:: Re: [DNG] Is it dead yet?
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Auteur: Boian Bonev
Datum:  
Aan: dng
Onderwerp: Re: [DNG] Is it dead yet?
Hi Hendrik,

It is clearly saying that is a soft lockup, if it was a hardware problem it
would say hard lockup isn't it? </joke>

That problem really does not indicate a hardware problem, most probably a bug
in the kernel; it can also show when a kernel driver is waiting for e.g. hard
drive that is slow to respond. Try upgrading to a more recent kernel (e.g.
5.10.x or 5.14.x) - maybe the problem is already fixed there? It may also be a
temporary condition - a very rare edge case that made the kernel lockup, then a
reboot will help to clean the state...

With best regards,
b.

On Mon, 2021-10-25 at 20:28 -0400, Hendrik Boom via Dng wrote:
> I think I may have a clue to the mysterious stoppages of my server.
> I ssh'd into it today and got the following.  It is time to give up on this
> machine and replace it?
>
> -- hendrik
>
>
> hendrik@april:~$ su -
> Password:
> april:~# ps | grep lighttpd
> ^C^C
> Message from syslogd@april at Oct 25 20:15:48 ...
>  kernel:[ 5700.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [ps:9184]
>
> Message from syslogd@april at Oct 25 20:16:16 ...
>  kernel:[ 5728.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [ps:9184]
>
> Message from syslogd@april at Oct 25 20:16:52 ...
>  kernel:[ 5764.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s!
> [ps:9184]
>
>
> Message from syslogd@april at Oct 25 20:17:20 ...
>  kernel:[ 5792.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [ps:9184]
>
> Message from syslogd@april at Oct 25 20:17:56 ...
>  kernel:[ 5828.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [ps:9184]
>
> Message from syslogd@april at Oct 25 20:18:24 ...
>  kernel:[ 5856.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [ps:9184]
>
> Message from syslogd@april at Oct 25 20:18:56 ...
>  kernel:[ 5888.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [ps:9184]
>
> Message from syslogd@april at Oct 25 20:19:24 ...
>  kernel:[ 5916.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [ps:9184]
>
> Message from syslogd@april at Oct 25 20:20:00 ...
>  kernel:[ 5952.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [ps:9184]
>
> Message from syslogd@april at Oct 25 20:20:28 ...
>  kernel:[ 5980.156005] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [ps:9184]
>