Public bug reported: Support for the NICs in my system was removed between 2.6.15-23 and 2.6.15-25.
My Devices (via 'lspci -v'): 0000:00:05.0 Ethernet controller: Davicom Semiconductor, Inc. 21x4x DEC-Tulip compatible 10/100 Ethernet (rev 31) Flags: bus master, medium devsel, latency 160, IRQ 7591936 I/O ports at 2010100 [size=256] Memory at 000001ff00002000 (32-bit, non-prefetchable) [size=256] Expansion ROM at 0000000000100000 [disabled] [size=256K] Capabilities: [50] Power Management version 2 0000:00:0c.0 Ethernet controller: Davicom Semiconductor, Inc. 21x4x DEC-Tulip compatible 10/100 Ethernet (rev 31) Flags: bus master, medium devsel, latency 160, IRQ 7591232 I/O ports at 2010000 [size=256] [virtual] Memory at 000001ff00000000 (32-bit, non-prefetchable) [size=256] Expansion ROM at 0000000000040000 [disabled] [size=256K] Capabilities: [50] Power Management version 2 If you do "modinfo tulip" for the 2.6.15-23 kernel, it includes these two lines: alias: pci:v00001282d00009102sv*sd*bc*sc*i* alias: pci:v00001282d00009100sv*sd*bc*sc*i* That's the only difference between the tulip modules in 2.6.15-23 and 2.6.15-25 that I can determine. cat /proc/bus/pci/devices shows my two ethernet devices as (while booted into 2.6.15-23): 0028 12829102 73d800 1fe02010101 1ff00002000 0 0 0 0 1ff00100001 100 100 0 0 0 0 40000 tulip 0060 12829102 73d540 1fe02010001 1ff00000000 0 0 0 0 1ff00040000 100 100 0 0 0 0 40000 tulip ** Affects: linux-source-2.6.15 (Ubuntu) Importance: Untriaged Status: Unconfirmed -- Support removed for previously supported Tulip NIC removed in 2.6.15-25 https://launchpad.net/bugs/50493 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs