[Bug 111022] New: screen remains black upon resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111022

            Bug ID: 111022
           Summary: screen remains black upon resume
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: freedesktop.org at nverbeek.dds.nl
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 144681
  --> https://bugs.freedesktop.org/attachment.cgi?id=144681&action=edit
gpu crash dump

# dmesg -T
[...]
[Sat Jun 29 10:24:11 2019] [drm] GPU HANG: ecode 8:0:0x708ee40b, in Xorg
[1134], reason: Hang on render ring, action: reset
[Sat Jun 29 10:24:11 2019] [drm] GPU hangs can indicate a bug anywhere in the
entire gfx stack, including userspace.
[Sat Jun 29 10:24:11 2019] [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
[Sat Jun 29 10:24:11 2019] [drm] drm/i915 developers can then reassign to the
right component if it's not a kernel issue.
[Sat Jun 29 10:24:11 2019] [drm] The gpu crash dump is required to analyze gpu
hangs, so please always attach it.
[Sat Jun 29 10:24:11 2019] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
[Sat Jun 29 10:24:11 2019] drm/i915: Resetting chip after gpu hang
[Sat Jun 29 10:24:22 2019] drm/i915: Resetting chip after gpu hang
[...]

# uname -a ; lsb_release -dr ; lspci -v -s 00:02.0
Linux zadel 4.9.0-9-amd64 #1 SMP Debian 4.9.168-1+deb9u3 (2019-06-16) x86_64
GNU/Linux
Description:    Debian GNU/Linux 9.9 (stretch)
Release:        9.9
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
(prog-if 00 [VGA controller])
        Subsystem: Lenovo HD Graphics 5500
        Flags: bus master, fast devsel, latency 0, IRQ 47
        Memory at e0000000 (64-bit, non-prefetchable) [size=16M]
        Memory at c0000000 (64-bit, prefetchable) [size=512M]
        I/O ports at 3000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [d0] Power Management version 2
        Capabilities: [a4] PCI Advanced Features
        Kernel driver in use: i915
        Kernel modules: i915

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