From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 65761] New: HD 7970M Hybrid - hangs and errors and rmmod causes
crash
Date: Mon, 25 Nov 2013 16:49:08 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=65761
Bug ID: 65761
Summary: HD 7970M Hybrid - hangs and errors and rmmod causes
crash
Product: Drivers
Version: 2.5
Kernel Version: 3.13-rc1
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: haagch.christoph@googlemail.com
Regression: No
Created attachment 115961
--> https://bugzilla.kernel.org/attachment.cgi?id=115961&action=edit
dmesg with multiple issues
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Wimbledon XT [Radeon HD 7970M]
muxless, so there's no display outputs on the radeon gpu.
With 3.13 and dpm and runtime power management enabled by default this should
be getting usable.
I did not start X this time.
(when starting X on the intel gpu quickly after booting (presumably before
radeon is initialized) the display output hangs, which is yet another problem).
Dmesg seems to contain several issues.
1. While booting it already produces these before even "dpm initialized" is
logged:
[ 20.120137] WARNING: CPU: 0 PID: 53 at drivers/gpu/drm/drm_mm.c:578
drm_mm_takedown+0x2e/0x30 [drm]()
[ 20.120138] Memory manager not clean during takedown.
2. These are just periodically displayed in the tty:
[ 79.179928] [drm:r600_ib_test] *ERROR* radeon: fence wait failed (-35).
[ 79.181378] [drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on
GFX ring (-35).
[ 79.182790] [drm:radeon_resume_kms] *ERROR* ib ring test failed (-35).
3. After some time in a tty, I did "rmmod radeon" and got some other issues
ending with
[ 192.663059] Fixing recursive fault but reboot is needed!
and then, after a little while a lot of other errors happen, but they are not
captured here in the dmesg.
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