Nouveau - Oct 2008 - [Bug 18250] New: X server crash on NV34

http://bugs.freedesktop.org/show_bug.cgi?id=18250

           Summary: X server crash on NV34
           Product: xorg
           Version: 7.3
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: lukenshiro at ngi.it
         QAContact: xorg-team at lists.x.org


Created an attachment (id=19885)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19885)
Xorg.0.log with drm.ko debug=1

I've noticed an X server crash with nouveau on a Geforce FX 5200.
(display freezes, no mouse pointer present, not responding keyboard, no
X-related process appears with "ps awux", only available access is via
ssh from
another PC).

OS: GNU/Linux - Slackware 'current' (x86)
X: Xorg-server 1.4.2 / Mesa 7.0.3 (but no 3D program has been used)
kernel: 2.6.27.4


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--- Comment #1 from lukenshiro at ngi.it  2008-10-27 13:01:26 PST ---
Created an attachment (id=19886)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19886)
/var/log/dmesg with drm.ko debug=1


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--- Comment #2 from Stuart Bennett <sb476 at cam.ac.uk>  2008-10-27
13:22:15 PST ---
Is this a regression, or is your first attempt at using nouveau on this
machine? 

Also, is it reproducible? If so, using ssh to attach gdb remotely before the
crash would help get a better back-trace (gdb /usr/bin/Xorg `pidof Xorg` , then
"cont", and after the crash "bt"). If it's a regression,
can you use git bisect
on the ddx to point to a suspect commit?


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--- Comment #3 from lukenshiro at ngi.it  2008-10-27 15:03:48 PST ---
I don't know if it's a regression: it's the 1st time I noticed this
error,
after using nouveau for about 20 hours.
I've used it before (with ~3rd Oct. and ~19th Oct.-git), but it crashed in a
few hours with "DMA queue hang", both of times, so I can't tell
when did this
one start.

At the moment I don't know if it reproducible, either. As I said it's
the first
time, and btw I've not used any graphic-intensive program (except for kde
4.1
as a desktop manager, no compiz, no 3D, no games).
But as soon as I can, after next crash, I will send a more complete gdb 
backtrace.
Thank you.


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--- Comment #4 from lukenshiro at ngi.it  2008-10-28 15:23:29 PST ---
Created an attachment (id=19919)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19919)
gdb output with bt and bt full

This is what gdb displays.

BTW I've no errors in Xorg.0.log


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--- Comment #5 from lukenshiro at ngi.it  2008-10-28 15:32:26 PST ---
Created an attachment (id=19920)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19920)
concerning lines in dmesg (last)

Before and after the "Segmentation fault" I've got these lines in
/var/log/dmesg


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lukenshiro at ngi.it changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #19885|0                           |1
        is obsolete|                            |




--- Comment #6 from lukenshiro at ngi.it  2008-10-29 06:24:22 PST ---
Created an attachment (id=19933)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19933)
Xorg.0.log

I've had another crash, but of a different kind, with last git after about
12-13 hours.

Fatal server error:
DMA queue hang: dmaPut=e0, current=ec, status=0
preceeded by:
II) NOUVEAU(0): Fifo dump (lockup 0x00ec,0x00e0):



Before and after that, repeated messages:
"""
tossed event which came in late
mieqEnequeue: out-of-order valuator event; dropping.
"""


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--- Comment #7 from lukenshiro at ngi.it  2008-10-29 06:30:17 PST ---
Created an attachment (id=19934)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19934)
dmesg (only drm-related parts)

In dmesg file I see same errors as before:
PGRAPH_ERROR - nSource: METHOD_CNT, nStatus: INVALID_STATE
[..]

preceeded by:
[drm:nouveau_fifo_free] *ERROR* Failed to idle channel 1 before destroy.Prepare
for strangeness..


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--- Comment #7 from lukenshiro at ngi.it  2008-10-29 06:30:17 PST ---
Created an attachment (id=19934)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19934)
dmesg (only drm-related parts)

In dmesg file I see same errors as before:
PGRAPH_ERROR - nSource: METHOD_CNT, nStatus: INVALID_STATE
[..]

preceeded by:
[drm:nouveau_fifo_free] *ERROR* Failed to idle channel 1 before destroy.Prepare
for strangeness..


--- Comment #8 from lukenshiro at ngi.it  2008-10-29 06:34:19 PST ---
Created an attachment (id=19935)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19935)
dmesg (only drm-related parts)

gdb backtrace


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lukenshiro at ngi.it changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #19935|dmesg (only drm-related     |backtrace
        description|parts)                      |




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--- Comment #9 from lukenshiro at ngi.it  2008-11-03 08:30:40 PST ---
I don't know if I can be helpful (maybe no: if so, sorry!), but enabling
Option "ShadowFB"
in xorg.conf file I don't see any X crash / DMA queue hang (so when
acceleration is disabled this driver seems to be stable).


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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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