On 8/13/20 4:05 PM, Przemek Klosowski via devel wrote:
> On 8/13/20 2:04 PM, Wells, Roger K. via devel wrote:
>> After some time, usually hours, the following four tasks in top are
>> running at 100%:
>> sadc
>> kworker/6:1+events_freezable
>> dmesg
>> systemd-journal
>
> So sadc is not part of current Fedora. It may be some artifact from
> older Fedoras (e.g. sysstat-11.5.7-4.fc27.x86_64 has
> /usr/lib64/sa/sadc) or some custom system activity data collection
> software that is locally installed at your site.
>
> My guess is it goes bonkers and causes frantic kernel worker thread
> activity, and generates tons of messges, keeping dmesg and journal
> busy. Please look into that, and let us know what you find out.
Thanks. I'll do something to disable it.  FWIW, this computer has never
run anything but Fedora since day1.
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-- 
Roger Wells, P.E.
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