I'm connected with a PCI wired card, directly to my ISP cablemodem. lspci -vvv shows
01:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) Subsystem: Giga-byte Technology GA-7VM400M/7VT600 Motherboard 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- Latency: 32 (8000ns min, 16000ns max) Interrupt: pin A routed to IRQ 201 Region 0: I/O ports at c800 [size=256] Region 1: Memory at e6000000 (32-bit, non-prefetchable) [size=256] Capabilities: [50] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0-,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- I've found that using the previous kernel 2.6.15-27-k6, everything works as expected. With the new kernel, removing the session restore info from .kde, network seems to run as long as I do not open any networking program. Once I open kopete, skype or amule, network crashes. This can be found in the kernel log (newest first): 01/10/06 19:11:16 localhost kernel [ 381.714008] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1 01/10/06 19:11:16 localhost kernel [ 381.713991] eth0: Tx descriptor 3 is 0008a04c. 01/10/06 19:11:16 localhost kernel [ 381.713988] eth0: Tx descriptor 2 is 0008a062. (queue head) 01/10/06 19:11:16 localhost kernel [ 381.713985] eth0: Tx descriptor 1 is 0008a04d. 01/10/06 19:11:16 localhost kernel [ 381.713982] eth0: Tx descriptor 0 is 0008a058. 01/10/06 19:11:16 localhost kernel [ 381.713979] eth0: Tx queue start entry 810 dirty entry 806. 01/10/06 19:11:16 localhost kernel [ 381.713973] eth0: Transmit timeout, status 0c 0005 c07f media 10. 01/10/06 19:11:13 localhost kernel [ 378.716792] NETDEV WATCHDOG: eth0: transmit timed out -- Network down after Dapper -> Edgy beta update when kde session starts https://launchpad.net/bugs/63390 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs