* [Bug 23295] New: nouveau KMS: null pointer dereference if native mode is not found
@ 2009-08-13 21:53 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
[not found] ` <bug-23295-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
0 siblings, 1 reply; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-08-13 21:53 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=23295
Summary: nouveau KMS: null pointer dereference if native mode is
not found
Product: xorg
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/nouveau
AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
ReportedBy: anssi-4qZELD6Fgxhg9hUCZPvPmw@public.gmane.org
QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
When native mode is not found by KMS, at least with NV40, there is a null
pointer dereference of native_mode in nv_output_mode_fixup() when starting X.
Kernel log attached.
(In this case native mode is not found because of "Output script table version
0x11 unknown"; I'll open a separate bug for that with proper info if none is
already open)
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^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug 23295] nouveau KMS: null pointer dereference if native mode is not found
[not found] ` <bug-23295-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
@ 2009-08-13 21:54 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-08-13 22:14 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-08-13 21:54 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=23295
--- Comment #1 from Anssi Hannula <anssi-4qZELD6Fgxhg9hUCZPvPmw@public.gmane.org> 2009-08-13 14:54:13 PST ---
Created an attachment (id=28607)
--> (http://bugs.freedesktop.org/attachment.cgi?id=28607)
kernel log of native_mode null pointer dereference
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* [Bug 23295] nouveau KMS: null pointer dereference if native mode is not found
[not found] ` <bug-23295-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2009-08-13 21:54 ` [Bug 23295] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2009-08-13 22:14 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-08-13 22:20 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-08-13 22:14 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=23295
--- Comment #2 from Ben Skeggs <skeggsb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2009-08-13 15:14:14 PST ---
The output script table messages are harmless, and not the cause of your issue.
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* [Bug 23295] nouveau KMS: null pointer dereference if native mode is not found
[not found] ` <bug-23295-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2009-08-13 21:54 ` [Bug 23295] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-08-13 22:14 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2009-08-13 22:20 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-08-14 16:22 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-08-13 22:20 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=23295
--- Comment #3 from Anssi Hannula <anssi-4qZELD6Fgxhg9hUCZPvPmw@public.gmane.org> 2009-08-13 15:20:24 PST ---
Ok. Should I still open a bugreport for the fact that the native mode is not
found, with vbios dumps etc?
I'd consider this report to be about the missing failure path here, not the
fact that it fails :)
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* [Bug 23295] nouveau KMS: null pointer dereference if native mode is not found
[not found] ` <bug-23295-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (2 preceding siblings ...)
2009-08-13 22:20 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2009-08-14 16:22 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-08-21 0:24 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-09-17 11:16 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-08-14 16:22 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=23295
--- Comment #4 from Anssi Hannula <anssi-4qZELD6Fgxhg9hUCZPvPmw@public.gmane.org> 2009-08-14 09:22:11 PST ---
drm_edid.c ignores detailed timings on EDID < 1.3, and this LVDS has 1.2,
causing no modes found, triggering this issue.
I'll report the EDID parsing one separately elsewhere, as it is a non-nouveau
issue.
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^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug 23295] nouveau KMS: null pointer dereference if native mode is not found
[not found] ` <bug-23295-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (3 preceding siblings ...)
2009-08-14 16:22 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2009-08-21 0:24 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-09-17 11:16 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-08-21 0:24 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=23295
--- Comment #5 from Anssi Hannula <anssi-4qZELD6Fgxhg9hUCZPvPmw@public.gmane.org> 2009-08-20 17:24:45 PST ---
The EDID parsing issue has been fixed in drm git.
As for this bug, I sent a patch to nouveau mailinglist some days ago, it is
awaiting review. "drm/nv04: fix null pointer dereferences of native_mode"
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^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug 23295] nouveau KMS: null pointer dereference if native mode is not found
[not found] ` <bug-23295-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (4 preceding siblings ...)
2009-08-21 0:24 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2009-09-17 11:16 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-09-17 11:16 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=23295
Francisco Jerez <currojerez-sGOZH3hwPm2sTnJN9+BGXg@public.gmane.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #6 from Francisco Jerez <currojerez-sGOZH3hwPm2sTnJN9+BGXg@public.gmane.org> 2009-09-17 04:16:01 PST ---
(In reply to comment #5)
> The EDID parsing issue has been fixed in drm git.
>
> As for this bug, I sent a patch to nouveau mailinglist some days ago, it is
> awaiting review. "drm/nv04: fix null pointer dereferences of native_mode"
>
It's already pushed so I'm marking this as fixed.
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end of thread, other threads:[~2009-09-17 11:16 UTC | newest]
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2009-08-13 21:53 [Bug 23295] New: nouveau KMS: null pointer dereference if native mode is not found bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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2009-08-13 21:54 ` [Bug 23295] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-08-13 22:14 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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2009-08-14 16:22 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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