[Bug 104998] [CI] [SNB only] igt at gem_eio@in-flight-contexts - dmesg-fail - Failed assertion: !wedged

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104998

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
The mystery of the blocked reset:

<7>[  233.281192] [drm:i915_reset_device [i915]] resetting chip
<5>[  233.281263] i915 0000:00:02.0: Resetting chip after gpu hang
<3>[  238.981967] i915 0000:00:02.0: i915_reset_device timed out, cancelling
all in-flight rendering.
<7>[  238.982015] i915_gem_set_wedged rcs0
<7>[  238.982019] i915_gem_set_wedged   current seqno 8b, last 8b, hangcheck 8b
[6819 ms], inflight 0
<7>[  238.982023] i915_gem_set_wedged   Reset count: 0 (global 10)
<7>[  238.982027] i915_gem_set_wedged   Requests:
<7>[  238.982041] i915_gem_set_wedged   RING_START: 0x00001000 [0x00000000]
<7>[  238.982045] i915_gem_set_wedged   RING_HEAD:  0x00005cd0 [0x00000000]
<7>[  238.982049] i915_gem_set_wedged   RING_TAIL:  0x00005cd0 [0x00000000]
<7>[  238.982054] i915_gem_set_wedged   RING_CTL:   0x0001f001
<7>[  238.982075] i915_gem_set_wedged   RING_MODE:  0x00004240 [idle]
<7>[  238.982081] i915_gem_set_wedged   ACTHD:  0x00000000_00005cd0
<7>[  238.982084] i915_gem_set_wedged   BBADDR: 0x00000000_00361004
<7>[  238.982088] i915_gem_set_wedged   DMA_FADDR: 0x00000000_00006cd0
<7>[  238.982092] i915_gem_set_wedged   IPEIR: 0x00000000
<7>[  238.982095] i915_gem_set_wedged   IPEHR: 0x01000000
<7>[  238.982105] i915_gem_set_wedged   RING_IMR: ffffffff
<7>[  238.982109] i915_gem_set_wedged IRQ? 0x0 (breadcrumbs? no) (execlists?
no)
<7>[  238.982112] i915_gem_set_wedged HWSP:
<7>[  238.982117] i915_gem_set_wedged 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000
<7>[  238.982120] i915_gem_set_wedged *
<7>[  238.982124] i915_gem_set_wedged 000000c0 0000008b 00000000 00000000
00000000 00000000 00000000 00000000 00000000
<7>[  238.982128] i915_gem_set_wedged 000000e0 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000
<7>[  238.982131] i915_gem_set_wedged *
<7>[  238.982147] i915_gem_set_wedged Idle? yes
<7>[  238.982150] i915_gem_set_wedged bcs0
<7>[  238.982154] i915_gem_set_wedged   current seqno 47, last 47, hangcheck 47
[15447 ms], inflight 0
<7>[  238.982157] i915_gem_set_wedged   Reset count: 0 (global 10)
<7>[  238.982160] i915_gem_set_wedged   Requests:
<7>[  238.982165] i915_gem_set_wedged   RING_START: 0x00021000 [0x00000000]
<7>[  238.982169] i915_gem_set_wedged   RING_HEAD:  0x0000d4a8 [0x00000000]
<7>[  238.982173] i915_gem_set_wedged   RING_TAIL:  0x0000e2c8 [0x00000000]
<7>[  238.982177] i915_gem_set_wedged   RING_CTL:   0x0001f001
<7>[  238.982182] i915_gem_set_wedged   RING_MODE:  0x00000000
<7>[  238.982186] i915_gem_set_wedged   ACTHD:  0x00000000_00364000
<7>[  238.982190] i915_gem_set_wedged   BBADDR: 0x00000000_00364003
<7>[  238.982193] i915_gem_set_wedged   DMA_FADDR: 0x00000000_00364100
<7>[  238.982197] i915_gem_set_wedged   IPEIR: 0x00000008
<7>[  238.982201] i915_gem_set_wedged   IPEHR: 0x18800000
<7>[  238.982205] i915_gem_set_wedged   RING_IMR: ffffffff
<7>[  238.982208] i915_gem_set_wedged IRQ? 0x0 (breadcrumbs? no) (execlists?
no)
<7>[  238.982211] i915_gem_set_wedged HWSP:
<7>[  238.982215] i915_gem_set_wedged 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000
<7>[  238.982218] i915_gem_set_wedged *
<7>[  238.982222] i915_gem_set_wedged 000000c0 00000047 00000000 00000000
00000000 00000000 00000000 00000000 00000000
<7>[  238.982226] i915_gem_set_wedged 000000e0 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000
<7>[  238.982228] i915_gem_set_wedged *
<7>[  238.982240] i915_gem_set_wedged Idle? no
<7>[  238.982243] i915_gem_set_wedged vcs0
<7>[  238.982246] i915_gem_set_wedged   current seqno 47, last 47, hangcheck 47
[6820 ms], inflight 0
<7>[  238.982249] i915_gem_set_wedged   Reset count: 0 (global 10)
<7>[  238.982252] i915_gem_set_wedged   Requests:
<7>[  238.982257] i915_gem_set_wedged   RING_START: 0x00041000 [0x00000000]
<7>[  238.982261] i915_gem_set_wedged   RING_HEAD:  0x00000fb0 [0x00000000]
<7>[  238.982265] i915_gem_set_wedged   RING_TAIL:  0x00000fb0 [0x00000000]
<7>[  238.982269] i915_gem_set_wedged   RING_CTL:   0x0001f001
<7>[  238.982274] i915_gem_set_wedged   RING_MODE:  0x00000200 [idle]
<7>[  238.982278] i915_gem_set_wedged   ACTHD:  0x00000000_00000fb0
<7>[  238.982281] i915_gem_set_wedged   BBADDR: 0x00000000_00361000
<7>[  238.982285] i915_gem_set_wedged   DMA_FADDR: 0x00000000_00041fb0
<7>[  238.982289] i915_gem_set_wedged   IPEIR: 0x00000000
<7>[  238.982292] i915_gem_set_wedged   IPEHR: 0x01000000
<7>[  238.982297] i915_gem_set_wedged   RING_IMR: ffffffff
<7>[  238.982300] i915_gem_set_wedged IRQ? 0x0 (breadcrumbs? no) (execlists?
no)
<7>[  238.982302] i915_gem_set_wedged HWSP:
<7>[  238.982306] i915_gem_set_wedged 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000
<7>[  238.982309] i915_gem_set_wedged *
<7>[  238.982313] i915_gem_set_wedged 000000c0 00000047 00000000 00000000
00000000 00000000 00000000 00000000 00000000
<7>[  238.982317] i915_gem_set_wedged 000000e0 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000
<7>[  238.982320] i915_gem_set_wedged *
<7>[  238.982331] i915_gem_set_wedged Idle? yes

Nothing on the gpu, so what was the display blocking on?

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