Date: Wed, 21 Feb 2007 16:10:15 GMT From: "M. Warner Losh" <imp@bsdimp.com> To: freebsd-usb@FreeBSD.org Subject: Re: usb/109397: [panic] on boot from USB flash Message-ID: <200702211610.l1LGAFAm065056@freefall.freebsd.org>
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The following reply was made to PR usb/109397; it has been noted by GNATS. From: "M. Warner Losh" <imp@bsdimp.com> To: coumarin@gmail.com Cc: freebsd-gnats-submit@freebsd.org Subject: Re: usb/109397: [panic] on boot from USB flash Date: Wed, 21 Feb 2007 09:01:38 -0700 (MST) In message: <200702211532.l1LFWE1b051554@www.freebsd.org> Alexander Shiryaev<coumarin@gmail.com> writes: : : >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@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 Try adding 'sync; sync; sync' here. : # 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 This looks like the filesystem is corrupted, and the kernel is hitting one of the internal consistancy checks. Warner
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