Subject: bin/13234: fdisk can't change bios geometry
To: None <gnats-bugs@gnats.netbsd.org>
From: Wolfgang Rupprecht <wolfgang@wsrcc.com>
List: netbsd-bugs
Date: 06/17/2001 18:10:49
>Number: 13234
>Category: bin
>Synopsis: fdisk can't change bios geometry
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: bin-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sun Jun 17 18:10:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Wolfgang Rupprecht
>Release: NetBSD-current May 30, 2001
>Organization:
W S Rupprecht Computer Consulting, Fremont CA
>Environment:
System: NetBSD pasillo.wsrcc.com 1.5W NetBSD 1.5W (WSRCC_INTEL) #18: Wed Jun 13 05:47:36 PDT 2001 wolfgang@capsicum.wsrcc.com:/v/src/netbsd/src/sys/arch/i386/compile/WSRCC_INTEL i386
Architecture: i386
Machine: i386
>Description:
fdisk when invoked from a script using the following line will
not write the bios/mbr geometry. It appears to do nothing,
leaving the default geometry.
fdisk -f -i -b ${DLCYL}/${DLHEAD}/${DLSEC} ${disk}
>How-To-Repeat:
#!/bin/sh
partition_id=169
disk=wd0
dd if=/dev/zero of=/dev/r${disk}d bs=64k count=10
fdisk -f -i ${disk}
eval `fdisk -S $disk`
echo "Writing the sector-0 partition table"
fdisk -f -i -b ${DLCYL}/${DLHEAD}/${DLSEC} ${disk}
echo "Configuring partition-4 of sector-0 partition table"
fdisk -3 -afu -s ${partition_id}/0/${DLSIZE} ${disk}
fdisk ${disk}
# end
Thanks to Rex McMaster for sending a script known to work under
netbsd 1.5 . Whatever broke, seems to have broken recently.
>Fix:
Find a windoze box, fdisk there. (Ok thats a joke!)
>Release-Note:
>Audit-Trail:
>Unformatted: