We have recently been migrating a number of applications from running under RedHat linux JDK1.6.0_03 to Solaris 10u8 JDK1.6.0_16 (much higher spec machines) and we have not
Which kind of SIGSEV errors exactly do you encounter?
If you run a 32bit VM, it could be what I described here: http://janvanbesien.blogspot.com/2009/08/mysterious-jvm-crashes-explained.html