Date: Wed, 07 Mar 2007 15:34:54 +0100 From: Ivan Voras <ivoras@fer.hr> To: freebsd-stable@freebsd.org Subject: Re: USB problem - how to disable an umass device? Message-ID: <esmiic$u4s$1@sea.gmane.org> In-Reply-To: <200703071309.l27D9RpK016319@lurza.secnetix.de> References: <esm7qv$nnv$1@sea.gmane.org> <200703071309.l27D9RpK016319@lurza.secnetix.de>
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[-- Attachment #1 --] Oliver Fromme wrote: > Of course, a better way to solve the problem would be to > find out _why_ it is hanging in the first place. :-) > The first step would be to enter the kernel debugger and > take a stack trace, in order to find out where it is stuck. > > It might be a good idea to take this issue to the freebsd- > usb mailing list. Actually, it resolved to be a very large timeout, on the order of 5 minutes per step, before something gives up and the boot process continues. > > I tried using loader hint hint.usb.2.disabled="1" but it doesn't work. > > Unfortunately, hints cannot be used to disable devices in > general (which would be a desirable feature). That only > works for legacy devices (i.e. ISA) and some others. I'd argue that this is actually a bad thing - I'm sure there are situations where it would be useful to disable (almost) arbitrary nodes in the device tree, even down to specific pci busses. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) Comment: Using GnuPG with Thunderbird/FreeBSD - http://enigmail.mozdev.org iD8DBQFF7s2OldnAQVacBcgRArS7AKCLR9y1H03+vWDIAMl65wO9a1plHQCgqIgo 7WKBEPH50MZQaOLZmJP7UmI= =3yt5 -----END PGP SIGNATURE-----
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