[Bug 15017] New: kexec regression, radeon/kms irq related (bisected)

[Bug 15017] New: kexec regression, radeon/kms irq related (bisected)

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15017

           Summary: kexec regression, radeon/kms irq related (bisected)
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.33-rc3
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: markus@trippelsdorf.de
        Regression: Yes


Commit d8f60cfc93452d0554f6a701aa8e3236cbee4636 (drm/radeon/kms: Add support
for interrupts on r6xx/r7xx chips) breaks kexec on my machine (amd64, RS780).
The computer just hangs right after the kexec call and I have to press the
reset button to get it running again.
2.6.32 worked flawlessly.

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[Bug 15017] kexec regression, radeon/kms irq related (bisected)

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15017


Rafael J. Wysocki <rjw@sisk.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rjw@sisk.pl
             Blocks|                            |14885




--- Comment #1 from Rafael J. Wysocki <rjw@sisk.pl>  2010-01-13 22:10:44 ---
First-Bad-Commit : d8f60cfc93452d0554f6a701aa8e3236cbee4636

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[Bug 15017] kexec regression, radeon/kms irq related (bisected)

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15017





--- Comment #2 from Rafael J. Wysocki <rjw@sisk.pl>  2010-01-13 22:11:26 ---
commit d8f60cfc93452d0554f6a701aa8e3236cbee4636
Author: Alex Deucher <alexdeucher@gmail.com>
Date:   Tue Dec 1 13:43:46 2009 -0500

    drm/radeon/kms: Add support for interrupts on r6xx/r7xx chips (v3)

    Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
    Signed-off-by: Dave Airlie <airlied@redhat.com>

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[Bug 15017] kexec regression, radeon/kms irq related (bisected)

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15017





--- Comment #3 from Jérôme Glisse <glisse@freedesktop.org>  2010-01-15 13:50:02 ---
Created an attachment (id=24571)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24571)
Disable irq at suspend

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[Bug 15017] kexec regression, radeon/kms irq related (bisected)

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15017





--- Comment #4 from Jérôme Glisse <glisse@freedesktop.org>  2010-01-15 13:50:37 ---
Created an attachment (id=24572)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24572)
Don't process irq until initialized

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[Bug 15017] kexec regression, radeon/kms irq related (bisected)

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15017





--- Comment #5 from Jérôme Glisse <glisse@freedesktop.org>  2010-01-15 13:51:27 ---
Created an attachment (id=24573)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24573)
Handle IH ring overflow

Please can you test if the attached patch set helps with your issue. Thanks

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[Bug 15017] kexec regression, radeon/kms irq related (bisected)

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15017





--- Comment #6 from Markus Trippelsdorf <markus@trippelsdorf.de>  2010-01-15 14:30:11 ---
Yes, kexec works again with your patches applied.
Thanks a lot Jérôme.

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[Bug #15017] kexec regression, radeon/kms irq related (bisected)

[Rafael J. Wysocki]

This message has been generated automatically as a part of a report
of recent regressions.

The following bug entry is on the current list of known regressions
from 2.6.32.  Please verify if it still should be listed and let me know
(either way).


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=15017
Subject		: kexec regression, radeon/kms irq related (bisected)
Submitter	: Markus Trippelsdorf <markus@trippelsdorf.de>
Date		: 2010-01-09 18:49 (16 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8f60cfc93452d0554f6a701aa8e3236cbee4636

Re: [Bug #15017] kexec regression, radeon/kms irq related (bisected)

[Alex Deucher]

On Sun, Jan 24, 2010 at 5:04 PM, Rafael J. Wysocki <rjw-KKrjLPT3xs0@public.gmane.org> wrote:
> This message has been generated automatically as a part of a report
> of recent regressions.
>
> The following bug entry is on the current list of known regressions
> from 2.6.32.  Please verify if it still should be listed and let me know
> (either way).
>
>
> Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=15017
> Subject         : kexec regression, radeon/kms irq related (bisected)
> Submitter       : Markus Trippelsdorf <markus-xp2qqqlHh3xzoYq+O6RWwA@public.gmane.org>
> Date            : 2010-01-09 18:49 (16 days old)
> First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8f60cfc93452d0554f6a701aa8e3236cbee4636
>
>
>

That bug has patches which fix the issue attached and queued for 2.6.33.

Alex

Re: [Bug #15017] kexec regression, radeon/kms irq related (bisected)

[Alex Deucher]

On Sun, Jan 24, 2010 at 5:04 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> This message has been generated automatically as a part of a report
> of recent regressions.
>
> The following bug entry is on the current list of known regressions
> from 2.6.32.  Please verify if it still should be listed and let me know
> (either way).
>
>
> Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=15017
> Subject         : kexec regression, radeon/kms irq related (bisected)
> Submitter       : Markus Trippelsdorf <markus@trippelsdorf.de>
> Date            : 2010-01-09 18:49 (16 days old)
> First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8f60cfc93452d0554f6a701aa8e3236cbee4636
>
>
>

That bug has patches which fix the issue attached and queued for 2.6.33.

Alex

Re: [Bug #15017] kexec regression, radeon/kms irq related (bisected)

[Dave Airlie]

On Sun, 2010-01-24 at 22:26 -0500, Alex Deucher wrote:
> On Sun, Jan 24, 2010 at 5:04 PM, Rafael J. Wysocki <rjw-KKrjLPT3xs0@public.gmane.org> wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.32.  Please verify if it still should be listed and let me know
> > (either way).
> >
> >
> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=15017
> > Subject         : kexec regression, radeon/kms irq related (bisected)
> > Submitter       : Markus Trippelsdorf <markus-xp2qqqlHh3xzoYq+O6RWwA@public.gmane.org>
> > Date            : 2010-01-09 18:49 (16 days old)
> > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8f60cfc93452d0554f6a701aa8e3236cbee4636
> >
> >
> >
> 
> That bug has patches which fix the issue attached and queued for 2.6.33.

Just sent to Linus.

Dave.

Re: [Bug #15017] kexec regression, radeon/kms irq related (bisected)

[Dave Airlie]

On Sun, 2010-01-24 at 22:26 -0500, Alex Deucher wrote:
> On Sun, Jan 24, 2010 at 5:04 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.32.  Please verify if it still should be listed and let me know
> > (either way).
> >
> >
> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=15017
> > Subject         : kexec regression, radeon/kms irq related (bisected)
> > Submitter       : Markus Trippelsdorf <markus@trippelsdorf.de>
> > Date            : 2010-01-09 18:49 (16 days old)
> > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8f60cfc93452d0554f6a701aa8e3236cbee4636
> >
> >
> >
> 
> That bug has patches which fix the issue attached and queued for 2.6.33.

Just sent to Linus.

Dave.

[Bug 15017] kexec regression, radeon/kms irq related (bisected)

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15017


Rafael J. Wysocki <rjw@sisk.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |PATCH_ALREADY_AVAILABLE




--- Comment #7 from Rafael J. Wysocki <rjw@sisk.pl>  2010-01-25 21:05:25 ---
Handled-By : Jérôme Glisse <glisse@freedesktop.org>

Patch : http://bugzilla.kernel.org/attachment.cgi?id=24571
Patch : http://bugzilla.kernel.org/attachment.cgi?id=24572
Patch : http://bugzilla.kernel.org/attachment.cgi?id=24573

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[Bug 15017] kexec regression, radeon/kms irq related (bisected)

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15017


Rafael J. Wysocki <rjw@sisk.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED
         Resolution|PATCH_ALREADY_AVAILABLE     |CODE_FIX




--- Comment #8 from Rafael J. Wysocki <rjw@sisk.pl>  2010-01-26 12:16:28 ---
Fixed by:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0c45249f419d8b86abe0e51c6627ca4b085e8c23
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=79c2bbc505751bb5130ac753251fc9a0eb37bb12
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7924e5eb8fe422d6b1ce3b3e2be749a480dfcdd9

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