[Bug 25246] New: NV17 on ppc and Apple Cinema Display fails to set mode

[Bug 25246] New: NV17 on ppc and Apple Cinema Display fails to set mode

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25246

           Summary: NV17 on ppc and Apple Cinema Display fails to set mode
           Product: xorg
           Version: 7.4
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: junlingm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


Created an attachment (id=31421)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=31421)
X logs and kernel logs with and without modeset=1

With modeset=1, the kernel segfaults, the X server segfault. With modeset=0,
the kernel works fine, the X server does not complain, but the screen is black.
I can switch VT and go to text mode. But X is always black.


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[Bug 25246] NV17 on ppc and Apple Cinema Display fails to set mode

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25246





--- Comment #1 from Francisco Jerez <currojerez-sGOZH3hwPm2sTnJN9+BGXg@public.gmane.org>  2009-11-23 15:03:44 PST ---
Created an attachment (id=31424)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=31424)
i2c_mac_brain_damage.patch

Does the attached patch improve things?


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[Bug 25246] NV17 on ppc and Apple Cinema Display fails to set mode

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25246





--- Comment #2 from Junling Ma <junlingm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-11-23 15:34:48 PST ---
Created an attachment (id=31427)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=31427)
The X server log after applying the patch


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[Bug 25246] NV17 on ppc and Apple Cinema Display fails to set mode

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25246





--- Comment #3 from Junling Ma <junlingm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-11-23 15:35:26 PST ---
Created an attachment (id=31428)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=31428)
The kernel log with the patch and kernel modesetting


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[Bug 25246] NV17 on ppc and Apple Cinema Display fails to set mode

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25246





--- Comment #4 from Junling Ma <junlingm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-11-23 15:37:52 PST ---
With the patch the kernel modesetting works before starting X. The nouveaufb
works too. After starting X, the screen is completely black, switching VT does
not work. I need to ssh in and kill the X process. But that still does not
bring back the VT.


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[Bug 25246] NV17 on ppc and Apple Cinema Display fails to set mode

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25246





--- Comment #5 from Junling Ma <junlingm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-11-23 16:28:50 PST ---
Created an attachment (id=31429)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=31429)
detailed kernel log with kms


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[Bug 25246] NV17 on ppc and Apple Cinema Display fails to set mode

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25246





--- Comment #6 from Francisco Jerez <currojerez-sGOZH3hwPm2sTnJN9+BGXg@public.gmane.org>  2009-11-28 09:00:53 PST ---
(In reply to comment #4)
> With the patch the kernel modesetting works before starting X. The nouveaufb
> works too. After starting X, the screen is completely black, switching VT does
> not work. I need to ssh in and kill the X process. But that still does not
> bring back the VT.
> 

X is probably locking up somewhere. Something you could try is attaching a gdb
to it to get a backtrace.


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[Bug 25246] NV17 on ppc and Apple Cinema Display fails to set mode

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=25246

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

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

--- Comment #7 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
It appears that this bug report has laid dormant for quite a while. Sorry we
haven't gotten to it. Since we fix bugs all the time, chances are pretty good
that your issue has been fixed with the latest software. Please give it a shot.
(Linux kernel 3.10.7, xf86-video-nouveau 1.0.9, mesa 9.1.6, or their git
versions.) If upgrading to the latest isn't an option for you, your distro's
bugzilla is probably the right destination for your bug report.

In an effort to clean up our bug list, we're pre-emptively closing all bugs
that haven't seen updates since 2011. If the original issue remains, please
make sure to provide fresh info, see http://nouveau.freedesktop.org/wiki/Bugs/
for what we need to see, and re-open this one.

Thanks,

The Nouveau Team

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