[Nouveau] [Bug 78361] New: [NVD9] Screen frozen on resume from suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78361

          Priority: medium
            Bug ID: 78361
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NVD9] Screen frozen on resume from suspend
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: R.Palmer at bham.ac.uk
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 98591
  --> https://bugs.freedesktop.org/attachment.cgi?id=98591&action=edit
kernel logs

After resume from suspend, the screen shows part but not all of its pre-suspend
contents (most often the menu used to enter suspend) on a black background, or
sometimes garbage or all-black, instead of the password entry screen.  This
does not happen on resume from screen lock.

I haven't tried entering my password, as I can't see what I might be giving it
to; Alt+SysRq+b reboot works.

Ubuntu Trusty (libdrm-nouveau 2.4.52, xserver-xorg-video-nouveau 1.0.10, mesa
10.1.0); kernels 3.13 (default), 3.14rc8 (git as of 26 Mar), 3.11 and 3.8 are
all affected.

This is the same machine as bug 71659, but the system logs don't have its error
message.

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