On Thu, 2021-09-23 at 17:55 +0800, Ed Greshko wrote:
On 23/09/2021 17:05, Patrick O'Callaghan wrote:
> I have a stream of messages on the console, as follows:
>
> Message from syslogd@Bree at Sep 23 03:56:24 ...
> kernel:watchdog: BUG: soft lockup - CPU#0 stuck for 4802s!
> [kworker/0:0:323591]
>
> This is F34, fully updated. I've not seen this before.
>
> Any ideas?
Do you collect sysstat information? Any high CPU usage during the
same time?
Others have reported these errors when systems have over heated.
The system was idle overnight, so shouldn't have been overheating.
However on checking the journal I see a whole stream of messages from
upowerd about a USB over-current condition, which seem to be close in
time to the lockup messages. I also noticed that my USB-connected
printer wasn't responding. I've now connected the printer wirelessly
and it's working fine. I have a USB-3 multiport hub, so that may the
the root cause.
I've not explicitly enabled sysstat collection (how do I do that?)
poc