page fault while in kernel mode

[John Baldwin]

On Tuesday 21 October 2008 03:22:28 pm Robert Fitzpatrick wrote:
> On Tue, 2008-10-21 at 15:09 -0400, John Baldwin wrote:
> > Alternatively, you could just remove the 'device adv' line from your
> > kernel 
> > config rather than adding lots of 'nodevice' lines at the bottom.  You
> > can 
> > usually do 'man 4 <driver name>' to see what devices it supports.  In
> > this 
> > case, adv(4) supports mostly ancient Advansys SCSI host adapters.
> > The 
> > manpage has a full list of the various model numbers, etc.
> 
> Yes, that is what I thought. Right now, I am just commenting them out,
> now I know what people mean when they say they are running a
> trimmed/clean kernel.
> 
> I did see one potential issue...
> 
> # USB support
> device          uhci            # UHCI PCI->USB interface
> device          ohci            # OHCI PCI->USB interface
> device          ehci            # EHCI PCI->USB interface (USB 2.0)
> device          usb             # USB Bus (required)
> 
> I see all of these with nodevice lines in the PAE file. Although I have
> USB ports, I don't use them, but I was concerned by the 'required' on
> the last one, is it OK to remove? Also, would I then need to disable USB
> in the BIOS to avoid errors?

Actually, USB is ok with PAE.  I recently updated the PAE configs to not 
disable PAE and at work we've run PAE kernels with USB enabled for a few 
years now on 6.x w/o any problems.

-- 
John Baldwin