The bug 6227 (RedHat 6.0) is also present in 6.1/sparc:
From time to time the kernel (?) tries to acces beyond the end
of the swap device.
This time, the problem was not accompanied by a simultaneous
Bug 9777 is being closed because Red Hat 6.1 is end of lifed and Red Hat no
longer is maintaining a Sparc port. Please look at the http://auroralinux.org
group which has taken up where Red Hat had to leave off.