Nouveau - May 2011 - [Bug 37796] New: 2.6.39: system freezes for 1-2 seconds

https://bugs.freedesktop.org/show_bug.cgi?id=37796

           Summary: 2.6.39: system freezes for 1-2 seconds
           Product: xorg
           Version: 7.6
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: magist3r at gmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=47400)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=47400)
kernel log

?fter upgrading to 2.6.39 system was freezing for a few seconds. After an hour
of work disabled kwin effects.

sudo /sbin/lspci | grep -i nvidia
08:00.0 VGA compatible controller: nVidia Corporation NV43 [GeForce 6600] (rev
a2)
openSUSE 11.4
kde 4.6.3
xorg 7.6-1.9.3
xorg-x11-driver-video-nouveau-0.0.16_20110115_b795ca6
libdrm-2.4.23
Mesa-7.10.2

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magist3r <magist3r at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #47400|text/x-log                  |text/plain
          mime type|                            |

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Marcin Slusarz <marcin.slusarz at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|2.6.39: system freezes for  |[NV43] 2.6.39: system
                   |1-2 seconds                 |freezes for 1-2 seconds

--- Comment #1 from Marcin Slusarz <marcin.slusarz at gmail.com>
2011-05-31 10:32:47 PDT ---
It seems to be connected to commit 7948758d27be1b69b6a79ed4f3f22e36a3b95965
"drm/nv40: implement support for on-chip PCIEGART"

It's not possible to revert this patch directly, so can you verify it by
applying attached patch?

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--- Comment #2 from Marcin Slusarz <marcin.slusarz at gmail.com>
2011-05-31 10:34:31 PDT ---
Created an attachment (id=47404)
 View: https://bugs.freedesktop.org/attachment.cgi?id=47404
 Review: https://bugs.freedesktop.org/review?bug=37796&attachment=47404

test

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--- Comment #3 from magist3r <magist3r at gmail.com> 2011-05-31 13:13:24
PDT ---
It works fine for me with this patch, thank you. In which version of kernel I
can  expect this patch?

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--- Comment #4 from magist3r <magist3r at gmail.com> 2011-05-31 13:21:02
PDT ---
Hm... No. Freezes happened again. And I have this messages again:
[  745.865807] [drm] nouveau 0000:08:00.0: vm flush timeout: 0x00000032
[  759.986271] [drm] nouveau 0000:08:00.0: vm flush timeout: 0x00000032

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Marcin Slusarz <marcin.slusarz at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marcin.slusarz at gmail.com

--- Comment #5 from Marcin Slusarz <marcin.slusarz at gmail.com>
2011-05-31 14:08:39 PDT ---
Impossible with this patch applied. You probably didn't boot the right
kernel.

And please note that this patch won't be applied to any tree/version.
It's just
a temporary workaround.

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--- Comment #6 from magist3r <magist3r at gmail.com> 2011-05-31 20:39:36
PDT ---
I've just rebuild the kernel module without rebuilding kernel. 
If it is just workaround, can I expect a real fix of this problem in future
kernel (3.0, 3.1 or?)?

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--- Comment #7 from magist3r <magist3r at gmail.com> 2011-06-03 08:01:32
PDT ---
Created an attachment (id=47477)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=47477)
kernel log (with patch)

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--- Comment #8 from magist3r <magist3r at gmail.com> 2011-06-03 08:06:50
PDT ---
magist3r at
lnx-admin:/lib/modules/2.6.39-30-desktop/kernel/drivers/gpu/drm/nouveau>
la
????? 19968
drwxr-xr-x  2 root root     4096 ???  3 21:04 .
drwxr-xr-x 13 root root     4096 ???  1 02:01 ..
-rw-r--r--  1 root root 19599018 ???  3 20:01 nouveau.ko
-rw-r--r--  1 root root   839588 ??? 21 22:59 nouveau.ko.old

As you can see, the size of new kernel module is about 20 times bigger. And I
don't now why.

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--- Comment #9 from Marcin Slusarz <marcin.slusarz at gmail.com>
2011-12-06 11:18:30 PST ---
It seems very similar patch was applied to 3.0 kernel. Can you verify it works
now?

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

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

--- Comment #10 from Ilia Mirkin <imirkin at alum.mit.edu> ---
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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