Date: Wed, 27 Jul 2011 06:22:12 GMT From: tim newsham <tim.newsham+fbsd@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: amd64/159222: unusual behavior writing boot0 from single user mode Message-ID: <201107270622.p6R6MCae086774@red.freebsd.org> Resent-Message-ID: <201107270630.p6R6U8Vk090201@freefall.freebsd.org>
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>Number: 159222 >Category: amd64 >Synopsis: unusual behavior writing boot0 from single user mode >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-amd64 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Jul 27 06:30:08 UTC 2011 >Closed-Date: >Last-Modified: >Originator: tim newsham >Release: 8.2 >Organization: >Environment: FreeBSD hpsux.x0d99.com 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Thu Feb 17 02:41:51 UTC 2011 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 >Description: I boot single user, then I run "df" to see which disk is root. Then I run: # fdisk -B -b /boot/boot0 /dev/da0 when its done it says "/boot/boot0: Device not configured" (error varies) and then afterwards most commands I type (like "ls") ellicit: "vnode_pager_getpages: I/O read error" from the kernel. I get the same behavior on my real machine as well as in vmware. The vmware has a clean 8.2 release installed off of DVD (8.2 release disk) and then updated with "freebsd-update". >How-To-Repeat: Install 8.2 release for amd64. Update with freebsd-update (I don't know if this matters). Boot single user. Run "fdisk -B -b /boot/boot0 /dev/da0" (or whatever the root disk drive is). Run "ls" after it completes. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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