On Tue, Oct 18, 2005 at 02:11:02PM -0700, Bill Rees wrote: > >>I'm trying to isolate a driver problem that appears to be smp > >>related so I would like to take the system with the smp kernel and > >>boot it so that only one cpu is used. Ideally, I'll be able to tell > >>if running off of two cores is causing problems with the usb driver. > >>So the only thing I've found that I can pass to the kernel during > >>boot is maxprocs which doesn't seem to actually deal with the number > >>of cpus but rather the number of processes. > >>Is there any boot variable that will prevent the second cpu from > >>coming up? > > > >Try installing the non-smp kernel and booting that kernel, instead of > >the smp kernel. > This I will do but I would also like to be able to pass an arg to the > smp kernel telling it to only use on core. Boot with maxcpus=1 Dave