On Tue, 28 Apr 2020 22:46:58 -0400, Sam Varshavchik wrote:
The capsule summary here is that the system appears to lock up under
high
I/O; either disk or network I/O. Doing a dnf upgrade puts a heavy load on
both disk and network I/O. Network I/O only in the case of the update itself
having to go out and download the updates from the repos. If all stuff's
already downloaded, it's mostly just disk I/O.
Thanks. It does seem to be an issue of load, but it looks like the
problem is due to the scheduler bug mentioned in the message from Jerry
James. So far kernel 5.6.7 seems ok. (I switched schedulers before
running dnf to install the kernel...)
George