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From: nivit@libero.it (Nicola Vitale)
Date: Tue, 23 Sep 2003 19:15:46 +0200
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X-Operating-System: FreeBSD/i386 (http://www.freebsd.org)
User-Agent: Mutt (http://www.mutt.org)
Subject: Re: misc/57104: boot/usb: boot freezes during USB devices detection
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> [regis rampnoux, 22 Settembre 2003 ore 20:36:51]
> >Synopsis:       boot/usb: boot freezes during USB devices detection
> >Release:        FreeBSD 4.9-PRERELEASE i386
> >Description:
>
>       the boot stops during USB devices detection
> [...]
>
> >Fix:
>
>       disconnect the USB devices, boot and replug the USB devices when
>       devices detection is finished.

(Waiting for an official solution), you can solve this problem,
replacing the following files with their old version:

sys/kern/subr_taskqueue.c (1.3.2.2 -> 1.3.2.1)
sys/sys/taskqueue.h sys.orig/sys/taskqueue.h (1.1.2.3 -> 1.1.2.2)

and, if you have got SCSI devices,

src/sys/cam/scsi/scsi_cd.c (1.31.2.15 -> 1.31.2.14)
src/sys/cam/scsi/scsi_da.c (1.42.2.45 -> 1.42.2.44)

Ciao.
-- 
Nicola S. Vitale
nivit@libero.it