Date: Tue, 21 Oct 2008 15:36:47 -0400 From: John Baldwin <jhb@freebsd.org> To: robert@webtent.com Cc: Jeremy Chadwick <koitsu@freebsd.org>, FreeBSD <freebsd-questions@freebsd.org> Subject: Re: page fault while in kernel mode Message-ID: <200810211536.47957.jhb@freebsd.org> In-Reply-To: <1224616948.8122.79.camel@columbus.webtent.org> References: <1224445801.6926.0.camel@laptop.webtent.org> <200810211509.53454.jhb@freebsd.org> <1224616948.8122.79.camel@columbus.webtent.org>
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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
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