Date: Tue, 11 Mar 1997 23:21:59 +0900 From: Masachika ISHIZUKA <ishizuka@isis.isl.ntt.co.jp> To: FreeBSD-gnats-submit@freebsd.org Cc: ishizuka@isis.isl.ntt.co.jp Subject: bin/2948: can't dump 640MB optical disks Message-ID: <199703111422.XAA15621@isis.isl.ntt.co.jp> Resent-Message-ID: <199703111430.GAA06231@freefall.freebsd.org>
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>Number: 2948
>Category: bin
>Synopsis: can't dump 640MB optical disks
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Mar 11 06:30:01 PST 1997
>Last-Modified:
>Originator: Masachika ISHIZUKA
>Organization:
Nippon telegraph and telephone corp.
>Release: FreeBSD 3.0-970209-SNAP i386
>Environment:
od0 at scbus0 target 5 lun 0
od0: <FUJITSU M2513A 1100> type 7 removable SCSI 2
od0: Optical 606MB (310352 2048 byte sectors)
>Description:
I can't dump 640 Megs MO (Magneto optical) disk as follows.
# dump 0uf test.dmp /dev/rod0a
DUMP: Date of this level 0 dump: Tue Mar 11 22:29:44 1997
DUMP: Date of last level 0 dump: the epoch
DUMP: Dumping /dev/rod0a (/mo/) to test.dmp
DUMP: mapping (Pass I) [regular files]
DUMP: mapping (Pass II) [directories]
DUMP: estimated 48882 tape blocks on 1.26 tape(s).
DUMP: dumping (Pass III) [directories]
DUMP: dumping (Pass IV) [regular files]
DUMP: DUMP: read error from /dev/rod0a: Invalid argument: [block 2070]:
count=5120
read error from /dev/rod0a: Invalid argument: [block 2090]: count=3072
DUMP: read error from /dev/rod0a: Invalid argument: [sector 2070]: count=512
DUMP: read error from /dev/rod0a: Invalid argument: [sector 2071]: count=512
And the following messages are displayed on console.
od_strategy: Block number is not multiple of sector size (2): 0x816
od_strategy: Block number is not multiple of sector size (2): 0x82a
od_strategy: Block number is not multiple of sector size (2): 0x82a
od_strategy: Block number is not multiple of sector size (2): 0x816
od_strategy: Block number is not multiple of sector size (2): 0x817
od_strategy: Invalid b_bcount 512 at block number: 0x818
>How-To-Repeat:
% sed -n /mo640/,/^\$/p /etc/disktab
mo640|Generic 3.5in 640MB MO disk:\
:dt=SCSI:ty=removable:se#2048:nt#64:ns#32:nc#152:\
:pa#310352:oa#0:ba#8192:fa#2048:ta=4.2BSD:\
:pb#0:ob#0:tb=swap:\
:pc#310352:oc#0:
% su
# disklabel -r -w -B od0 mo640
# newfs -t 0 -u 0 /dev/rod0a
# mount /dev/od0a /mnt
# cp /kernel /mnt
# dump 0uf test.dmp /dev/rod0a
>Fix:
I don't know.
>Audit-Trail:
>Unformatted:
help
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