usb/109397: [panic] on boot from USB flash
Alexander Shiryaev
coumarin at gmail.com
Wed Feb 21 15:40:06 UTC 2007
>Number: 109397
>Category: usb
>Synopsis: [panic] on boot from USB flash
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-usb
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Feb 21 15:40:04 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator: Alexander Shiryaev
>Release: RELENG_6
>Organization:
MSU
>Environment:
FreeBSD aix-lame.hackers 6.2-STABLE FreeBSD 6.2-STABLE #3: Tue Feb 6 14:16:42 MSK 2007 aix-d at aix-lame.hackers:/usr/obj/usr/src/sys/Lassie_Kernel_2 i386
>Description:
I have installed FreeBSD to USB flash:
# dd if=/dev/zero of=/dev/da0 bs=32k count=1
# fdisk -B da0
# fdisk -v da0
# bsdlabel -r -w -B da0s1 auto
# bsdlabel -e da0s1
# size offset fstype [fsize bsize bps/cpg]
a: 256m 0 4.2BSD 1024 8192
c: <do not touch>
d: * * 4.2BSD 2048 16384
# newfs /dev/da0s1a
# newfs -U /dev/da0s1d
# mkdir /mnt/da0
# mount /dev/da0s1a /mnt/da0
# mkdir /mnt/da0/var
# mkdir /mnt/da0/tmp
# mkdir /mnt/da0/usr
# mount /dev/da0s1d /mnt/usr
# chmod 1777 /mnt/da0/tmp
# cd /usr/src
# make installworld DESTDIR=/mnt/da0
# cd etc
# make distribution DESTDIR=/mnt/da0
# cd ..
# make installkernel DESTDIR=/mnt/da0
# cat > /mnt/da0/etc/fstab <<DATA
/dev/da0s1a / ufs rw 1 1
/dev/da0s1d /usr ufs rw 2 2
/dev/cd0 /cdrom cd9660 ro,-C=KOI8-R,noauto 0 0
DATA
# reboot
Then I try to boot system from USB flash and get a panic:
http://users.msu.dubna.ru/~shiryaev/files/fbsd/nokia015_1.jpg
Also this operation damages data structure of USB flash (when I retry to boot, loader don't works).
>How-To-Repeat:
Read full description and try to reproduce. It reproduces 2 of 2 times on my system.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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