Running Gentoo on a SunFire T1000 as a Logical Domain. Kernel Panic for unknown reason. Reproducible: Didn't try # uname -a Linux proxy 2.6.36-gentoo-r8 #3 SMP Sun Apr 3 11:45:28 CEST 2011 sparc64 sun4v UltraSparc T1 (Niagara) GNU/Linux
Created attachment 268593 [details] Trace of the Kernel Panic
Have you tried a newer kernel? I'd suggest you report this to the sparc-kernel mailing list