[Bug 99545] New: GPU HANG (after resuming from hibernation): ecode 9:1:0x4c32ff67, in Xorg [1902], reason: Hang on blitter ring, action: reset (kernel 4.9.0)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jan 26 06:53:02 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=99545

            Bug ID: 99545
           Summary: GPU HANG (after resuming from hibernation): ecode
                    9:1:0x4c32ff67, in Xorg [1902], reason: Hang on
                    blitter ring, action: reset (kernel 4.9.0)
           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: unki at netshadow.net
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

On returning from hibernation (suspend-to-disk) with kernel 4.9.0 the GPU seems
to get into a state of constantly hung up. A hard reboot is then required.

I had these issues with kernel 4.8.0 too until I added intel_iommu=igfx_off as
kernel cmdline parameter (by the way, Intel VT-d is disabled in BIOS).
Afterwards hibernation worked more or less smoothly (at least no GPU issues).

But now with 4.9.0, also intel_iommu=igfx_off seems to no longer to help.

Hardware: Lenovo ThinkPad X1 Carbon 4th

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07)
(prog-if 00 [VGA controller])
        Subsystem: Lenovo HD Graphics 520
        Flags: bus master, fast devsel, latency 0, IRQ 124
        Memory at e0000000 (64-bit, non-prefetchable) [size=16M]
        Memory at c0000000 (64-bit, prefetchable) [size=512M]
        I/O ports at e000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915


OS: Debian Stretch (testing) amd64

user at host:/tmp$ uname -a
Linux carbon 4.9.0-1-amd64 #1 SMP Debian 4.9.2-2 (2017-01-12) x86_64 GNU/Linux

user at host:/tmp$ sudo glxinfo | grep Mesa
client glx vendor string: Mesa Project and SGI
    Device: Mesa DRI Intel(R) HD Graphics 520 (Skylake GT2)  (0x1916)
OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 520 (Skylake GT2) 
OpenGL core profile version string: 4.5 (Core Profile) Mesa 13.0.3
OpenGL version string: 3.0 Mesa 13.0.3
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 13.0.3

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