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From: Marcel Moolenaar <xcllnt@mac.com>
To: Tai-hwa Liang <avatar@mmlab.cse.yzu.edu.tw>
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Date: Fri, 03 Apr 2009 08:44:40 -0700
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Cc: freebsd-current@freebsd.org
Subject: Re: Removal of GEOM_BSD, GEOM_MBR, GEOM_PC98 and GEOM_SUNLABEL
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On Apr 3, 2009, at 12:18 AM, Tai-hwa Liang wrote:

>> Ok, let's look at those sectors as well. Can you send the
>> output of:
>> 	dd if=/dev/ad0s7 of=dump.dd count=2 bs=512
>
> 00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00   
> |................|
> *
> 00000200  57 45 56 82 00 00 00 00  61 6d 6e 65 73 69 61 63  | 
> WEV.....amnesiac|
> 00000210  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00   
> |................|
> 00000220  00 00 00 00 00 00 00 00  00 02 00 00 3f 00 00 00   
> |............?...|
> 00000230  10 00 00 00 1a 79 00 00  f0 03 00 00 11 da dc 01   
> |.....y..........|
> 00000240  00 00 00 00 00 00 00 00  10 0e 01 00 00 00 00 00   
> |................|
> 00000250  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00   
> |................|
> *
> 00000280  00 00 00 00 57 45 56 82  93 e0 08 00 00 20 00 00   
> |....WEV...... ..|
> 00000290  00 00 00 00 01 da dc 01  a0 40 1d 02 00 08 00 00   
> |.........@......|
> 000002a0  07 08 88 6f 00 00 00 00  00 00 00 00 00 00 00 00   
> |...o............|
> 000002b0  00 00 00 00 11 da dc 01  a0 40 1d 02 00 00 00 00   
> |.........@......|
> 000002c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00   
> |................|
> *
> 00000400

Hmmmm... I don't think there's anything wrong with the label
nor the code. If the label is rejected, the dmesg should show
that. Is there anything in the dmesg like?
	GEOM: ad0s3+00103bf1: invalid disklabel.

Also, could you trigger a re-taste by writing all zeroes to
the first sector:
	dd if=/dev/zero of=/dev/ad0s7 count=1 bs=512

Thanks,

-- 
Marcel Moolenaar
xcllnt@mac.com