[openib-general] has anyone tried MSI-X on Opteron?

[Hal Rosenstock]

On Thu, 2005-01-13 at 11:51, Grant Grundler wrote:
> Please use "lspci -vvs 02:00.0" - this will dump the contents of the
> MSI address/data regs.

lspci -vvs 02:00.0
02:00.0 InfiniBand: Mellanox Technology MT23108 InfiniHost (rev a1)
        Subsystem: Mellanox Technology MT23108 InfiniHost
        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B-
        Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Interrupt: pin A routed to IRQ 209
        Region 0: Memory at fc500000 (64-bit, non-prefetchable) [size=1M]
        Region 2: Memory at ea800000 (64-bit, prefetchable) [size=8M]
        Region 4: Memory at e0000000 (64-bit, prefetchable) [size=128M]
        Capabilities: [40] MSI-X: Enable- Mask- TabSize=32
                Vector table: BAR=0 offset=00082000
                PBA: BAR=0 offset=00082200
        Capabilities: [50] Vital Product Data
        Capabilities: [60] Message Signalled Interrupts: 64bit+ Queue=0/5 Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [70] PCI-X non-bridge device.
                Command: DPERE- ERO- RBC=3 OST=1
                Status: Bus=2 Dev=0 Func=0 64bit+ 133MHz+ SCD- USC-, DC=simple, DMMRBC=3, DMOST=1, DMCRS=0, RSCEM-

The problem is as Roland stated:
My Opteron machine uses the AMD 8131 and it doesn't support MSI-X.

-- Hal