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+--- Thread: usb device no longer being detected/mounted (/thread-2105.html)
usb device no longer being detected/mounted - shadowphone - 2006-03-08
Hello. I've had some trouble with my usb based mp3 player. It was working a week ago but now when I plug it in nothing happens. I also had problems getting my dvd drives working but someone helped me out by editing the fstab file, so now dvds are detected again.
I don't know how to go about fixing the USB problem however. SHould there be a USB entry in the fstab? And if so could someone write how it should look like? Thanks in advance. any help would be greatly appreciated.
/dev/hda2 / reiserfs acl,user_xattr 1 1
/dev/hda1 /boot ext2 acl,user_xattr 1 2
/dev/hdc1 /windows/C ntfs ro,users,gid=users,umask=0002,nls=utf8 0 0
/dev/hda3 swap swap pri=42 0 0
devpts /dev/pts devpts mode=0620,gid=5 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs noauto 0 0
/dev/dvdram /media/dvdram subfs noauto,user,fs=cdfss,ro,procuid,nosuid,nodev,exec,iocharset=utf8 0 0
/dev/hdb /media/dvd subfs noauto,user,fs=cdfss,ro,procuid,nosuid,nodev,exec,iocharset=utf8 0 0
#/dev/dvd /media/dvd subfs noauto,fs=cdfss,ro,procuid,nosuid,nodev,exec,iocharset=utf8 0 0
/dev/dvd /media/dvd subfs noauto,fs=cdfss,ro,procuid,nosuid,nodev,exec,iocharset=utf8 0 0
usb device no longer being detected/mounted - z0ny - 2006-03-09
Unplug the device, run 'dmesg|tail', reinsert the stick, run dmesg|tail' again and check what's happening. If all drivers have been loaded successfully you should see that a SCSI device has been attached to for example sda.
Once you verified that try to mount the device manually using 'mount /dev/sda /mnt/usbstick' (create /mnt/usbstick if it doesn't exist yet). If that worked run 'umount /mnt/usbstick' to unmount the device and add an entry like the following to your /etc/fstab file:
Code:
/dev/sda /mnt/usbstick auto noauto,user 0 0That means: "map" the device /dev/sda to the mount point /mnt/usbstick, try to automatically find the filesystem used on the stick, do not mount the device on boot, let a user mount it and do not do any filesystem checking.
From now on you can mount the stick with 'mount /mnt/usbstick' and unmount it with 'umount /mnt/usbstick'.
Note: depending on the data organization of the USB stick you have to substitute sda with sda1 but you'll see that after the second step!
usb device no longer being detected/mounted - shadowphone - 2006-03-11
thanks for the info. I copied that fstab info, altered it a little to fit the mount point on my machine and it worked! many thanks