[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=22022


Zhang Rui <rui.zhang@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Hibernation/Suspend         |Video(DRI - non Intel)
         AssignedTo|power-management_other@kern |drivers_video-dri@kernel-bu
                   |el-bugs.osdl.org            |gs.osdl.org
            Product|Power Management            |Drivers




--- Comment #25 from Zhang Rui <rui.zhang@intel.com>  2013-04-08 06:58:15 ---
from https://bugs.freedesktop.org/show_bug.cgi?id=43278

Some tests last week by Debian (please watch the debian bug report link for
further details) showed that the problem is caused by the Radeon module.
The following error message occurrs when loading the radeon module:

[  270.715016] radeon_cp: Failed to load firmware "radeon/R300_cp.bin"
[  270.715045] [drm: r100_cp.init] *ERROR* Failed to load firmware!
[  270.715061] radeon 0000:01:05:0: failed initializing CP (-2) .
[  270.715072] radeon 0000:01:05:0:Disabling GPU acceleration

reassign to radeon guys.

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[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=22022





--- Comment #26 from Jonathan Nieder <jrnieder@gmail.com>  2013-04-08 07:06:49 ---
(In reply to comment #25)
> [  270.715016] radeon_cp: Failed to load firmware "radeon/R300_cp.bin"
> [  270.715045] [drm: r100_cp.init] *ERROR* Failed to load firmware!
> [  270.715061] radeon 0000:01:05:0: failed initializing CP (-2) .
> [  270.715072] radeon 0000:01:05:0:Disabling GPU acceleration

That's a red herring from testing in an initramfs.  In an actual production
environment with the firmware installed, the reporter is still able to
reproduce hangs when trying to hibernate.

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[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

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https://bugzilla.kernel.org/show_bug.cgi?id=22022





--- Comment #27 from Jonathan Nieder <jrnieder@gmail.com>  2013-04-08 07:08:01 ---
s/is/was, a year ago/

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[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

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https://bugzilla.kernel.org/show_bug.cgi?id=22022





--- Comment #28 from Aaron Lu <aaron.lu@intel.com>  2013-04-08 07:20:40 ---
Hi Jonathan,

Rolf's comment seems suggest radeon driver is the problem:
https://bugs.freedesktop.org/show_bug.cgi?id=43278#c18

If this is the case, then there is not much we can do in PM side.

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[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

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https://bugzilla.kernel.org/show_bug.cgi?id=22022





--- Comment #29 from Jonathan Nieder <jrnieder@gmail.com>  2013-04-08 07:32:22 ---
Yes, I agree with that.  Just wanted to make sure anyone stumbling on this
later doesn't get confused by the request_firmware() stuff.

Rolf, can you still reproduce this with a 3.8.y or newer kernel?

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[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

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https://bugzilla.kernel.org/show_bug.cgi?id=22022





--- Comment #30 from rolf <hubba@online.de>  2013-04-08 08:27:04 ---
On 08.04.2013 09:32, bugzilla-daemon@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=22022
>
>
>
>
>
> --- Comment #29 from Jonathan Nieder<jrnieder@gmail.com>   2013-04-08 07:32:22 ---
> Yes, I agree with that.  Just wanted to make sure anyone stumbling on this
> later doesn't get confused by the request_firmware() stuff.
>
> Rolf, can you still reproduce this with a 3.8.y or newer kernel?
>
Yes, it can be reproduced with kernel Debian 3.8.5-1~experimental.1 .

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[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

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https://bugzilla.kernel.org/show_bug.cgi?id=22022


Zhang Rui <rui.zhang@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |56331




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[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

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https://bugzilla.kernel.org/show_bug.cgi?id=22022

Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|3.2                         |3.8.5

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[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

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https://bugzilla.kernel.org/show_bug.cgi?id=22022

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com

--- Comment #31 from Alex Deucher <alexdeucher@gmail.com> ---
I think this should be fixed by this patch:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acf88deb8ddbb73acd1c3fa32fde51af9153227f

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[Bug 22022] 2.6.32 regression: sometimes Suspend-To-RAM causes system hangup - ATI RS480

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https://bugzilla.kernel.org/show_bug.cgi?id=22022

Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |CODE_FIX

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