On Wed, Dec 13, 2006 at 02:55:58PM +0200, Alexander V. Butenko wrote:
> Hello,
> 
> Today i create a new disk with ext3 and was going to mount it readonly
> on my netbsd installation.
> 
> Here is a problem:
> 
> # mount_ext2fs /dev/wd0g /mnt  
> mount_ext2fs: /dev/wd0g on /mnt: incorrect super block
> # mount_ext2fs /dev/wd0g /mnt -o ro
> usage: mount_ext2fs [-o options] special node
> # mount_ext2fs -o ro /dev/wd0g /mnt 
> mount_ext2fs: /dev/wd0g on /mnt: incorrect super block

Was your ext3 filesystem cleanly unmounted under Linux?

Pavel