automount removable media mounts as read only though mtab says rw

Bug #161154 reported by Dan Kortschak on 2007-11-09
Affects Status Importance Assigned to Milestone

Bug Description


$ uname -r

Automounted media (USB thumb drive) mounts as rw according to mtab:
$ grep disk /etc/mtab
/dev/sdb1 /media/disk vfat rw,nosuid,nodev,shortname=mixed,uid=1000,utf8,umask=077,usefree 0 0

but /media/disk responds as read only:
$ touch /media/disk/test
touch: cannot touch `/media/disk/test': Read-only file system

pmounting removable media results in the same issue, though mounting using mount at /mnt allows rw access.

Dan Kortschak (dan-kortschak) wrote :

Close this - this seems to be a FAT fs corruption problem with large files.

briandotcom0 (briandotcom0) wrote :

I had this problem also, my mp3 player mounted rw, but the sd card in it mounted ro. Fixed with:
"mount -t fat32 /dev/sde1 /media/6AEA-B89E/ -o remount,rw,uid=6AEA-B89E"
The file system had no files in it larger than a few 100 megs, so I wouldn't be sure its FAT fs corruption.

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