Re: MicroSD card mounts read-only

On Tue, December 30, 2008 11:28 am, darkweasel wrote:
Jason Crain schrieb:
A couple more things: After
you plug in the card, check the last few lines from the "dmesg" command.
Linux may change it to read only if it encounters errors from the
device.

[31788.888650] sd 6:0:0:3: [sde] 3842048 512-byte hardware sectors (1967
MB)
[31788.893145] sd 6:0:0:3: [sde] Write Protect is on
[31788.893155] sd 6:0:0:3: [sde] Mode Sense: 23 00 80 00
[31788.893162] sd 6:0:0:3: [sde] Assuming drive cache: write through
[31788.898145] sd 6:0:0:3: [sde] 3842048 512-byte hardware sectors (1967
MB)
[31788.902520] sd 6:0:0:3: [sde] Write Protect is on
[31788.902530] sd 6:0:0:3: [sde] Mode Sense: 23 00 80 00
[31788.902536] sd 6:0:0:3: [sde] Assuming drive cache: write through
[31788.902546] sde:

Also try running "mount" with no arguments. It should show you if the
device is mounted read only (ro)

Yes, it does.
/dev/sde on /media/card type vfat
(ro,nosuid,nodev,umask=0000,user=darkweasel)

Try unmounting and checking the filesystem:
sudo umount /dev/sde
sudo fsck.vfat -r /dev/sde

And then see if you can mount it writable:
sudo mount /dev/sde /media/card -o rw,user=darkweasel,umask=0000

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