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  1. Bug #136836
  2. Comment #13

Comment 13 for bug 136836

Revision history for this message
Jakub Argasiński (argasek) wrote : Re: Ethernet (nVidia MCP55) not working [ gutsy, hardy]

Confirming on Hardy beta; indeed, it's a kernel (actually, forcedeth driver) bug. Forcedeth driver is known to fail for some reason if Message Signalled Interrupts (MSI) are enabled.

lspci -v:
00:11.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a2)
        Subsystem: ASUSTeK Computer Inc. Unknown device 81fb
        Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 506
        Memory at efffa000 (32-bit, non-prefetchable) [size=4K]
        I/O ports at ec00 [size=8]
        Memory at efff9000 (32-bit, non-prefetchable) [size=256]
        Memory at efff8000 (32-bit, non-prefetchable) [size=16]
        Capabilities: [44] Power Management version 2
        Capabilities: [70] MSI-X: Enable- Mask- TabSize=8
        Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/3 Enable+
        Capabilities: [6c] HyperTransport: MSI Mapping

00:12.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a2)
        Subsystem: ASUSTeK Computer Inc. Unknown device 81fb
        Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 507
        Memory at efff7000 (32-bit, non-prefetchable) [size=4K]
        I/O ports at eb00 [size=8]
        Memory at efff6000 (32-bit, non-prefetchable) [size=256]
        Memory at efff5000 (32-bit, non-prefetchable) [size=16]
        Capabilities: [44] Power Management version 2
        Capabilities: [70] MSI-X: Enable- Mask- TabSize=8
        Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/3 Enable+
        Capabilities: [6c] HyperTransport: MSI Mapping

Asus P5NT WS motherboard.