I see the same error in the same circumstances with Ubuntu 9.04 Server i386 (Kernel 2.6.28-11-generic) on a Mac Mini 1.66 GHz Core Duo.
I see the same error in the same circumstances with Ubuntu 9.04 Server i386 (Kernel 2.6.28-11-generic) on a Mac Mini 1.66 GHz Core Duo.