* [Bug 53111] vgaswitcheroo not working anymore
[not found] <bug-53111-2300@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=53111
Rafael J. Wysocki <rjw@sisk.pl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|Other |Video(DRI - non Intel)
AssignedTo|rjw@sisk.pl |drivers_video-dri@kernel-bu
| |gs.osdl.org
Product|Power Management |Drivers
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From: bugzilla-daemon @ 2013-01-29 13:59 UTC (permalink / raw)
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Alex Deucher <alexdeucher@gmail.com> changed:
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CC| |alexdeucher@gmail.com
--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> 2013-01-29 13:58:59 ---
Can you bisect?
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From: bugzilla-daemon @ 2013-01-29 19:10 UTC (permalink / raw)
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--- Comment #2 from cem.aydin@gmx.ch 2013-01-29 19:10:46 ---
Usually I use the current arch package. Looking at the Arch Rollback Machine
(http://arm.konnichi.com/search/index.php?a=64&q=^linux&core=1) shows that
there was made a jump from 3.6.11 to 3.7.3. I was a bit surprised before to get
3.7.4 all of a sudden... I just tried 3.7.3 and the problem appears there
already.
Doing a quick search I found this:
https://bugzilla.novell.com/show_bug.cgi?id=798254 indicating that it's already
broken on 3.7.1 (similar description, and _same_ lspci | grep VGA as mine:
[root@hplaptop cem]# lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Caicos
[Radeon HD 6400M/7400M Series]
The old Arch bug mentioned there was mine, but note that it is _not_ related to
this error cause in the meantime vgaswitcheroo was working.
Don't know if it's of interest but maybe see the link there:
http://www.phoronix.com/scan.php?page=news_item&px=MTE4MDM
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From: bugzilla-daemon @ 2013-02-19 11:01 UTC (permalink / raw)
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Alexander Mezin <mezin.alexander@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mezin.alexander@gmail.com
--- Comment #3 from Alexander Mezin <mezin.alexander@gmail.com> 2013-02-19 11:01:19 ---
I have the same problem with
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI
Whistler XT [AMD Radeon HD 6700M Series]
Seems that the bug is introduced in this commit:
http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=commit;h=492b49a2f21a7ce6cb0abce36017daa06036a626
Before it discrete card actually switches off.
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--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> 2013-02-19 13:32:03 ---
Make sure your kernel has this patch:
http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=commitdiff;h=0b90365e7a32317b948583c4b5c2712d84610b08
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--- Comment #5 from Alexander Mezin <mezin.alexander@gmail.com> 2013-02-19 13:52:09 ---
Tested on vanilla 3.8. It has this patch.
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--- Comment #6 from Alexander Mezin <mezin.alexander@gmail.com> 2013-02-19 14:55:44 ---
Created an attachment (id=93541)
--> (https://bugzilla.kernel.org/attachment.cgi?id=93541)
Workaround
I found a workaround.
atpx->functions.power_cntl is 0 on my machine. Without this check switcheroo
works again.
lspci:
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
Subsystem: Hewlett-Packard Company Device 3388
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI
Whistler XT [AMD Radeon HD 6700M Series] (rev ff)
It's muxless system.
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--- Comment #7 from Alex Deucher <alexdeucher@gmail.com> 2013-02-19 15:36:13 ---
Created an attachment (id=93591)
--> (https://bugzilla.kernel.org/attachment.cgi?id=93591)
Print atpx function mask
Can you attach the output of this patch? I'd like to see the atpx function
mask on your system.
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--- Comment #8 from Alexander Mezin <mezin.alexander@gmail.com> 2013-02-19 15:55:26 ---
atpx function mask: 0x00000031
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--- Comment #9 from Alex Deucher <alexdeucher@gmail.com> 2013-02-19 18:02:54 ---
Created an attachment (id=93601)
--> (https://bugzilla.kernel.org/attachment.cgi?id=93601)
possible fix
Does the attached patch fix the issue for you?
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--- Comment #10 from Alexander Mezin <mezin.alexander@gmail.com> 2013-02-19 19:55:55 ---
yes, it fixes the issue
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From: bugzilla-daemon @ 2013-03-04 21:28 UTC (permalink / raw)
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Florian Mickler <florian@mickler.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |florian@mickler.org
--- Comment #11 from Florian Mickler <florian@mickler.org> 2013-03-04 21:28:06 ---
A patch referencing this bug report has been merged in Linux v3.9-rc1:
commit 43a23aa450cc19fe8996caf09e7e21ae5f6e56e8
Author: Alex Deucher <alexander.deucher@amd.com>
Date: Tue Feb 19 12:55:52 2013 -0500
drm/radeon: properly validate the atpx interface
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From: bugzilla-daemon @ 2013-04-20 18:21 UTC (permalink / raw)
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Daniel Vetter <daniel@ffwll.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fedevx@yahoo.com
--- Comment #12 from Daniel Vetter <daniel@ffwll.ch> 2013-04-20 18:21:28 ---
*** Bug 55311 has been marked as a duplicate of this bug. ***
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Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |alan@lxorguk.ukuu.org.uk
Resolution|--- |CODE_FIX
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Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
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