5.4-prerelease - hanging under load
nate at root.org
Wed Apr 6 11:37:40 PDT 2005
Pierre-Luc Drouin wrote:
> Matthias Buelow wrote:
>> 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.
> I've noticed that the idle process is using sometimes as much as 60% of
> my CPU. Could it be a relation between that and the lag we have with 5.4?
That is different. sysctl hw.acpi.cpu.cx_lowest="C1" to see if that
works around it.
More information about the freebsd-stable