kern/127115: Kernel Panic with misconfigured GPT
Harald Schmalzbauer
freebsd at omnilan.de
Fri Sep 5 15:20:02 UTC 2008
>Number: 127115
>Category: kern
>Synopsis: Kernel Panic with misconfigured GPT
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Sep 05 15:20:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator: Harald Schmalzbauer
>Release: FreeBSD 7.1-PRERELEASE i386
>Organization:
OmniLAN
>Environment:
System: FreeBSD titan.flintsbach.schmalzbauer.de 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #2: Mon Sep 1 13:30:00 CEST 2008 harry at titan.flintsbach.schmalzbauer.de:/usr/obj/usr/src/sys/TITAN i386
>Description:
I tried to duplicate a hard drive by creating a GPT on the new drive
and copy sector 2-34 from the old drive to the new.
The system freezed and as soon as I attach the new hard disk I get a kernel
panic.
>How-To-Repeat:
ad8=blank new disk
ad10=disk to clone
gpart create -s gpt ad8
dd if=/dev/ad10 of=/dev/ad8 iseek=2 count=32 oseek=2
Now the disk is not usable any more with FreeBSD.
Even after DOS formating or XP-formating FreeBSD panics. So the secondary gpt tabel has to be the culprit.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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