Cannot mount Sony Ericsson mobile phone, msdosfs too restrictive?

Eric Anderson anderson at freebsd.org
Tue Jul 3 03:17:49 UTC 2007


Dennis Melentyev wrote:
> Can't confirm, but it seems like formating card with phone will give
> you FAT12 even on 1Gb card. (Not volunteering to reformat my "player")
> :)


It would be useful to some people to have access to a FAT12 formatted 
file system that is >32MB.  Can you (or someone else) dd the flash to a 
file (the 64MB file is file), and then gzip it?  Preferably a freshly 
formatted fat12 would be best.

Eric


> 2007/7/2, Dennis Melentyev <dennis.melentyev at gmail.com>:
>> Hi!
>>
>> 2007/7/2, Raaf <raaf at zen.mooo.com>:
>> > Brian Chu wrote:
>> > > Raaf,
>> > >
>> > > What's the size of the memory stick?  Is it 32MB like Dennis has?
>> It was 64MB card also. :)
>> AFAIR, FAT12 is just not correct format for disks larger than 32Mb.
>> It has to use clusters not handled by original MSDOS in this case.
>>
>> So, my answer is: SE just use wrong FAT.
>>
>> But, meanwile, it should be ok to allow this insanity be handled.
>> Despite I'd rather use smaller clusters for such a tiny drive.
>>
>> > >
>> >
>> > It's a 64MB memory stick using FAT12.
>>
>> MSDOS 3.3 will go crazy with that :)
>>
>> >
>> > > The check for the field that affected you isn't critical to msdosfs'
>> > > operation, but the field itself is specified to be non-zero.
>> > > Konstantin, is it alright to remove this field?
>> > >
>> >
>> > It seems there are more people having problems with the sanity checking
>> > code of msdosfs, see also this related pr:
>> >
>> > http://www.freebsd.org/cgi/query-pr.cgi?pr=93860
>> >
>> >
>>
>>
>> -- 
>> Dennis Melentyev
>>
> 
> 



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