[debian/fso] 2.6.28-20090105.git69b2aa26 weird jiffs2 messages in dmesg

[arne anka]

> It seems that it takes a long long while to mount the jffs2 partition
> you have.  The first thing "CPU 0 stall" is just a comment that you seem
> to be stuck for two minutes, then the second thing is a diagnostic
> talking about what you are stuck on.  It seems you are stuck on mounting
> the jffs2 partition.
>
> Lastly the jffs2 warning about summaries... IIRC this is to do with how
> the jffs2 filesystem image was composed when it was built.... there was
> something about slow mount and broken summaries when the jffs2 image was
> created with wrong block size as I recall.

ok ...
so, what to do about it?