* What methods or tools could be used to investigate the causes of hard or soft lockup?
@ 2020-07-11 9:04 孙世龙 sunshilong
0 siblings, 0 replies; 2+ messages in thread
From: 孙世龙 sunshilong @ 2020-07-11 9:04 UTC (permalink / raw)
To: LKML
Hi, list
I have frequently faced sort lockups and hard lockups.
Here are some example logs:
1. Watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [cantest:1669]
2. NMI watchdog: Watchdog detected hard LOCKUP on CPU 0
What methods or tools could be used to investigate the causes of hard
or soft lockups?
I have been stuck with such problems for a long time.
I would be grateful if somebody shed some light on this issue.
Any advice on how to proceed?
Thank you for your attention to this matter.
Best regards.
^ permalink raw reply [flat|nested] 2+ messages in thread
* What methods or tools could be used to investigate the causes of hard or soft lockup?
@ 2020-07-11 9:02 孙世龙 sunshilong
0 siblings, 0 replies; 2+ messages in thread
From: 孙世龙 sunshilong @ 2020-07-11 9:02 UTC (permalink / raw)
To: kernelnewbies
Hi, list
I have frequently faced sort lockups and hard lockups.
Here are some example logs:
1. Watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [cantest:1669]
2. NMI watchdog: Watchdog detected hard LOCKUP on CPU 0
What methods or tools could be used to investigate the causes of hard
or soft lockups?
I have been stuck with such problems for a long time.
I would be grateful if somebody shed some light on this issue.
Any advice on how to proceed?
Thank you for your attention to this matter.
Best regards.
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^ permalink raw reply [flat|nested] 2+ messages in thread
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