page fault while in kernel mode
jhb at freebsd.org
Tue Oct 21 14:21:09 PDT 2008
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.
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