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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU hang when played video with acceleration (vaapi)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106430#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU hang when played video with acceleration (vaapi)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106430">bug 106430</a>
from <span class="vcard"><a class="email" href="mailto:mikhail.v.gavrilov@gmail.com" title="mikhail.v.gavrilov@gmail.com">mikhail.v.gavrilov@gmail.com</a>
</span></b>
<pre>A very strange coincidence:
Every time I reproduce the described bug case with GPU hangup while playing a
video with VAAPI acceleration.
The following messages will appear in the kernel log after reboot:
[ 0.059000] mce: [Hardware Error]: Machine check events logged
[ 0.059000] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 4:
fe00000000800400
[ 0.059000] mce: [Hardware Error]: TSC 0 ADDR ffffffffc07f31d5 MISC
ffffffffc07f31d5
[ 0.059000] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1527195880 SOCKET
0 APIC 0 microcode 24
[ 0.059000] Performance Events: PEBS fmt2+, Haswell events, 16-deep LBR,
full-width counters, Intel PMU driver.
[ 0.059000] ... version: 3
[ 0.059000] ... bit width: 48
[ 0.059000] ... generic registers: 4
[ 0.059000] ... value mask: 0000ffffffffffff
[ 0.059000] ... max period: 00007fffffffffff
[ 0.059000] ... fixed-purpose events: 3
[ 0.059000] ... event mask: 000000070000000f
[ 0.059000] Hierarchical SRCU implementation.
[ 0.059692] NMI watchdog: Enabled. Permanently consumes one hw-PMU counter.
[ 0.059740] smp: Bringing up secondary CPUs ...
[ 0.060031] x86: Booting SMP configuration:
[ 0.060035] .... node #0, CPUs: #1
[ 0.061563] mce: [Hardware Error]: Machine check events logged
[ 0.061567] mce: [Hardware Error]: CPU 1: Machine Check: 0 Bank 3:
be00000000800400
[ 0.061583] mce: [Hardware Error]: TSC 0 ADDR ffffffff957932bb MISC
ffffffff957932bb
[ 0.061602] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1527195880 SOCKET
0 APIC 2 microcode 24
[ 0.061684] #2
[ 0.063341] mce: [Hardware Error]: CPU 2: Machine Check: 0 Bank 3:
be00000000800400
[ 0.063341] mce: [Hardware Error]: TSC 0 ADDR ffffffffc02bd4e1 MISC
ffffffffc02bd4e1
[ 0.063341] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1527195880 SOCKET
0 APIC 4 microcode 24
[ 0.063471] #3
[ 0.065119] mce: [Hardware Error]: CPU 3: Machine Check: 0 Bank 3:
be00000000800400
[ 0.065125] mce: [Hardware Error]: TSC 0 ADDR ffffffffc07f31d5 MISC
ffffffffc07f31d5
[ 0.065144] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1527195880 SOCKET
0 APIC 6 microcode 24
[ 0.065255] #4 #5 #6 #7</pre>
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