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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [HSW] stuck on render ring (screen is repeatedly freezing)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88411#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [HSW] stuck on render ring (screen is repeatedly freezing)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88411">bug 88411</a>
from <span class="vcard"><a class="email" href="mailto:elizabethx.de.la.torre.mena@intel.com" title="Elizabeth <elizabethx.de.la.torre.mena@intel.com>"> <span class="fn">Elizabeth</span></a>
</span></b>
<pre>From error state with 4.12.3:
HEAD and ACTHD are the different, so execution was inside the batch.
head = 0x00017e30, wraps = 3
ACTHD: 0x00000000 00617e30
at ring: 0x00000000
FAULT_REG: 0x000000c7
Valid
Invalid and Unloaded PD Fault (PPGTT)
Address 0x00000000
Source ID 24
hangcheck action: dead
Last command executed IPEHR: 0x7a000002
ring (rcs) at 0x00000000_00002000; HEAD points to: 0x00000000_00019e30
0x00002000: 0x7a000002: PIPE_CONTROL
0x00002004: 0x00100002: no write, cs stall, stall at scoreboard,
0x00002008: 0x00000000:
0x0000200c: 0x00000000:
0x00002010: 0x7a000002: PIPE_CONTROL
0x00002014: 0x01154c1e: qword write, cs stall, tlb invalidate,
instruction cache invalidate, texture cache invalidate, vf fetch invalidate,
constant cache invalidate, state cache invalidate, stall at scoreboard,
0x00002018: 0x7fdee080:
0x0000201c: 0x00000000:
0x00002020: 0x18802100: MI_BATCH_BUFFER_START
0x00002024: 0x7fde1000: dword 1
0x00002028: 0x7a000002: PIPE_CONTROL
0x0000202c: 0x001010a1: no write, cs stall, render target cache flush,
PIPE_CONTROL flush, DC flush, depth cache flush,
0x00002030: 0x7fdee080:
0x00002034: 0x00000000:
0x00002038: 0x11000001: MI_LOAD_REGISTER_IMM
0x0000203c: 0x00022040: dword 1
0x00002040: 0x00000db4: dword 2
0x00002044: 0x11000001: MI_LOAD_REGISTER_IMM
0x00002048: 0x00012044: dword 1
0x0000204c: 0x00000db4: dword 2
0x00002050: 0x11000001: MI_LOAD_REGISTER_IMM
0x00002054: 0x0001a044: dword 1
0x00002058: 0x00000db4: dword 2
0x0000205c: 0x00000000: MI_NOOP
0x00002060: 0x10800001: MI_STORE_DATA_INDEX
0x00002064: 0x000000c0: index
0x00002068: 0x00000db4: dword
0x0000206c: 0x01000000: MI_USER_INTERRUPT
0x00002070: 0x7a000002: PIPE_CONTROL
0x00002074: 0x00100002: no write, cs stall, stall at scoreboard,
0x00002078: 0x00000000:
0x0000207c: 0x00000000:
0x00002080: 0x7a000002: PIPE_CONTROL
0x00002084: 0x01154c1e: qword write, cs stall, tlb invalidate,
instruction cache invalidate, texture cache invalidate, vf fetch invalidate,
constant cache invalidate, state cache invalidate, stall at scoreboard,
0x00002088: 0x7fdee080:
0x0000208c: 0x00000000:
This sequence repeats through all the log.</pre>
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