[H-GEN] Usb Mass Storage

[ben.carlyle at invensys.com]

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Joe,





Joe <shnads at 3blokes.mine.nu>
Sent by: Majordomo <majordom at caliburn.humbug.org.au>
12/11/2003 11:12 AM
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        To:     general at lists.humbug.org.au
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        Subject:        [H-GEN] Usb Mass Storage


>  I purchased a Usb ram drive (with a built in mp3 player) today and ran
> into a little trouble, I am looking for a few opinions on this from
> smart people like yourselves :).

My only experience with USB mass storage has been my Samsung digital 
camera, which appears to work flawlessly under linux... except for one 
weird event I had. One time when I plugged the camera into my (debian) 
linux box while the camera as on and had it mounted as vfs. The filesystem 
was screwy. All of the names of files and directories were random 
(looking) characters. I umounted the camera... turned it off... turned it 
on again... and it was fine. Now I always plug the camera in when the 
camera power is off, then turn the camera on to have the usb detect it. 
I've never had a problem since... but I don't know whether the screwy 
filesystem was due to the camera being on while it was plugged in or 
not... but it does make me wonder if the plugging in and pulling out 
processes may be a little confusing to usb devices and boxen alike.

I haven't noticed any abnormal-looking log messages associated with the 
device. The biggest problems I had setting it up were in finding out which 
modules I had to load to detect the usb features of the motherboard and 
load the usb drivers for my keyboard at the same time. I went through 
quite a number of remote reboots while trying different combinations as 
detecting the motherboard usb capability automatically disables the bios 
support for the usb keyboard ;) I'd load the driver... and the keyboard 
would stop working. I worked it out eventually, after much googling :)

Benjamin.



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