[Bug 112363] [CI][BAT]igt at i915_selftest@live_execlists - incomplete - i915_request_retire: bcs0 fence 18b59:382, current 382

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=112363

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
We have to look at the pstore to get the final death throes...

<0>[  534.577515] i915_sel-5332    7d..1 521975229us : trace_ports: vcs1:
submit { 19005:2, 19004:2 }
<0>[  534.577567]   <idle>-0       1..s1 521975268us : process_csb: vcs1 cs-irq
head=5, tail=0
<0>[  534.577619]   <idle>-0       1..s1 521975269us : process_csb: vcs1
csb[0]: status=0x00000802:0x00000060
<0>[  534.577670]   <idle>-0       1..s1 521975270us : trace_ports: vcs1:
preempted { 19004:2*, 0:0 }
<0>[  534.577719]   <idle>-0       1..s1 521975271us : trace_ports: vcs1:
promote { 19005:2!, 19004:2 }
<0>[  534.577784] i915_sel-5332    7.... 521975305us : i915_request_retire:
vcs1 fence 19004:2, current 2
<0>[  534.577836] i915_sel-5332    7.... 521975308us : intel_context_unpin:
vcs1 context:19004 retire
<0>[  534.577886] i915_sel-5332    7.... 521975311us : __intel_context_retire:
vcs1 context:19004 retire
<0>[  534.577944]   <idle>-0       1..s1 521975324us : assert_pending_valid:
Unpinned context:19004 in pending[1]
<0>[  534.577997]   <idle>-0       1..s1 521975329us : process_csb:
process_csb:2166 GEM_BUG_ON(!assert_pending_valid(execlists, "promote"))
<0>[  534.578002] ---------------------------------

Which looks like a valid race in the debug; that is the HW managed to complete
and we processed that completion on another CPU, before we were able to perform
our assertions!

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