Messages in this thread | | | Date | Wed, 1 Mar 2017 18:07:11 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: PPro arch_cpu_idle: NMI watchdog: Watchdog detected hard LOCKUP on cpu 1 |
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On Wed, 1 Mar 2017, Meelis Roos wrote:
> This is on my trusty IBM PC365, dual Pentium Pro. 4.10 worked fine, > 4.10.0-09686-g9e314890292c and 4.10.0-10770-g2d6be4abf514 exhibit a > problem. Ocassionally NMI watchdog kicks in and discovers one of the > CPUs in LOCKUP. The system keeps running fine. The first lockup was > different, all the others were from arch_cpu_idle. Sometime ecey couple > of seconds (after some activity), sometimes nothing for a long time > (idle, no SSH logins).
The only watchdog related patch which hit after 4.10 is:
8dcde9def5a1 kernel/watchdog.c: do not hardcode CPU 0 as the initial thread
Can you try to revert that for a start? I'm not seeing why it should be the culprit from a quick glance, but ...
Thanks,
tglx
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