http://marc.info/?l=linux-sparc&m=117641290613886&w=2 unaligned access in ipt_ULOG. http://marc.info/?l=linux-sparc&m=117636939922945&w=2 Ultra2 hangs with heavy disk I/O. Please apply, thanks.
Created attachment 116509 [details, diff] ipt_ULOG alignment patch
Created attachment 116511 [details, diff] Ultra2 heavy disk I/O hang fix
Just added both patches (well I pulled the original ones from Linus' tree) to SVN. They should be in the next genpatches release.
Fixed in gentoo-sources-2.6.20-r7