Comment 18 for bug 573981

Haven't seen too many new reports of the symptom. Perhaps this was fixed in
later upgrades. The workaround; removing usbmount using Synaptic, seems to
work when it does occur.

On Thu, Jan 27, 2011 at 7:19 AM, igor <email address hidden> wrote:

> Any news on this bug? Any fix coming soon?
>
> [582809.422695] FAT: Filesystem error (dev sdb3)
> [582809.422704] invalid access to FAT (entry 0xe32519bc)
> [582809.422710] File system has been set read-only
>
> Another fat drive that was working fine previously.
>
> --
> You received this bug notification because you are a direct subscriber
> of the bug.
> https://bugs.launchpad.net/bugs/573981
>
> Title:
> Ubuntu 10.04 - VFAT usb drives mount with root access only
>
> Status in Ubuntu:
> Confirmed
>
> Bug description:
> On a fresh install of Ubuntu 10.04 Desktop 32 bit, not an upgrade, all
> USB VFAT drives I've tried mount with root access only which means I
> can not create or edit files or folders on these drives. The
> workaround I found was to use the Disk Utility to unmount and then
> mount the drives. This changed permissions on the drives to my login.
> However every time the system is rebooted the USB VFAT drives mount
> with root permissions only and the same procedure with Disk Utility
> has to be repeated for all the VFAT usb drives, same as before. The
> problem does not occur on the same drives, on the same system with
> ubuntu 9.10 Desktop 32 bit. The drives mount with permissions for me
> every time with Ubuntu 9.10 Desktop 32 bit.
>
> Examining fstab I noticed there is a line in it in Ubuntu 9.10 that is
> not present in Ubuntu 10.04 with respect to mounting usb drives. That
> line is:
>
> none /proc/bus/usb usbfs auto,devmode=0666 0 0
>
> Placed that line in fstab in the 10.04 load and found the system would
> not boot without bypassing that line. The choice was to skip
> processing that line or manually attempt to force it.
>
> Anyone installing a VFAT usb drive who encounters this symtom will not
> be able to copy files to the drive, nor edit existing files or folders
> at all without using the Disk Utility workaround I discovered.
>
> Have no idea what packages are involved in this. It's a problem
> mounting VFAT usb drives for sure. Haven't tried NTFS or EXT type usb
> file systems.
>
> Simply pulling out the drive connector and re-installing it does not
> fix the problem. Drive Utility must be used.
>
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