Nouveau - Apr 2010 - [Bug 27720] New: Hard Hang on suspend - 8600M GS

https://bugs.freedesktop.org/show_bug.cgi?id=27720

           Summary: Hard Hang on suspend - 8600M GS
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: jimsantelmo at gmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=35138)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35138)
Nouveau dmesg chatter

Hard hang on suspend. X not involved; happens in single-user with nouveau
loaded and providing framebuffer console, suspend done via pm-suspend (also
hangs in X if suspend attempted).

  System locked up, no response to alt-sysrq magic keys, full CPU burn (judging
from fan). Nouveau-related dmesg chatter attached; more info on request.

  Other than that, driver performs well for ordinary use. Chip runs hotter and
fan-speed stays higher, but visuals are about the same as the proprietary
nvidia driver.

  Machine is an Everex laptop, Turion X2 x68-64, nvidia chipset.

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Jim Bray <jimsantelmo at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #35138|0                           |1
        is obsolete|                            |

--- Comment #1 from Jim Bray <jimsantelmo at gmail.com> 2010-04-17
22:57:28 PDT ---
Created an attachment (id=35139)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35139)
Nouveau dmesg chatter, text format

 Also: all components including kernel pulled from git and built today.

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--- Comment #2 from Xavier <shiningxc at gmail.com> 2010-04-18 01:24:35
PDT ---
Can't you see the full kernel logs in /var/log/ after rebooting ?
Complete logs from boot up to to the point where the machine locked up could be
useful.

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Jim Bray <jimsantelmo at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #35139|0                           |1
        is obsolete|                            |

--- Comment #3 from Jim Bray <jimsantelmo at gmail.com> 2010-04-18
09:55:12 PDT ---
Created an attachment (id=35141)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35141)
Complete dmesg, minimal kernel, some debugging enabled

  I made a minimal-testbed kernel, with some debugging enabled, brought it up
to single-user, copied the dmesg, did pm-suspend, waited a while, pushed
reboot.

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--- Comment #4 from Jim Bray <jimsantelmo at gmail.com> 2010-04-18
09:57:13 PDT ---
Created an attachment (id=35142)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35142)
pm-suspend.log

 Found pm-suspend.log in /var/log. dmesg and kernal messages apparently
aren't
saved to disk in single-user before the pm-suspend hangs the system.

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--- Comment #5 from Jim Bray <jimsantelmo at gmail.com> 2010-04-19
20:17:46 PDT ---
  I booted with the "no_console_suspend" parameter and got a little
more info:

[DRM] nouveau <suspend chatter>
[DRM] nouveau 0000:05:00.0 And we're gone!
nouveau 0000:05:00.0 PCI INT A Disabled

(machine hangs with full cpu burn)

  This is with a minimal testbed kernel.

  I tried putting a return(-ENODEV) in the top of nouveau_drv.c::pm_suspend(),
and the machine still hung.

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--- Comment #6 from Jim Bray <jimsantelmo at gmail.com> 2010-04-20
19:38:30 PDT ---
Created an attachment (id=35192)
 View: https://bugs.freedesktop.org/attachment.cgi?id=35192
 Review: https://bugs.freedesktop.org/review?bug=27720&attachment=35192

Very crude hacks that appear to sort of work

  I have done some printk-debugging, and come up with some preliminary results
and a patch that works in my minimal testbed kernel, suspending the fb-console
in single-user and resuming multiple times. It appears that
acquire_console_sem() may be hanging things, and it is pretty clear that one or
more of the pci calls, such as pci_set_power_state(pdev, PCI_D3hot), are
hanging. I'll see if this works multi-user suspending from X.

  This is *not* recommended as a patch, just as an indication of where the
problems may lie.

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--- Comment #7 from Jim Bray <jimsantelmo at gmail.com> 2010-04-20
20:12:29 PDT ---
  I applied this patch to my working nouveau git kernel, and it is working well
enough that I suspended and resumed after the comma in this sentence, which
makes nouveau fully usable for my purposes. Hopefully a proper fix will be
developed at some point.

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

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

--- Comment #8 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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