<html>
    <head>
      <base href="https://bugs.freedesktop.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [drm] GPU HANG: ecode 9:0:0x85dffffb, in Xorg [836], reason: Hang on render ring, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=101288">101288</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[drm] GPU HANG: ecode 9:0:0x85dffffb, in Xorg [836], reason: Hang on render ring, action: reset
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>XOrg git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>bjorn@mork.no
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>i915 platform</th>
          <td>SKL
          </td>
        </tr>

        <tr>
          <th>i915 features</th>
          <td>GPU hang
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=131693" name="attach_131693" title="dmesg">attachment 131693</a> <a href="attachment.cgi?id=131693&action=edit" title="dmesg">[details]</a></span>
dmesg

Getting this occasionally while zooming windows or moving graphic objects
(drawing etc).  It happens too rarely to be reproducible, but often enough to
be annoying.  The hang somehow makes X restart after repeated reset attempts.


[54034.511500] [drm] GPU HANG: ecode 9:0:0x85dffffb, in Xorg [836], reason:
Hang on render ring, action: reset
[54034.511509] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[54034.511513] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[54034.511517] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[54034.511520] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[54034.511524] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[54034.511622] drm/i915: Resetting chip after gpu hang
[54034.511708] [drm] RC6 on
[54034.527085] [drm] GuC firmware load skipped
[[54046.478860] drm/i915: Resetting chip after gpu hang
[54046.478993] [drm] RC6 on
[54046.497115] [drm] GuC firmware load skipped


System is a plain Debian stretch running on a Lenovo Thinkpad X1 Carbon 4th
gen.

bjorn@miraculix:~$ uname -a
Linux miraculix 4.9.0-3-amd64 #1 SMP Debian 4.9.25-1 (2017-05-02) x86_64
GNU/Linux

bjorn@miraculix:~$ grep . /sys/class/dmi/id/{bios,board}* 2>/dev/null 
/sys/class/dmi/id/bios_date:11/28/2016
/sys/class/dmi/id/bios_vendor:LENOVO
/sys/class/dmi/id/bios_version:N1FET47W (1.21 )
/sys/class/dmi/id/board_asset_tag:Not Available
/sys/class/dmi/id/board_name:20FB006AMN
/sys/class/dmi/id/board_vendor:LENOVO
/sys/class/dmi/id/board_version:SDK0J40697 WIN


root@miraculix:/tmp# lspci -vvvnns :2
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 520
[8086:1916] (rev 07) (prog-if 00 [VGA controller])
        Subsystem: Lenovo HD Graphics 520 [17aa:2238]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 131
        Region 0: Memory at e0000000 (64-bit, non-prefetchable) [size=16M]
        Region 2: Memory at c0000000 (64-bit, prefetchable) [size=512M]
        Region 4: I/O ports at e000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [40] Vendor Specific Information: Len=0c <?>
        Capabilities: [70] Express (v2) Root Complex Integrated Endpoint, MSI
00
                DevCap: MaxPayload 128 bytes, PhantFunc 0
                        ExtTag- RBE+
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 128 bytes, MaxReadReq 128 bytes
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
                DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-,
OBFF Not Supported
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled
        Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
                Address: fee00018  Data: 0000
        Capabilities: [d0] Power Management version 2
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [100 v1] Process Address Space ID (PASID)
                PASIDCap: Exec+ Priv-, Max PASID Width: 14
                PASIDCtl: Enable- Exec- Priv-
        Capabilities: [200 v1] Address Translation Service (ATS)
                ATSCap: Invalidate Queue Depth: 00
                ATSCtl: Enable-, Smallest Translation Unit: 00
        Capabilities: [300 v1] Page Request Interface (PRI)
                PRICtl: Enable- Reset-
                PRISta: RF- UPRGI- Stopped-
                Page Request Capacity: 00008000, Page Request Allocation:
00000000
        Kernel driver in use: i915
        Kernel modules: i915



Using modesetting driver.  Xorg.log before and after X restart is attached, as
well as full dmesg and the  /sys/class/drm/card0/error dump.</pre>
        </div>
      </p>


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