Try cat /proc/interrupts or /var/log/messages to see if it get interrupt.
Seems to have one: sh-3.1# cat /proc/interrupts CPU0 CPU1 0: 4906 0 IO-APIC-edge timer 1: 2 0 IO-APIC-edge i8042 2: 0 0 XT-PIC-XT cascade 4: 90 0 IO-APIC-edge serial 8: 0 0 IO-APIC-edge rtc 12: 4 0 IO-APIC-edge i8042 19: 71 0 IO-APIC-fasteoi ohci_hcd:usb1, ohci_hcd:usb2 27: 6 0 IO-APIC-fasteoi eth0 1279: 62 0 PCI-HT-edge ib_ipath NMI: 72 31 LOC: 4826 4819 ERR: 0
I have to cart it to the rack to actually try the IB, and since I'm having to hot-swap from the Iwill bios every time I flash (any clue why flashrom -w when booting under LB fails immediately with "ERASE FAILED" and trashes the image in flash?) I was hoping we could get the MTRR thing licked too before I actually do a 'does it really work and how fast' test. The MTRR complaints are not normal and don't happen under the Iwill bios.
Full bootlog including /proc/interrupts, iomem, mtrr, ioports attached.
-mcq