usb mp3 player can't be mounted

Hi group,

I posted earlier on this subject but scored no hits.
I've been poking around on the Web for answers but so
far without luck.

When I plug the player into port and $dmesg, this
comes up:

<snip>
usb 1-2: new full speed USB device using uhci_hcd and
address 2
usb 1-2: configuration #1 chosen from 1 choice
Initializing USB Mass Storage driver...
scsi0 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 2
usb-storage: waiting for device to settle before
scanning
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
scsi 0:0:0:0: Direct-Access     USB      FLASH DISK
V2.0  2120 PQ: 0 ANSI: 2
usb-storage: device scan complete
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
usb 1-2: USB disconnect, address 2
usb 1-2: new full speed USB device using uhci_hcd and
address 3
usb 1-2: configuration #1 chosen from 1 choice
scsi1 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 3
usb-storage: waiting for device to settle before
scanning
scsi 1:0:0:0: Direct-Access     USB      FLASH DISK
V2.0  2120 PQ: 0 ANSI: 2
usb-storage: device scan complete

Why won't it assign a drive, like /dev/sda? It does on
another machine with virtually the same setup.

Nothing shows up in udevinfo, cat /proc/partitions. 

but,

#lsusb 
Bus 001 Device 003: ID 04e8:9826 Samsung Electronics
Co., Ltd

and 

$cat /proc/bus/usb/devices
<snip>
S: Manufacturer=NewTech Inc
S: Product=USB Mass Storage Device 2.0
<snip>

I tried making the node manually(assuming /dev/sda)

#mknod /dev/sda b 8 0

but attempts to mount the device return "/dev/sda is
not a valid block device"

What am I missing?

Maxim


 
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maxim wexler wrote:
> Hi group,
>
> I posted earlier on this subject but scored no hits.
> I've been poking around on the Web for answers but so
> far without luck.
>
> When I plug the player into port and $dmesg, this
> comes up:
>
> <SNIP>
>
> Why won't it assign a drive, like /dev/sda? It does on
> another machine with virtually the same setup.
>
> Nothing shows up in udevinfo, cat /proc/partitions. 
>
> but,
>
> #lsusb 
> Bus 001 Device 003: ID 04e8:9826 Samsung Electronics
> Co., Ltd
>
> and 
>
> $cat /proc/bus/usb/devices
> <snip>
> S: Manufacturer=NewTech Inc
> S: Product=USB Mass Storage Device 2.0
> <snip>
>
> I tried making the node manually(assuming /dev/sda)
>
> #mknod /dev/sda b 8 0
>
> but attempts to mount the device return "/dev/sda
is
> not a valid block device"
>
> What am I missing?
>
> Maxim
>   
In the other post you mentioned that the kernel configs of
those two 
machines are,
concerning USB settings, the same. But how about SCSI disk
support? It 
seems to
be needed for USB storage, or at least its help text in
menuconfig says 
so... 


Michael
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on Thursday 07/05/2007 Michael Niggli(m.niggligmail.com) wrote
 > maxim wexler wrote:
 > > Hi group,
 > >
 > > I posted earlier on this subject but scored no
hits.
 > > I've been poking around on the Web for answers
but so
 > > far without luck.
 > >
 > > When I plug the player into port and $dmesg,
this
 > > comes up:
 > >
 > > <SNIP>
 > >
 > > Why won't it assign a drive, like /dev/sda? It
does on
 > > another machine with virtually the same setup.
 > >
 > > Nothing shows up in udevinfo, cat
/proc/partitions. 
 > >
 > > but,
 > >
 > > #lsusb 
 > > Bus 001 Device 003: ID 04e8:9826 Samsung
Electronics
 > > Co., Ltd
 > >
 > > and 
 > >
 > > $cat /proc/bus/usb/devices
 > > <snip>
 > > S: Manufacturer=NewTech Inc
 > > S: Product=USB Mass Storage Device 2.0
 > > <snip>
 > >
 > > I tried making the node manually(assuming
/dev/sda)
 > >
 > > #mknod /dev/sda b 8 0
 > >
 > > but attempts to mount the device return
"/dev/sda is
 > > not a valid block device"
 > >
 > > What am I missing?
 > >
 > > Maxim
 > >   
 > In the other post you mentioned that the kernel
configs of those two 
 > machines are,
 > concerning USB settings, the same. But how about SCSI
disk support? It 
 > seems to
 > be needed for USB storage, or at least its help text
in menuconfig says 
 > so... 

There is also another config which I found very helpful --
for at
least recognizing a card reader which is not in the default
config and
that is
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
CONFIG_SCSI_MULTI_LUN=y

Hope this helps.

-- 
Your life is like a penny.  You're going to lose it.  The
question is:
How do
you spend it?

         John Covici
         coviciccs.covici.com
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