CPU usage goes way up on 5.1 when memory is added

[Quintin Riis]

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
>