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Re: can't unmount USB key

On Fri, Jul 31, 2009 at 06:57:41PM +0200, Manuel Bouyer wrote:
> Hi,
> today I made the mistake of removing the USB key before unmounting it.
> Bad surprise, the mount can't be unmounted from now on, even after replugging
> the key. No combination of umount with -R, -f, the mount point or the block
> device would work, it would either give "I/O error" or "Invalid argument".
> Ktrace shows:
>  12790      1 umount   CALL  unmount(0x1fffff892,0)
>  12790      1 umount   NAMI  "/zip"
>  12790      1 umount   RET   unmount -1 errno 5 Input/output error
> This is on netbsd-5. Can something be done to improve this situation ?

BTW reboot didn't have problems umounting this dead filesystem,
so it's really frustrating :)

Manuel Bouyer, LIP6, Universite Paris VI.  
     NetBSD: 26 ans d'experience feront toujours la difference

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