https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4746/shard-iclb2/igt@kms_vblank@pipe-a-ts-continuation-idle-hang.html

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4746/shard-iclb2/igt@i915_hangman@error-state-capture-render.html

<7> [581.404337] missed_breadcrumb rcs0 missed breadcrumb at intel_breadcrumbs_hangcheck+0x51/0x70 [i915]
<7> [581.404408] missed_breadcrumb \x09current seqno 0, last 1, hangcheck 0 [4264 ms]
<7> [581.404428] missed_breadcrumb \x09Reset count: 0 (global 0)
<7> [581.404446] missed_breadcrumb \x09Requests:
<7> [581.404468] missed_breadcrumb \x09\x09first  1 [47d:1] prio=3 @ 4264ms: i915_hangman[1867]/0
<7> [581.404489] missed_breadcrumb \x09\x09last   1 [47d:1] prio=3 @ 4264ms: i915_hangman[1867]/0
<7> [581.404504] missed_breadcrumb \x09\x09active 1 [47d:1] prio=3 @ 4264ms: i915_hangman[1867]/0
<7> [581.404526] missed_breadcrumb \x09\x09ring->start:  0x007f4000
<7> [581.404548] missed_breadcrumb \x09\x09ring->head:   0x00000000
<7> [581.404563] missed_breadcrumb \x09\x09ring->tail:   0x00000068
<7> [581.404577] missed_breadcrumb \x09\x09ring->emit:   0x00000070
<7> [581.404591] missed_breadcrumb \x09\x09ring->space:  0x00003f50
<7> [581.404607] missed_breadcrumb [head 0000, postfix 0048, tail 0070, batch 0x00000000_00040000]:
<7> [581.404654] missed_breadcrumb [0000] 7a000004 01144c1c fffff080 00000000 00000000 00000000 04000001 18800101
<7> [581.404672] missed_breadcrumb [0020] 00040000 00000000 04000000 00000000 7a000004 001010a1 fffff080 00000000
<7> [581.404687] missed_breadcrumb [0040] 00000000 00000000 7a000004 01104000 fffe00c0 00000000 00000001 00000000
<7> [581.404698] missed_breadcrumb [0060] 01000000 04000001 02800000 00000000
<7> [581.404747] missed_breadcrumb \x09RING_START: 0x007f4000
<7> [581.404766] missed_breadcrumb \x09RING_HEAD:  0x00000028
<7> [581.404783] missed_breadcrumb \x09RING_TAIL:  0x00000068
<7> [581.404801] missed_breadcrumb \x09RING_CTL:   0x00003001
<7> [581.404818] missed_breadcrumb \x09RING_MODE:  0x00000000
<7> [581.404829] missed_breadcrumb \x09RING_IMR: 00000000
<7> [581.404853] missed_breadcrumb \x09ACTHD:  0x00000000_00040040
<7> [581.404877] missed_breadcrumb \x09BBADDR: 0x00000000_00040f01
<7> [581.404897] missed_breadcrumb \x09DMA_FADDR: 0x00000000_00040ac0
<7> [581.404908] missed_breadcrumb \x09IPEIR: 0x00000000
<7> [581.404928] missed_breadcrumb \x09IPEHR: 0x18800101
<7> [581.404947] missed_breadcrumb \x09Execlist status: 0x00001098 00000040
<7> [581.404967] missed_breadcrumb \x09Execlist CSB read 3, write 3 [mmio:3], tasklet queued? no (enabled)
<7> [581.404984] missed_breadcrumb \x09\x09ELSP[0] count=1, ring->start=007f4000, rq: 1 [47d:1] prio=3 @ 4264ms: i915_hangman[1867]/0
<7> [581.404999] missed_breadcrumb \x09\x09ELSP[1] idle
<7> [581.405011] missed_breadcrumb \x09\x09HW active? 0x5
<7> [581.405026] missed_breadcrumb \x09\x09E 1 [47d:1] prio=3 @ 4264ms: i915_hangman[1867]/0
<7> [581.405037] missed_breadcrumb \x09\x09Queue priority: -2147483648
<7> [581.405050] missed_breadcrumb \x09i915_hangman [1867:S] waiting for 1
<7> [581.405069] missed_breadcrumb IRQ? 0x1 (breadcrumbs? yes)
<7> [581.405082] missed_breadcrumb HWSP:
<7> [581.405100] missed_breadcrumb [0000] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
<7> [581.405109] missed_breadcrumb *
<7> [581.405124] missed_breadcrumb [0040] 10000018 00000040 10000001 00000000 10000018 00000000 10000001 00000000
<7> [581.405140] missed_breadcrumb [0060] 10000018 00000000 10000001 00000000 00000000 00000000 00000000 00000000
<7> [581.405154] missed_breadcrumb [0080] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
<7> [581.405170] missed_breadcrumb [00a0] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000003
<7> [581.405185] missed_breadcrumb [00c0] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
<7> [581.405193] missed_breadcrumb *
<7> [581.405204] missed_breadcrumb Idle? no