From: Paul Bolle <pebolle@tiscali.nl>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: markk@clara.co.uk, bugme-daemon@bugzilla.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [Bugme-new] [Bug 37682] New: Kernel mis-detects size/position of partition created with Seagate DiscWizard (OnTrack Disk Manager)
Date: Sat, 18 Jun 2011 03:01:48 +0200 [thread overview]
Message-ID: <1308358960.2166.20.camel@t41.thuisdomein> (raw)
In-Reply-To: <20110617143104.3b883bda.akpm@linux-foundation.org>
On Fri, 2011-06-17 at 14:31 -0700, Andrew Morton wrote:
> > In case it helps to diagnose the problem, I have attached the first 0x11000
> > bytes of this disk.
0) $ /sbin/sfdisk -l First_0x11000_bytes.bin
Disk First_0x11000_bytes.bin: cannot get geometry
Disk First_0x11000_bytes.bin: 0 cylinders, 255 heads, 63 sectors/track
detected Disk Manager - unable to handle that
First_0x11000_bytes.bin: unrecognized partition table type
No partitions found
1) $ dd if=First_0x11000_bytes.bin of=First_0x9200_bytes.bin bs=512 skip=63
73+0 records in
73+0 records out
37376 bytes (37 kB) copied, 0.0224746 s, 1.7 MB/s
2) $ /sbin/sfdisk -l -uS First_0x9200_bytes.bin
Disk First_0x9200_bytes.bin: cannot get geometry
Disk First_0x9200_bytes.bin: 0 cylinders, 255 heads, 63 sectors/track
Units = sectors of 512 bytes, counting from 0
Device Boot Start End #sectors Id System
First_0x9200_bytes.bin1 * 63 39102209 39102147 c W95 FAT32 (LBA)
end: (c,h,s) expected (1023,254,63) found (385,254,63)
First_0x9200_bytes.bin2 0 - 0 0 Empty
First_0x9200_bytes.bin3 0 - 0 0 Empty
First_0x9200_bytes.bin4 0 - 0 0 Empty
39102147 seems to be close to what the reporter expects to see.
3) Some searches suggest there used to be a "hda=remap63" boot option
for this, ie OnTrack Disk Manager, but I can't find it grepping the
source nor could I find the commit(s) that removed it.
Paul Bolle
next prev parent reply other threads:[~2011-06-18 1:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-37682-10286@https.bugzilla.kernel.org/>
2011-06-17 21:31 ` Andrew Morton
2011-06-18 1:01 ` Paul Bolle [this message]
2011-06-18 1:16 ` Paul Bolle
2011-06-18 8:51 ` markk
2011-06-18 10:38 ` Paul Bolle
2011-06-18 14:34 ` Arnd Bergmann
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