Kernel 2.6.22 default Ubuntu Gutsy
 Using cxgb3 1.0 driver that comes with that kernel

 Asus L1N64-SLI motherboard
 8 GB RAM
 2 x dual-core AMD Opteron 2212, 2 GHz

 12-disk SATA software RAID-0 capable of ~5 Gbit/s
 used on 13Oct2007: 11-disk RAID0 with JFS, power-on button on 12th disk is not working