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

[bugzilla-daemon at freedesktop.org]

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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