Nouveau - Jun 2014 - [Bug 79988] New: Suspend to ram stoped to work

https://bugs.freedesktop.org/show_bug.cgi?id=79988

          Priority: medium
            Bug ID: 79988
          Assignee: nouveau at lists.freedesktop.org
           Summary: Suspend to ram stoped to work
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: marccollin7379 at gmail.com
          Hardware: Other
            Status: NEW
           Version: 7.6 (2010.12)
         Component: Driver/nouveau
           Product: xorg

Created attachment 100983
  --> https://bugs.freedesktop.org/attachment.cgi?id=100983&action=edit
/var/log/messages

I use suse 13.1
xorg 7.6.1
mesa 10.2.1

Since kernel 3.15, suspend to ram don't work.

I seem to suspend and come back directly

I get this messages

nouveau  [     DRM] suspending display...
nouveau  [     DRM] unpinning framebuffer(s)...
nouveau  [     DRM] evicting buffers...
nouveau  [     DRM] waiting for kernel channels to go idle...
nouveau  [     DRM] suspending client object trees...
nouveau  [     DRM] suspending kernel object tree...
nouveau E[   PDISP][0000:01:00.0][0xc000857c][ffff880445675dc0] fini timeout,
0xc2061008
nouveau E[   PDISP][0000:01:00.0][0xc000857c][ffff880445675dc0] failed suspend,
-16
nouveau E[     DRM] 0xd1500000:0xd15c7c00 suspend failed with -16
nouveau E[     DRM] 0xdddddddd:0xd1500000 suspend failed with -16
nouveau E[     DRM] 0xffffffff:0xdddddddd suspend failed with -16
nouveau E[     DRM] 0xffffffff:0xffffffff suspend failed with -16
nouveau  [     DRM] resuming display...
pci_pm_suspend(): nouveau_pmops_suspend+0x0/0xb0 [nouveau] returns -16
dpm_run_callback(): pci_pm_suspend+0x0/0x140 returns -16
PM: Device 0000:01:00.0 failed to suspend async: error -16
PM: Some devices failed to suspend, or early wake event detected

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Tom Li <biergaizi at member.fsf.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Suspend to ram stoped to    |Suspend to ram doesn't work
                   |work                        |since Linux 3.15.

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Tom Li <biergaizi at member.fsf.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Suspend to ram doesn't work |Suspend to ram doesn't
work
                   |since Linux 3.15.           |since Linux 3.15

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Suspend to ram doesn't work |[NVC1] Suspend to ram
                   |since Linux 3.15            |doesn't work since Linux
                   |                            |3.15

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--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Bisect would be great. There were a ton of PDISP changes that went in, but they
were largely no-ops (things to make debugging easier, etc).

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Marc Collin <marccollin7379 at gmail.com> changed:

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

--- Comment #2 from Marc Collin <marccollin7379 at gmail.com> ---
i updated to 3.15.1 and i suspend to ram work again.

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--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to comment #2)
> i updated to 3.15.1 and i suspend to ram work again.
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/log/?id=refs/tags/v3.15.1

Seems unlikely that one of those commits would have fixed anything vs 3.15...
issue is probably still there, just doesn't repro 100% of the time.

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