Date: Mon, 23 Mar 2009 12:30:09 -0500 From: Robert Noland <rnoland@FreeBSD.org> To: Douglas Berry <bitnix@bitnix.ca> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: Booting from usb hard disk Message-ID: <1237829409.1771.13.camel@balrog.2hip.net> In-Reply-To: <200903231541.n2NFfP6f002755@monk.cnd.dundas.on.ca> References: <200903231541.n2NFfP6f002755@monk.cnd.dundas.on.ca>
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--=-S69OQJyjpzcTUzjYALa/ Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2009-03-23 at 11:41 -0400, Douglas Berry wrote: > On Mon, 23 Mar 2009 05:36:15 CDT, Robert Noland wrote: > > So I have my i386 install on a usb hard disk, which I can only boot > > on one machine now. The one machine that I can make work has a bios > > option that reads "BIOS ehci handoff". This used to work with the > > old usb stack. The machines that it doesn't work on, boot the > > kernel, but fail to mount root, giving me the forbidding mountroot> > > prompt, which is immediately followed by the message saying that da0 > > is attached. da0 is however not listed in the available boot > > devices list. I tried playing around with the timeout in > > vfs_mount.c, but that didn't seem to have any impact. It has been > > suggested that this may be a "geom" timeout, but I don't know > > anything about the boot system really. >=20 > I have been using tunefs(8) labeled partitions on my usb hard disk > under CURRENT. I changed the fstab entries to match the labels > (eg. assume mylabel is myroot, /dev/da0s1a becomes /dev/ufs/myroot) > It works well on most systems. On some systems, I see the symptom > you show, but I am saved by the labels showing up just after the > mountroot prompt. I am then able to type >=20 > ufs:/dev/ufs/myroot >=20 > and resume the boot. Maybe this helps you? Well, I haven't tried labeling the partitions, but ufs:/dev/da0s1a doesn't work from the rootmount> prompt. Even after da0 shows up. robert. >=20 > cheers, > doug >=20 --=20 Robert Noland <rnoland@FreeBSD.org> FreeBSD --=-S69OQJyjpzcTUzjYALa/ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (FreeBSD) iEYEABECAAYFAknHxyEACgkQM4TrQ4qfROO97wCffYuPOomXPXSBZpUv/MPdxjGj QWgAoIkySfP/ePVAuxVvC8vbdChAKr1O =jFBe -----END PGP SIGNATURE----- --=-S69OQJyjpzcTUzjYALa/--
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