Re: usb device

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To: gaumerel@ecs.fullerton.edu
Date: Sat, 12 Mar 2005 16:49:30 +0000

Hello
It seems that my USB is recognized by the system. Still I can not mount the
USB device. Indeed, when I type

mount /dev/sda /h/ -t vfat

I get the following message

mount: wrong fs type, bad option, bad superblock on /dev/sda,
       or too many mounted file systems

and when I type,

cat /proc/bus/usb/devices

I get the following output

T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI Root Hub
S: SerialNumber=ff60
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI Root Hub
S: SerialNumber=ff80
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0ea0 ProdID=2168 Rev= 2.00
S: Manufacturer=USB
S: Product=Flash Disk
S: SerialNumber=4403983FAC7CFED0
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=200mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 2 Ivl=1ms

do you what is the problem?

>From: Eric Gaumer <gaumerel@ecs.fullerton.edu>
>To: Michael Sry <michael_sry@hotmail.com>
>CC: debian-user@lists.debian.org
>Subject: Re: usb device
>Date: Sat, 12 Mar 2005 08:31:05 -0800
>
>Michael Sry wrote:
>>Hello,
>>I am trying to mount my USB device but it is not really working!
>>When I type
>>mount /dev/sda1 /mount_point -t vfat
>>I get the following error message
>>mount: /dev/sda1 is not a valid block device
>>Does anyone know what is the problem?
>>Thanks!
>>
>
>It's not a valid block device ;-)
>
>Are you sure it's sda1? Maybe the mass storage driver isn't loaded. Try
>
>cat /proc/bus/usb/devices
>
>Which will show you the info for the device as well as the driver that
>picked it up.
>
>T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 7 Spd=1.5 MxCh= 0
>D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
>P: Vendor=05ac ProdID=0302 Rev= 1.06
>S: Manufacturer=Fujitsu Takamisawa Component
>S: Product=Apple Optical USB Mouse
>C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA
>I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=usbhid
>E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=10ms
>
>You may want to also install (hotplug | hal | udev | dbus | gvm). I've been
>very skeptical about this utopia stack but I have to admit that it works
>extremely well.
>
> -Eric
>
>
>--
>"Education is what remains after one has forgotten everything he learned in
>school."
> - Albert Einstein
><< signature.asc >>

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• Previous message: Eric Gaumer: "Re: usb device"
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