From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 81281] New: 8970M boot problems since 3.13 with dpm
Date: Mon, 28 Jul 2014 22:43:04 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=81281
Bug ID: 81281
Summary: 8970M boot problems since 3.13 with dpm
Product: Drivers
Version: 2.5
Kernel Version: 3.16.0-rc5
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: sharkgoesmad@gmail.com
Regression: No
Created attachment 144531
--> https://bugzilla.kernel.org/attachment.cgi?id=144531&action=edit
syslog
I am using MSI GX60 3BE 240US, which is a AMD/AMD hybrid, sporting a10-5750m
Richland apu and super-powerful HD 8970M.
Since kernel 3.13, my laptop is unable to boot unless ran with radeon.dpm=0.
Worth to note that 3.12 with radeon.dpm=1 works mighty fine.
While trying different kernel versions and inspecting syslog, it seems that in
all cases the problem starts with the following line:
[drm:r600_ring_test] *ERROR* radeon: ring 0 test failed
(scratch(0x850C)=0xCAFEDEAD)
In 3.13-3.15 it results in system restart when the login screen shows up. In
3.16 however, the screen freezes and no restart occurs. The system responds
normally when pressing power button and shuts down.
Attached is the piece of the syslog and Xorg.0.log when ran with 3.16-rc5.
Any help would be greatly appreciated. Thanks.
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