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-   -   usb flash drive: no /dev entry (http://www.linuxquestions.org/questions/slackware-14/usb-flash-drive-no-dev-entry-233379/)

zarg 09-21-2004 10:46 AM

usb flash drive: no /dev entry
 
I followed the USB Card Reader HowTo, but I do not get a device assigned to my Lexar Jumpdrive when it is plugged in (i.e. /dev/sda1 is missing). Here is the output from
# tail -s 3 -f /var/log/messages

Sep 21 08:34:01 zarg kernel: usb 1-2: new full speed USB device using address 4
Sep 21 08:34:02 zarg usb.agent[1781]: ... no modules for USB product 5dc/80/1
Sep 21 08:34:02 zarg kernel: scsi1 : SCSI emulation for USB Mass Storage devices
Sep 21 08:34:02 zarg scsi.agent[1816]: how to add device type= at /devices/pci0000:00/0000:00:01.2/usb1/1-2/1-2:1.0/host1/1:0:0:0 ??
Sep 21 08:34:02 zarg kernel: Vendor: LEXAR Model: JUMPDRIVE Rev: 1.20
Sep 21 08:34:02 zarg kernel: Type: Direct-Access ANSI SCSI revision: 02


Am I missing something obvious?
Thanks
-Dirk

Berto 09-21-2004 02:25 PM

This probably isn't it, but at least it will serve as a bump to your thread :)

Do you have other SCSI devices connected to your system? Because they might be taking up /dev entries; and, are you running your sys. on a stock kernel or one you compiled yourself? Because you may have fogotten to add the module for usb mass storage devices into it if it was hand-compiled.

hkxx9 09-21-2004 02:25 PM

Post your fstab and let's see what you have.

I have a Lexar as well and got it to work with some
help from the fine folks here.

cheers

zarg 09-21-2004 03:39 PM

AFAIK there aren't any other SCSI devices on the system. In fact I had SCSI turned off until I started trying to get the jumpdrive to work.

And I compiled my own 2.6.7 kernel. I have usb mass storage configured as built in, but it wouldn't surprise me if I forgot a module somewhere... That seems to be what /var/log/messages is saying.

I haven't changed my fstab yet, because I can't find the appropriate device in /dev. I have a usb printer working with cups; it shows up as /dev/usb/lp0.

Thanks for the ideas.
-Dirk


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