On Tue, 31 May 2005, xeebee wrote: > Hello, > > First of all, I use mandrake 10.2 (Kernel 2.6.11.6) the latest mandrake > distribution. > > I have a hard drive mp3 player (archos jukebox recorder 20) that I want to > plug on my computer with linux. With Windows no problem and works fine. > > When I plug this device and try to mount it I have the following message : > command : mount -t vfat /dev/sda /mnt/removable > response : special device /dev/sda doesn't exist > > I can mount with this command my USB key and my digital camera without any > problem. > > So I use the command dmesg to see what happen for the USB key and for the > hard drive (the problem): > > The message with the USB hard drive : > usb 1-1: new full speed USB device using uhci_hcd and address 4 > scsi2 : SCSI emulation for USB Mass Storage devices > usb-storage: device found at 4 > usb-storage: waiting for device to settle before scanning > usb 1-1: reset full speed USB device using uhci_hcd and address 4 > scsi: Device offlined - not ready after error recovery: host 2 channel 0 id > 0 lun 0 > usb-storage: device scan complete > > > For the USB key : > usb 1-1: new full speed USB device using uhci_hcd and address 5 > scsi3 : SCSI emulation for USB Mass Storage devices > usb-storage: device found at 5 > usb-storage: waiting for device to settle before scanning > Vendor: Model: USB DISK 2.0 Rev: PMAP > Type: Direct-Access ANSI SCSI revision: 00 > SCSI device sda: 243712 512-byte hdwr sectors (125 MB) > sda: Write Protect is off > sda: Mode Sense: 03 00 00 00 > sda: assuming drive cache: write through > SCSI device sda: 243712 512-byte hdwr sectors (125 MB) > sda: Write Protect is off > sda: Mode Sense: 03 00 00 00 > sda: assuming drive cache: write through > /dev/scsi/host3/bus0/target0/lun0: p1 > Attached scsi removable disk sda at scsi3, channel 0, id 0, lun 0 > Attached scsi generic sg0 at scsi3, channel 0, id 0, lun 0, type 0 > usb-storage: device scan complete > end_request: I/O error, dev fd0, sector 0 > end_request: I/O error, dev fd0, sector 0 > usb 1-1: USB disconnect, address 5 > > > To summarize, the hard drive is well detected when I connect it. The problem > comes after. Lot of people have this device or a similar one and works with > linux. The problem seems to come about selection of driver in database or > initialization communication. I don't know it is what I try to find. > > Another thing : > I check in the directory /sys/block. When I plug in the USB key it appears > /sys/block/sda. With hard drive, nothing. > > What can I do to solve this problem or to approch the problem, to point out > the problem?
For both problems, the best approach is to turn on the USB Mass Storage verbose debugging option in the kernel configuration and rebuild the usb-storage driver. Then post the dmesg output showing what happens when you plug in the hard drive or try to use the key. Alan Stern ------------------------------------------------------- This SF.Net email is sponsored by Yahoo. Introducing Yahoo! Search Developer Network - Create apps using Yahoo! Search APIs Find out how you can build Yahoo! directly into your own Applications - visit http://developer.yahoo.net/?fr=offad-ysdn-ostg-q22005 _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
