Fred Grayson wrote:
> Quoting the author, Manuel Kasper, it's "probably because 1.3b10 is 
> too large to fit in the MFS that 1.233 allocates for a firmware upgrade.
> Try upgrading from 1.233 to 1.3b7 (which is a bit smaller) first, and
> then from 1.3b7 to 1.3b10."
>
> URL for the suggested 1.3b7:
>
> http://m0n0.ch/wall/downloads-local/generic-pc-1.3b7.img
>
> I was able to complete the upgrade using the method suggested by 
> Manuel. However, 1.3b10 did not work for me here and I went back to 
> 1.233. I don't recall if 1.3b7 was mangled here for me as well or not 
> though; I just wanted to get back up and running on what has been 
> working perfectly - 1.233.
>
> Hope this gets you where you want to be. And maybe Manuel will produce 
> a 1.233 with the larger MFS needed to upgrade via m0n0wall itself. He 
> indicated he might.

fyi... I just had this same issue on generic-pc.  Upgrading from 1.233 
to 1.3b7 and then going to 1.3b10 worked.