[Bug 101590] New: GPU hang after resuming from hibernation

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101590

            Bug ID: 101590
           Summary: GPU hang after resuming from hibernation
           Product: DRI
           Version: XOrg git
          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: filipbalag at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 132241
  --> https://bugs.freedesktop.org/attachment.cgi?id=132241&action=edit
dmesg & lspci

There seem to be many bug reports related to this, some of them closed as
fixed, other ones marked as dupes. I'm sorry if I'm posting a dupe right now,
but since dmesg told me to create a bug report here, and since I haven't seen
this bug reported for my particular laptop - Lenovo Thinkpad T450S - I'm
posting it.

Setup: Debian 9.0 Stretch w/ KDE, fresh install. My kernel is 4.9.30-2+deb9ul.
After hibernating either via s2disk or pm-hibernate and turning it back on, the
session is frozen (except for the mouse cursor). After around 30 seconds (it
seems to vary somewhat), the screen turns black momentarily, then I'm at the
login screen - I can log in and continue using the system normally, but the
previous session is gone.

Attached is the output of dmesg after such a freeze and the output of lspci -v.
The GPU crash dump file mentioned in dmesg output is empty, for some reason.

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