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.
--
Ethernet (nVidia MCP55) not working [ gutsy, hardy]
https://bugs.launchpad.net/bugs/136836
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