** Changed in: oem-priority
Assignee: (unassigned) => Cyrus Lien (cyruslien)
** Changed in: oem-priority
Importance: Undecided => High
** Changed in: oem-priority
Status: New => Confirmed
** Description changed:
Summary: System won't enter suspend after idle over 20 minutes
Steps to reproduce:
1. install manifest and boot into OS
2. idle system for 20 mins
Expected result:
System could enter suspend after idle over 20 minutes
Actual result:
System won't enter suspend after idle over 20 minutes
Failure rate: 3/3
Dmesg:
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123341] clocksource:
timekeeping watchdog on CPU3: Marking clocksource 'tsc' as unstable because the
skew is too large:
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123365] clocksource: 'hpet'
wd_now: e336cfbb wd_last: e2e9b5c5 mask: ffffffff
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123370] clocksource: 'tsc'
cs_now: 6299ac5acc cs_last: 6250285866 mask: ffffffffffffffff
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123377] tsc: Marking TSC
unstable due to clocksource watchdog
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123486] TSC found unstable
after boot, most likely due to broken BIOS. Use 'tsc=unstable'.
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123491] sched_clock: Marking
unstable (158972862012, 149405080)<-(159105581047, 17903053)
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.122862] clocksource: Switched
to clocksource hpet
+
+
+ Upstream bug:
+ https://bugzilla.kernel.org/show_bug.cgi?id=203183
** Description changed:
Summary: System won't enter suspend after idle over 20 minutes
Steps to reproduce:
1. install manifest and boot into OS
2. idle system for 20 mins
Expected result:
System could enter suspend after idle over 20 minutes
Actual result:
System won't enter suspend after idle over 20 minutes
Failure rate: 3/3
Dmesg:
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123341] clocksource:
timekeeping watchdog on CPU3: Marking clocksource 'tsc' as unstable because the
skew is too large:
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123365] clocksource: 'hpet'
wd_now: e336cfbb wd_last: e2e9b5c5 mask: ffffffff
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123370] clocksource: 'tsc'
cs_now: 6299ac5acc cs_last: 6250285866 mask: ffffffffffffffff
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123377] tsc: Marking TSC
unstable due to clocksource watchdog
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123486] TSC found unstable
after boot, most likely due to broken BIOS. Use 'tsc=unstable'.
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.123491] sched_clock: Marking
unstable (158972862012, 149405080)<-(159105581047, 17903053)
Jan 30 03:04:47 u-Precision-5540 kernel: [ 159.122862] clocksource: Switched
to clocksource hpet
-
Upstream bug:
https://bugzilla.kernel.org/show_bug.cgi?id=203183
+ lkml patch:
+ https://lkml.org/lkml/2019/4/10/167
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https://bugs.launchpad.net/bugs/1839818
Title:
System won't enter suspend after idle over 20 minutes (TSC unstable)
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