Comment # 3
on bug 106430
from mikhail.v.gavrilov@gmail.com
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
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