[Bug 110285] Stability issue in i915 during continuous 15h transcode workload with MFE

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110285

Lakshmi <lakshminarayana.vudum at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |chris at chris-wilson.co.uk

--- Comment #6 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Oleg Makarov from comment #4)
> Created attachment 143854 [details]
> i915_error_state_on_drm_tip_1c163f4c7b

Sorry for the delay.

head !=acthd, I believe this is a Mesa bug. 

rcs0 command stream:
  IDLE?: no
  START: 0xffb39000
  HEAD:  0x000020d0 [0x00001f58]
    head = 0x000020d0, wraps = 0
  TAIL:  0x00002060 [0x00001fb8, 0x00001fd8]
  CTL:   0x00003001
    len=16384, enabled
  MODE:  0x00000000
  HWS:   0xfffce000
  ACTHD: 0x00000000 14b98144
    at ring: 0x00000000
  IPEIR: 0x00000000
  IPEHR: 0x7a000004
  INSTDONE: 0xffdcffff
    busy: CS
    busy: TSG
    busy: VFE
  SC_INSTDONE: 0xffffffff
  SAMPLER_INSTDONE[0][0]: 0xffffffff
  SAMPLER_INSTDONE[0][1]: 0xffffffff
  SAMPLER_INSTDONE[0][2]: 0xffffffff
  SAMPLER_INSTDONE[1][0]: 0xffffffff
  SAMPLER_INSTDONE[1][1]: 0xffffffff
  SAMPLER_INSTDONE[1][2]: 0xffffffff
  SAMPLER_INSTDONE[2][0]: 0xffffffff
  SAMPLER_INSTDONE[2][1]: 0xffffffff
  SAMPLER_INSTDONE[2][2]: 0xffffffff
  ROW_INSTDONE[0][0]: 0xffffffff
  ROW_INSTDONE[0][1]: 0xffffffff
  ROW_INSTDONE[0][2]: 0xffffffff
  ROW_INSTDONE[1][0]: 0xffffffff
  ROW_INSTDONE[1][1]: 0xffffffff
  ROW_INSTDONE[1][2]: 0xffffffff
  ROW_INSTDONE[2][0]: 0xffffffff
  ROW_INSTDONE[2][1]: 0xffffffff
  ROW_INSTDONE[2][2]: 0xffffffff
  batch: [0x00000000_15bb0000, 0x00000000_15bb8000]
  BBADDR: 0x00000000_14b98145
  BB_STATE: 0x00000020
  INSTPS: 0x00009080
  INSTPM: 0x00000000
  FADDR: 0x00000000 14b98300
  RC PSMI: 0x00000010
  FAULT_REG: 0x00000000
  SYNC_0: 0x00000000
  SYNC_1: 0x00000000
  SYNC_2: 0x00000000
  GFX_MODE: 0x00008000
  PDP0: 0x0000000832b1f000
  PDP1: 0x0000000000000000
  PDP2: 0x0000000000000000
  PDP3: 0x0000000000000000
  seqno: 0x1245c424
  last_seqno: 0x1245cee4
  waiting: yes
  ring->head: 0x00001d10
  ring->tail: 0x00002060
  hangcheck stall: yes
  hangcheck action: dead
  hangcheck action timestamp: 0ms (4332067992; epoch)
  engine reset count: 0
  ELSP[0]:  pid 5869, ban score 0, seqno       36:1245cee3, prio 3, emitted
-516ms, start ffb39000, head 00001fe0, tail 00002060
  ELSP[1]:  pid 5869, ban score 0, seqno       23:1245cee4, prio 3, emitted
-508ms, start ffda3000, head 00002908, tail 00002988
  Active context: sample_multi_tr[5869] user_handle 16 hw_id 54, prio 0, ban
score 0 guilty 0 active 0

Bad count in PIPE_CONTROL
0x15bb0000:      0x7a000004: PIPE_CONTROL: no write, no depth stall, no RC
write flush, no inst flush
0x15bb0004:      0x001018bc:    destination address
0x15bb0008:      0x00000000:    immediate dword low
0x15bb000c:      0x00000000:    immediate dword high
Bad count in PIPE_CONTROL
0x15bb0018:      0x7a000004: PIPE_CONTROL: no write, no depth stall, no RC
write flush, no inst flush
0x15bb001c:      0x0000089c:    destination address
0x15bb0020:      0x00000000:    immediate dword low
0x15bb0024:      0x00000000:    immediate dword high
Bad count in PIPE_CONTROL
0x15bb0030:      0x7a000004: PIPE_CONTROL: no write, no depth stall, no RC
write flush, no inst flush
0x15bb0034:      0x00104080:    destination address
0x15bb0038:      0x00017560:    immediate dword low
0x15bb003c:      0x00000000:    immediate dword high
0x15bb0048:      0x11000001: MI_LOAD_REGISTER_IMM
0x15bb004c:      0x00007034:    dword 1
0x15bb0050:      0x80000040:    dword 2
0x15bb0054:      0x69041301: 3DSTATE_PIPELINE_SELECT
Bad length 19 in STATE_BASE_ADDRESS, expected 6-10
0x15bb0058:      0x61010011: STATE_BASE_ADDRESS

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