2014y-08m-07d-16h-50m-27s integration manifest
-queued: (test fails in the same way)
commit 9de1683a0fa8ce9dc569bafd04f7487c8b9080ac
Author: Gajanan Bhat <gajanan.bhat at intel.com>
AuthorDate: Thu Aug 7 17:03:30 2014 +0530
Commit: Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Thu Aug 7 15:01:53 2014 +0200
drm/i915: Add sprite watermark programming for VLV and CHV
-fixes: (test fails in the same way)
commit 7badbebb052ab30806289a4d4d35f35a7c4240d1
Author: Jiri Kosina <jkosina at suse.cz>
AuthorDate: Thu Aug 7 16:29:53 2014 +0200
Commit: Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Thu Aug 7 16:49:57 2014 +0200
drm/i915: read HEAD register back in init_ring_common() to enforce ordering
==Bug detailed description==
-----------------------------
System fails to resume from S4. Dmesg from netconsole is attached.
But if rmmoded i915, S4 works well for at least 20 times
==Reproduce steps==
----------------------------
for ((i=0; i<20; i++))
do
echo 0 > /sys/class/rtc/rtc0/wakealarm
echo +15 > /sys/class/rtc/rtc0/wakealarm
echo disk > /sys/power/state
done
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