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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU HANG: ecode 8:1:0x21204b77, in X [437], reason: Hang on bcs0, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106858#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU HANG: ecode 8:1:0x21204b77, in X [437], reason: Hang on bcs0, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106858">bug 106858</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>blt command stream:
IDLE?: no
START: 0x00009000
HEAD: 0x00000068 [0x00000000]
head = 0x00000068, wraps = 0
TAIL: 0x00000130 [0x00000078, 0x00000098]
CTL: 0x00003001
len=16384, enabled
MODE: 0x00000000
HWS: 0x00004000
ACTHD: 0x00000000 0008801c
at ring: 0x00000000
IPEIR: 0x00000008
IPEHR: 0xdedfb480
INSTDONE: 0xfffffff7
busy: HS
batch: [0x00000000_00000000, 0x00000000_00001000]
BBADDR: 0x00000000_00088019
BB_STATE: 0x00000020
INSTPS: 0x00000000
INSTPM: 0x00000000
FADDR: 0x00000000 00088200
RC PSMI: 0x00000010
FAULT_REG: 0x000000c9
Valid
Invalid PTE Fault
Engine GFX
Source ID 25
SYNC_0: 0x00000000
SYNC_1: 0x00000000
SYNC_2: 0x00000000
GFX_MODE: 0x00008000
PDP0: 0x000000007bfd9000
PDP1: 0x000000007bfe6000
PDP2: 0x000000007bfe6000
PDP3: 0x000000007bfe6000
seqno: 0x00000002
last_seqno: 0x00000005
waiting: yes
ring->head: 0x00000000
ring->tail: 0x00000130
hangcheck stall: yes
hangcheck action: dead
hangcheck action timestamp: 4294899752, 4725752 ms ago
engine reset count: 0
ELSP[0]: pid 437, ban score 0, seqno 2:00000005, prio 1024, emitted
4726568ms ago, head 000000e8, tail 00000130
Active context: X[437] user_handle 0 hw_id 2, prio 0, ban score 0 guilty 0
active 0
Another early batch (first user), IPEHR of garbage, a page fault. Houston we
have problem.</pre>
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