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Old 04-08-2008, 08:19 AM
Dave Airlie
 
Default kernel drm bugs and regressions (mga, savage users please test)

I've just tracked down a bug in my code for handling the DRM maps in the
kernel, that was affecting nouveau (running out of vmalloc space) and
radeon (hanging on drmGetLock at startup).

However fixing the bug uncovered a larger bug which is driver specific,
so the initial fixes are in the kernel building as
kernel-2_6_25-0_211_rc8_git6_fc9 in koji,

I'd really like feedback from nouveau, radeon, savage and mga people
that have working DRI now, and to let me know via a bug if the new
kernel regresses that or oopses after 211 in the drm code.

Sorry about this at this late stage, but thats the problem with nasty
bugs

I can probably test MGA myself at some point with a PCI card, but savage
hw I have none off.

Dave.

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Old 04-09-2008, 11:31 AM
Bruno Wolff III
 
Default kernel drm bugs and regressions (mga, savage users please test)

On Tue, Apr 08, 2008 at 18:19:20 +1000,
Dave Airlie <airlied@redhat.com> wrote:
> I'd really like feedback from nouveau, radeon, savage and mga people
> that have working DRI now, and to let me know via a bug if the new
> kernel regresses that or oopses after 211 in the drm code.

I tested 212 with glxgears on my 9200 at home and it seemed to work OK.
I had seen some weird stuff at work (where I have an r5xx based card),
but I didn't have time to look at it carefully so it might not be
a problem with the kernel. I'll test it more carefully today and open
a bug if it really appears to be a regression.

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Old 04-09-2008, 01:48 PM
Dennis Jacobfeuerborn
 
Default kernel drm bugs and regressions (mga, savage users please test)

Dave Airlie wrote:

I've just tracked down a bug in my code for handling the DRM maps in the
kernel, that was affecting nouveau (running out of vmalloc space) and
radeon (hanging on drmGetLock at startup).

However fixing the bug uncovered a larger bug which is driver specific,
so the initial fixes are in the kernel building as
kernel-2_6_25-0_211_rc8_git6_fc9 in koji,

I'd really like feedback from nouveau, radeon, savage and mga people
that have working DRI now, and to let me know via a bug if the new
kernel regresses that or oopses after 211 in the drm code.


How can I get DRI support in nouveau in F9? My Xorg log says:

...
(II) AIGLX: Screen 0 is not DRI2 capable
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 12, (OK)
drmOpenByBusid: Searching for BusID pci:0000:00:0d.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 12, (OK)
drmOpenByBusid: drmOpenMinor returns 12
drmOpenByBusid: drmGetBusid reports pci:0000:00:0d.0
(EE) AIGLX error: dlopen of /usr/lib/dri/nouveau_dri.so failed
(/usr/lib/dri/nouveau_dri.so: cannot open shared object file: No such file
or directory)

(EE) AIGLX: reverting to software rendering
...

Regards,
Dennis

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Old 04-09-2008, 02:26 PM
Hans de Goede
 
Default kernel drm bugs and regressions (mga, savage users please test)

Dave Airlie wrote:

I've just tracked down a bug in my code for handling the DRM maps in the
kernel, that was affecting nouveau (running out of vmalloc space) and
radeon (hanging on drmGetLock at startup).

However fixing the bug uncovered a larger bug which is driver specific,

so the initial fixes are in the kernel building as
kernel-2_6_25-0_211_rc8_git6_fc9 in koji,

I'd really like feedback from nouveau, radeon, savage and mga people

that have working DRI now, and to let me know via a bug if the new
kernel regresses that or oopses after 211 in the drm code.

Sorry about this at this late stage, but thats the problem with nasty

bugs

I can probably test MGA myself at some point with a PCI card, but savage

hw I have none off.



I was hoping this would fix my i865g freezing on doing any opengl apps
(glxgears hard freezes it), as this seems to be a kernel issue (downgrading to
2.6.24 fixes it). Note with both kernels it is not using TTM, so that is not
the cause.


See:
https://bugzilla.redhat.com/show_bug.cgi?id=440384

Regards,

Hans

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Old 04-09-2008, 02:55 PM
Dennis Jacobfeuerborn
 
Default kernel drm bugs and regressions (mga, savage users please test)

Dave Airlie wrote:

I've just tracked down a bug in my code for handling the DRM maps in the
kernel, that was affecting nouveau (running out of vmalloc space) and
radeon (hanging on drmGetLock at startup).


Could the vmalloc problem be the cause of this:
https://bugzilla.redhat.com/show_bug.cgi?id=437062

This bug makes nouveau basically unusable after a while for normal 2D
desktop work.


Regards,
Dennis

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Old 04-09-2008, 05:24 PM
Bruno Wolff III
 
Default kernel drm bugs and regressions (mga, savage users please test)

On Tue, Apr 08, 2008 at 18:19:20 +1000,
Dave Airlie <airlied@redhat.com> wrote:
>
> I'd really like feedback from nouveau, radeon, savage and mga people
> that have working DRI now, and to let me know via a bug if the new
> kernel regresses that or oopses after 211 in the drm code.

My work machine's (with a FireGL V3400) oddities are still there when running
204, so they aren't problems introduced with the 212 kernel.

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