From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org
Subject: [Bug 114061] New: xorg session flickers after resume from suspend
Date: Tue, 08 Mar 2016 23:44:22 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=114061
Bug ID: 114061
Summary: xorg session flickers after resume from suspend
Product: Drivers
Version: 2.5
Kernel Version: 4.1.18
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Infiniband/RDMA
Assignee: drivers_infiniband-rdma-ztI5WcYan/vQLgFONoPN62D2FQJk+8+b@public.gmane.org
Reporter: e.sovetkin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Regression: No
Created attachment 208321
--> https://bugzilla.kernel.org/attachment.cgi?id=208321&action=edit
git bisect log
Xorg session flickers after resume from suspend. Restarting Xorg solves the
issue.
The problem occurs in linux-lts 4.1.18-1 and linux-lts 4.1.19-1.
Downgrading to linux-lts 4.1.17-1 solves the issue.
Journal doesn't have any relevant messages (compared logs with 4.1.17-1 and
4.1.19-1 running kernel).
Additional info:
* Laptop: Medion Akoya
* CPU: Intel(R) Core(TM) M-5Y71 CPU @ 1.20GHz
* core/linux-lts 4.1.18-1, 4.1.19-1 affected. 4.1.17 is not affected
Steps to reproduce: put machine to suspend, resume.
git bisect leads to the following commit:
# first bad commit: [40ced0bb2cd8bd17c4f1061176c2ca1db71ec667] dmaengine:
at_xdmac: fix resume for cyclic transfers
git bisect log is attached
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