[Bug 98706] New: GPU hang after resume from hibernation on ThinkPad x230

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98706

            Bug ID: 98706
           Summary: GPU hang after resume from hibernation on ThinkPad
                    x230
           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: eugene.shatokhin at rosalab.ru
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 127950
  --> https://bugs.freedesktop.org/attachment.cgi?id=127950&action=edit
Gzipped contents of /sys/class/drm/card0/error

When the system resumes from hibernate on my ThinkPad x230, GPU hang is
reported in dmesg and the X11 server restarts.

So far the problem happens only if I use "modesetting" X11 driver and does not
occur if I use the Intel's X11 driver.

OS: ROSA Linux x86_64
GPU: VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor
Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])

Kernel: I checked version 4.8.6 and 4.8.7 (4.8.6-nrj-desktop-1rosa-x86_64,
4.8.7-nrj-desktop-1rosa-x86_64).

X11 server: 1.17.4

I have been using kernel 4.8.6 and "modesetting" X11 driver for about a week
now, hibernated and resumed the laptop a dozen times without any problems.
Since yesterday, however, GPU hang happens each time I resume the laptop from
hibernation.

By the way, I used the following file in /etc/xorg/conf.d to switch to
"modesetting" X11 driver:
51-modesetting.conf:
--------------------
Section "Device"
        Identifier  "Device0"
        Driver      "modesetting"
        Option      "AccelMethod"    "glamor"
EndSection
--------------------

I switched to the Intel's X11 driver (git rev. 8f33f80 as of 2016-09-23) and
the problem does not show up anymore. When I switched back to "modesetting"
driver, the problem appeared again.

I tried kernel 4.8.7 - the results are the same as for 4.8.6.

>From dmesg after the problem happened:
-------------------
[  514.736258] [drm] GPU HANG: ecode 7:0:0x85fffffa, in X [16159], reason: Hang
on render ring, action: reset
[  514.736259] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  514.736259] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  514.736259] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  514.736260] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  514.736260] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  514.736301] drm/i915: Resetting chip after gpu hang
[  525.744243] drm/i915: Resetting chip after gpu hang
-------------------

Full dmesg: https://linux-hardware.org/index.php?probe=0f9af40d17&log=dmesg

lspci: https://linux-hardware.org/index.php?probe=0f9af40d17&log=lspci_all

Other info about the hardware and the system:
https://linux-hardware.org/index.php?probe=0f9af40d17

Before the problem started to occur, if that matters, I updated mesa (12.0.3 =>
12.0.4), cpupower and installed kernel 4.8.7 alongside 4.8.6.

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