Any reason the megaraid driver is not using MSI ? eg. On a Dell system, the Perc is MSI capable - Subsystem: Dell PowerEdge Expandable RAID Controller 4e/Di Flags: bus master, stepping, 66Mhz, medium devsel, latency 64, IRQ 193 Memory at f80f0000 (32-bit, prefetchable) [size=64K] Memory at fe9c0000 (32-bit, non-prefetchable) [size=256K] Expansion ROM at fea00000 [disabled] [size=128K] Capabilities: [c0] Power Management version 2 Capabilities: [d0] Message Signalled Interrupts: 64bit+ Queue=0/1 Enable- Capabilities: [e0] PCI-X non-bridge device Roger While - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
