What is trying to write to a write-protected memory card?

[Wojciech Puchar]

> Thunar (xfce 4.4) along with hal has no problem automounting an SD card... 
> unless that card is write-protected.
>
> There's a delay while the system tries and thinks it fails to mount the 
> card--twice.  Eject the card and the system reboots as if it was mounted. 
> Try a clean shutdown and the system eventually gives up with one buffer 
> remaining.
>
> Is it Thunar trying to write something to the card, or hal, or something 
> else?
>
most probably your automounter mounts everything r/w and don't know that 
card is write protected.