[Bug 105212] New: nouveau driver GPU crash hung system for ~18 seconds on Fedora kernel 4.15.3-300.fc27.x86_64

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105212

            Bug ID: 105212
           Summary: nouveau driver GPU crash hung system for ~18 seconds
                    on Fedora kernel 4.15.3-300.fc27.x86_64
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jolamb at redhat.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 137533
  --> https://bugs.freedesktop.org/attachment.cgi?id=137533&action=edit
/sys/class/drm/card0/error crash dump

Taking laptop out of suspend, the UI frequently hangs a few seconds after
resume for around 18 seconds. Occasionally it will hang indefinitely and must
be rebooted, but I'm unsure if that behavior is related to the momentary hang.

While in this hung state, I can't switch to another VT. I haven't tried Magic
SysRq in this state yet.

How to reproduce:
  Put laptop into suspend
  Resume from suspend and begin typing/mousing
  After ~3-5 seconds, UI will hang

These steps reliably reproduce the issue, as far as I can tell this happens
every time.

System info:
  $ uname -rvspio
  Linux 4.15.3-300.fc27.x86_64 #1 SMP Tue Feb 13 17:02:01 UTC 2018 x86_64
x86_64 GNU/Linux

  Make/model: Asus UX303UB

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