5.4-prerelease - hanging under load

[Matthias Buelow]

Nate Lawson <nate at root.org> writes:

>sysctl dev.cpu and look at the current frequency setting.  If low, then 
>your system is affected and will be fixed soon when I mfc.  If not, 
>perhaps you have an interrupt storm (vmstat -i)

Just for the record. I ran vmstat -i in a loop while untarring the
thunderbird source (causing degraded interactive responsiveness, as
reported in an earlier mail), and couldn't see any noticable increase in
interrupt rate.

mkb.