[Bug 94691] New: GPU HANG: ecode 9:0:0x87f93ff9 on Skylake with intel-next kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94691

            Bug ID: 94691
           Summary: GPU HANG: ecode 9:0:0x87f93ff9  on Skylake with
                    intel-next kernel
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: myemailu at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 122528
  --> https://bugs.freedesktop.org/attachment.cgi?id=122528&action=edit
GPU crashdump

hardware: intel-next kernel (commit f5d413cccefa1f93d64c34f357151d42add63a84
)

on Intel NUC6i5 (skylake) hardware, with newest firmware (DMC fw version: 1.26)

/proc/cpuinfo:

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 78
model name      : Intel(R) Core(TM) i5-6260U CPU @ 1.80GHz
stepping        : 3
microcode       : 0x6a
cpu MHz         : 499.992
cache size      : 4096 KB
physical id     : 0
siblings        : 4
core id         : 0
cpu cores       : 2
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 22
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2
ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt
tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb
intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2
smep bmi2 erms invpcid mpx rdseed adx smap clflushopt xsaveopt xsavec xgetbv1
dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp
bugs            :
bogomips        : 3600.33
clflush size    : 64
cache_alignment : 64
address sizes   : 39 bits physical, 48 bits virtual
power management:

GPU hangs/crashes frequently, journal message is:

Mär 24 23:46:37 linux.suse kernel: [drm] stuck on render ring
Mär 24 23:46:37 linux.suse kernel: [drm] GPU HANG: ecode 9:0:0x87f93ff9, in
plasmashell [2427], reason: Engine(s) hung, action: reset
Mär 24 23:46:37 linux.suse kernel: [drm] GPU hangs can indicate a bug anywhere
in the entire gfx stack, including userspace.
Mär 24 23:46:37 linux.suse kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Mär 24 23:46:37 linux.suse kernel: [drm] drm/i915 developers can then reassign
to the right component if it's not a kernel issue.
Mär 24 23:46:37 linux.suse kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
Mär 24 23:46:37 linux.suse kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Mär 24 23:46:37 linux.suse kernel: drm/i915: Resetting chip after gpu hang

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