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* [Bug 33812] New: radeon with modeset option causes oops as secondary adapter (vgaswitcheroo)
@ 2011-04-21 23:15 bugzilla-daemon
  2011-04-21 23:15 ` [Bug 33812] " bugzilla-daemon
                   ` (5 more replies)
  0 siblings, 6 replies; 8+ messages in thread
From: bugzilla-daemon @ 2011-04-21 23:15 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=33812

           Summary: radeon with modeset option causes oops as secondary
                    adapter (vgaswitcheroo)
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.38.3
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: jcnengel@googlemail.com
        Regression: Yes


Created an attachment (id=54942)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=54942)
kernel log

System: Lenovo ThinkPad T500
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3650
using vgaswitcheroo

Trying to load radeon (as a module or in kernel) with modeset not explicitly
disabled causes a kernel NULL pointer dereference if i915 has initialised the
fb console already. 
That behaviour did not occur in 2.6.38, only after upgrading to 2.6.38.3
(haven't had the time to bisect yet).

If I disable switching in the BIOS and move to the radeon card as exclusive
adapter, everything works fine. with dual graphics stack

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 33812] radeon with modeset option causes oops as secondary adapter (vgaswitcheroo)
  2011-04-21 23:15 [Bug 33812] New: radeon with modeset option causes oops as secondary adapter (vgaswitcheroo) bugzilla-daemon
@ 2011-04-21 23:15 ` bugzilla-daemon
  2011-04-25 20:11 ` bugzilla-daemon
                   ` (4 subsequent siblings)
  5 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2011-04-21 23:15 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=33812





--- Comment #1 from Johannes Engel <jcnengel@googlemail.com>  2011-04-21 23:15:31 ---
Created an attachment (id=54952)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=54952)
lspci output

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 33812] radeon with modeset option causes oops as secondary adapter (vgaswitcheroo)
  2011-04-21 23:15 [Bug 33812] New: radeon with modeset option causes oops as secondary adapter (vgaswitcheroo) bugzilla-daemon
  2011-04-21 23:15 ` [Bug 33812] " bugzilla-daemon
@ 2011-04-25 20:11 ` bugzilla-daemon
  2011-04-30 22:14 ` bugzilla-daemon
                   ` (3 subsequent siblings)
  5 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2011-04-25 20:11 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=33812


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |florian@mickler.org,
                   |                            |maciej.rutecki@gmail.com,
                   |                            |rjw@sisk.pl
             Blocks|                            |32012




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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 33812] radeon with modeset option causes oops as secondary adapter (vgaswitcheroo)
  2011-04-21 23:15 [Bug 33812] New: radeon with modeset option causes oops as secondary adapter (vgaswitcheroo) bugzilla-daemon
  2011-04-21 23:15 ` [Bug 33812] " bugzilla-daemon
  2011-04-25 20:11 ` bugzilla-daemon
@ 2011-04-30 22:14 ` bugzilla-daemon
  2011-05-01  8:07 ` bugzilla-daemon
                   ` (2 subsequent siblings)
  5 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2011-04-30 22:14 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=33812


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |blazej.bucko@gmail.com




--- Comment #2 from Rafael J. Wysocki <rjw@sisk.pl>  2011-04-30 22:14:26 ---
*** Bug 34022 has been marked as a duplicate of this bug. ***

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 33812] radeon with modeset option causes oops as secondary adapter (vgaswitcheroo)
  2011-04-21 23:15 [Bug 33812] New: radeon with modeset option causes oops as secondary adapter (vgaswitcheroo) bugzilla-daemon
                   ` (2 preceding siblings ...)
  2011-04-30 22:14 ` bugzilla-daemon
@ 2011-05-01  8:07 ` bugzilla-daemon
  2011-05-01 10:14 ` bugzilla-daemon
  2011-05-01 10:15 ` bugzilla-daemon
  5 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2011-05-01  8:07 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=33812





--- Comment #3 from Dave Airlie <airlied@linux.ie>  2011-05-01 08:07:11 ---
don't suppose anyone can bisect this? you'd only have to bisect drivers/gpu

I can probably try and reproduce it next week.

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 33812] radeon with modeset option causes oops as secondary adapter (vgaswitcheroo)
  2011-04-21 23:15 [Bug 33812] New: radeon with modeset option causes oops as secondary adapter (vgaswitcheroo) bugzilla-daemon
                   ` (3 preceding siblings ...)
  2011-05-01  8:07 ` bugzilla-daemon
@ 2011-05-01 10:14 ` bugzilla-daemon
  2011-05-01 10:15 ` bugzilla-daemon
  5 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2011-05-01 10:14 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=33812





--- Comment #4 from Dave Airlie <airlied@linux.ie>  2011-05-01 10:14:41 ---
Created an attachment (id=56052)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=56052)
attempted fix.

please test this.

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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug 33812] radeon with modeset option causes oops as secondary adapter (vgaswitcheroo)
  2011-04-21 23:15 [Bug 33812] New: radeon with modeset option causes oops as secondary adapter (vgaswitcheroo) bugzilla-daemon
                   ` (4 preceding siblings ...)
  2011-05-01 10:14 ` bugzilla-daemon
@ 2011-05-01 10:15 ` bugzilla-daemon
  5 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2011-05-01 10:15 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=33812


Dave Airlie <airlied@linux.ie> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|drivers_video-dri@kernel-bu |airlied@linux.ie
                   |gs.osdl.org                 |




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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [Bug #33812] radeon with modeset option causes oops as secondary adapter (vgaswitcheroo)
  2011-04-30 19:42 2.6.39-rc5-git4: Reported regressions from 2.6.38 Rafael J. Wysocki
@ 2011-04-30 19:46 ` Rafael J. Wysocki
  0 siblings, 0 replies; 8+ messages in thread
From: Rafael J. Wysocki @ 2011-04-30 19:46 UTC (permalink / raw)
  To: Linux Kernel Mailing List
  Cc: Kernel Testers List, Maciej Rutecki, Florian Mickler, Johannes Engel

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

The following bug entry is on the current list of known regressions
from 2.6.38.  Please verify if it still should be listed and let the tracking team
know (either way).


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=33812
Subject		: radeon with modeset option causes oops as secondary adapter (vgaswitcheroo)
Submitter	: Johannes Engel <jcnengel@googlemail.com>
Date		: 2011-04-21 23:14 (10 days old)



^ permalink raw reply	[flat|nested] 8+ messages in thread

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2011-04-21 23:15 [Bug 33812] New: radeon with modeset option causes oops as secondary adapter (vgaswitcheroo) bugzilla-daemon
2011-04-21 23:15 ` [Bug 33812] " bugzilla-daemon
2011-04-25 20:11 ` bugzilla-daemon
2011-04-30 22:14 ` bugzilla-daemon
2011-05-01  8:07 ` bugzilla-daemon
2011-05-01 10:14 ` bugzilla-daemon
2011-05-01 10:15 ` bugzilla-daemon
2011-04-30 19:42 2.6.39-rc5-git4: Reported regressions from 2.6.38 Rafael J. Wysocki
2011-04-30 19:46 ` [Bug #33812] radeon with modeset option causes oops as secondary adapter (vgaswitcheroo) Rafael J. Wysocki

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