I'm seeing this problem on my Acer Travelmate 223X laptop with built-in
Realtek 8139: The ethernet stops working, usually after at most a few
minutes operation. The problem appears in kernel 2.6.16 and 2.6.17, but not
in 2.6.15.
It prints the following in the syslog:
Jun 28 07:50:36 kelev kernel: NETDEV WATCHDOG: eth0: transmit timed out
Jun 28 07:50:39 kelev kernel: eth0: link up, 100Mbps, half-duplex, lpa
0x40A1
Jun 28 07:50:51 kelev kernel: NETDEV WATCHDOG: eth0: transmit timed out
Jun 28 07:50:54 kelev kernel: eth0: link up, 100Mbps, half-duplex, lpa
0x40A1
Jun 28 07:51:06 kelev kernel: NETDEV WATCHDOG: eth0: transmit timed out
Jun 28 07:51:09 kelev kernel: eth0: link up, 100Mbps, half-duplex, lpa
0x40A1
Jun 28 07:51:21 kelev kernel: NETDEV WATCHDOG: eth0: transmit timed out
Jun 28 07:51:24 kelev kernel: eth0: link up, 100Mbps, half-duplex, lpa
0x40A1
I've exchanged the hub and network cables, to no avail.
Results of lspci -vvv:
01:05.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
Subsystem: Realtek Semiconductor Co., Ltd. RT8139
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 11
Region 0: I/O ports at 9000 [size=256]
Region 1: Memory at a0100000 (32-bit, non-prefetchable) [size=512]
Capabilities: [60] Vital Product Data
Marcus
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