CPU usage goes way up on 5.1 when memory is added
Quintin Riis
webmaster at countrypure.net
Sat Jan 24 01:25:21 PST 2004
Install GENERIC kernel and see if the problem persists.
Quintin
Richard G. Roberto wrote:
> Hi,
>
> I've been running 5.1-RELEASE for quite some time on my dual PIII 333Mhz
> Micron PC with 384MB of RAM and 670MB of swap. Its a little low on memory
> for what I'm now doing with it though, so I added 256MB of RAM. The new
> RAM gets recognized, and there are no obvious errors on the console or in
> the logs, but every little thing drives the CPU utilization through the
> roof and the system is unusable. Even just typing "man ls" triggers it,
> never mind trying to run ssh. I remove the RAM, and it goes back to
> normal.
>
> I'm using a kernel with these relevent settings:
>
> cpu I686_CPU
> options SCHED_ULE
> options COMPAT_43
> options COMPAT_FREEBSD4
> options _KPOSIX_PRIORITY_SCHEDULING
> options SMP
> options APIC_IO
> options LAZY_SWITCH
>
> There are other settings, but these are the only ones that might be
> related, I'm guessing.
>
> Has anyone seen anything similar to this? I've searched google as well as
> the mailing list archives and can't really find anything similar. Any
> help would be greatly appreciated.
>
> Thanks in advance,
>
> rgr
>
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