From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 76861] New: radeon: flickering horizontal stripes/lines
Date: Sat, 24 May 2014 23:19:07 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=76861
Bug ID: 76861
Summary: radeon: flickering horizontal stripes/lines
Product: Drivers
Version: 2.5
Kernel Version: 3.15-rc6
Hardware: i386
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: sven.dziadek@gmx.de
CC: bugspam@moreofthesa.me.uk, deathsimple@vodafone.de
Regression: No
Created attachment 137301
--> https://bugzilla.kernel.org/attachment.cgi?id=137301&action=edit
Video of my monitor
Maybe duplicate of https://bugzilla.kernel.org/show_bug.cgi?id=75921
Recent DRI updates trigger a strange bug with my Radeon graphics card.
Horizontal lines flicker. These stripes/ lines start from the right edge of the
screen and have different lengths. All colors are visible. The amount of lines
depends on the speed of diplay changes. In games/ console scrolling, there is a
lot of them. If the pc is idle, I don't see any. Occurs also in tty1 on the
text console.
I appended a bad-quality video showing this issue. Sorry for the quality, but
screencast programs don't record the problem, only the picture as it should be.
With 3.15-rc1 it still works fine. In later Kernels, it is black without
output.
>>From somewhere between 3.15-rc3 and 3.15-rc4 (when the black-screen-issue is
fixed), theses stripes are visible. They are still there in latest commit:
1ee1ceafb572f1a925809168267a7962a4289de8
Graphics card is onboard:
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS880
[Radeon HD 4200] (prog-if 00 [VGA controller])
Monitor is attached over DVI.
I haven't found any errors in syslog. Tell me if you need some more info.
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