Tuesday, July 19, 2022

[fedora-arm] Re: Failures booting on Pi4

> I haven't posted the following as a bug yet, but when I ssh into the unit as root I get an oops as shown in the attached file.  But if I ssh into the unit as a normal user, there is no oops.  The oops is non-fatal, as far as I can tell, but unsettling regardless.

The above is misleading. Turns out the oops is generated by doing:

kbdrate -d 500

which I had added to my .bash_profile. That command opens /dev/port, which only root can do. So a normal user cannot trigger the oops but the root user can.

I opened bug https://bugzilla.redhat.com/show_bug.cgi?id=2108633 because while root can certainly crash a system in many ways, the kbdrate command really shouldn't cause an oops.

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