Nouveau - Feb 2009 - [Bug 20065] New: crash when moving a window outside the screen

http://bugs.freedesktop.org/show_bug.cgi?id=20065

           Summary: crash when moving a window outside the screen
           Product: xorg
           Version: 7.4
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: debian at oursours.net
         QAContact: xorg-team at lists.x.org


Created an attachment (id=22827)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=22827)
crashing X

I've tested it with heads 30848dd378d05917c646a24df404846e6f9b2352 and
15ccf721791fa4f61784ad00449630c6d2496328.

When I move a window using the Alt key (on Gnome) and the window get past the
upper edge, X is crashing. I get back to the VT then GDM respawns.

It is reproducible will all types of applications: gnome-terminal, Tk,
Firefox...

I'm using a NV50 (GeForce 8400M GS).

I attach the log of the crashing X.

By the way, I've just noticed gnome-terminal is lighting fast now, I address
a
big thank you to the team.


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Maarten Maathuis <madman2003 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|crash when moving a window  |crash when moving a window
                   |outside the screen          |outside the screen (ShadowFB
                   |                            |NoAccel)




--- Comment #1 from Maarten Maathuis <madman2003 at gmail.com>  2009-02-11
09:38:11 PST ---
You're running in shadowfb mode, which means software acceleration.

This is probably a result of lacking the kernel modules.

Without a proper backtrace it's hard to tell what is the problem, it may
very
well not be a nouveau problem. gdb can probably get a better backtrace.


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--- Comment #2 from Herv? Cauwelier <debian at oursours.net>  2009-02-11
09:51:38 PST ---
You're right, the nouveau module is not loaded. I'm very surprised, I
track
both nouveau and drm using git.

I'll first fix the module issue and come back.

Sigh, I hope the sudden speed of gnome-terminal is not related to this.


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Herv? Cauwelier <debian at oursours.net> changed:

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




--- Comment #3 from Herv? Cauwelier <debian at oursours.net>  2009-02-11
10:07:46 PST ---
You're right, I was not using the nouveau module. I've probably updated
the
kernel recently and forgot to overwrite the drm module.

Closing as I won't take the time to debug with gdb.


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