Umount issue on upfrading

[Denis Vlasenko]

On Thursday 28 June 2007 17:52, Stephen Beaver wrote:
> ARM based (EP9301) system with Cirrus logic "crater" distro. Kernel 2.6.17 &
> BB 1.1.3
> 
> On upgrading from an earlier system (2.4.21 & an early BB), I find that I
> can no longer make umount work.
> 
> This is what I see:
> 
> # mkdir /mnt/temp
> # mount -t jffs2 /dev/mtdblock3 /mnt/temp
> # mount
> # <SNIP>
> # /dev/mtdblock3 on /mnt/temp type jffs2 (rw)
> 
> So far so good. An "ls" on /mnt/temp displays the files that are on that
> device. But ...
> 
> 
> # umount /dev/mtdblock3
> # umount: Couldn't  umount /dev/mtdblock3: Inappropriate ioctl for device
> 
> I have been unable to find a cause for this error.


Can you do

strace -o umount.log umount /dev/mtdblock3

and send log to list?
--
vda