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A week a ago I noticed that I can not mount any USB devices on my laptop and my desktop computer. Both machines where running the Kernel 3.5.6. Important to mention is that my mouse and my keyboard where recognized fine, but any other USB device like USB sticks and my scanner where not recognized.
After I updated to Kernel 3.6.2 [typo before 1.6.2] today I am able to acces my SanDisk Cruzer USB stick with fat32 filesystem on both machines. I am able read the contents but I can not read from it. My other USB stick (LaCie, Ltd iamaKey V2 - also with fat32) is recognized but I am unable to mount it. Also my scanner is recognized but I can not access it.
I am not sure if I might miss something when running the updates. Any help on this is really appreciated because this bug starts annoying me. ;-)
Last edited by senior_spielbergo (2012-10-15 14:27:52)
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After I updated to Kernel 1.6.2 today
I think you mean the 3.6.2 version :-)
Reboot and try again.
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Hey you are right I mean 3.6.2 ;-)
I already rebooted because I noticed a couple of kernels earlier that you need to in order to use USB device. But thanks for this hint :-)
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Can you give more info, what commands did you use, what was the exact error etc.
my SanDisk Cruzer USB stick with fat32 filesystem on both machines. I am able read the contents but I can not read from it.
My other USB stick (LaCie, Ltd iamaKey V2 - also with fat32) is recognized but I am unable to mount it.
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Hey, thanks for the reply. I fixed most of the problems myself now. Now I can use my scanner again and mount both USB sticks (the filesystem on the LaCie, Ltd iamaKey V2 was corrupted).
But I still can not write on the USB sticks. Does anybody know what could be the problem. Another thing I noticed is that the USB drives are not mounted automatically anymore. Maybe this is linked with the other problem.
Thanks for any hints on this :-)
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I've already hinted that you should provide more info :-)
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Since I have no idea what could cause this error I can only provide the commands I try to run in the terminal to check for the error. Normally I just use the automount option which comes with gnome but does not work anymore.
First I created a folder "/media/usb"
sudo mkdir /media/usbThen I used the mount command to mount the USB stick. This works fine and I can access the stick.
sudo mount /dev/sdf /media/usbI can copy data from the stick, but I can not copy, move or delete any data to/from it. Even if I try this as a root it does not work.
cp test /media/usb
cp: cannot create regular file ‘/media/usb/test’: Read-only file system
sudo cp test /media/usb
[sudo] password for david:
cp: cannot create regular file ‘/media/usb/test’: Read-only file systemOffline
Please post the output of 'mount | column -t' with the stick mounted.
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Ok, I see that it is only mounted read-only...
/dev/sdf on /media/usb type udf (ro,relatime,utf8)...so I tried to find out how to mount it with read-write access and ended up with:
sudo mount /dev/sdf /media/usb -o rwThe result is the same though. It is still mounted with read-only access.
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It says 'type udf' and not fat32. Any idea why?
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Hmm, that is very strange since fdisk prints this:
sudo fdisk -l /dev/sdf
Disk /dev/sdf: 8065 MB, 8065646080 bytes, 15753215 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000d3685
Device Boot Start End Blocks Id System
/dev/sdf1 * 2048 15751167 7874560 b W95 FAT32Offline
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