When this 2.2.12 kernel networking dies, the eth0 kernel logs show
repeated attempts to discover the appropriate medium as shown below.
kernel 2.2.12, tulip.v091g (or stock v0.89) debug=2,
kernel 2.3.15, stock kernel-tulip.c, debug=2
Acer ALN-310 NIC(21140-AF), AMD-K6 400, 128M, FIC VA-503+ mobo;
both gcc-2.7.2.3 and gcc-2.95,
Telnet to a peer on the same subnet and ping -f back to the local
machine; the local machine's ethernet transmitter breaks.
Networking has died with kernels 2.2.10, 2.2.11, and present 2.2.12
when eth0 usage has ranged from high: intentional ping -f,
intentional "mtr" with a high rate, large ftp; to very low: when the
system has been up but idle. High traffic can stop the network in
seconds.
Only the transmitter stops, the receiver keeps working: that is
a ping -f from a peer keeps sending pings, it's just the replys that
stop being sent.
Network comes back up after /etc/rc.d/init.d/network stop
network start
Aug 27 15:46:59 boska kernel: eth0: Link beat detected for 100baseTx.
Aug 27 15:46:59 boska kernel: eth0: MII status 782d, Link partner report
40a1.
Aug 27 15:47:59 boska kernel: eth0: Media selection tick, 100baseTx,
status fc660000 mode 32042002 SIA ffffff20 ffffffff 1c09fdc0 fffffec8.
Aug 27 15:47:59 boska kernel: eth0: Transceiver monitor tick:
CSR12=0xffffff20 b
it 6 is 0, expecting 0.
Aug 27 15:47:59 boska kernel: eth0: Link beat detected for 100baseTx.
Aug 27 15:47:59 boska kernel: eth0: MII status 782d, Link partner report
40a1.
Aug 27 15:48:13 boska kernel: eth0: 21140 transmit timed out, status
fc660000, S
IA ffffff20 ffffffff 1c09fdc0 fffffec8, resetting...
Aug 27 15:48:13 boska kernel: eth0: Using a 21140 non-MII transceiver with
control setting 00.
Aug 27 15:48:13 boska kernel: eth0: Using media type 100baseTx-FD, CSR12
is 20.
Aug 27 15:48:13 boska kernel: eth0: transmit timed out, switching to
100baseTx-FD media.
Aug 27 15:48:13 boska kernel: eth0: The transmitter stopped. CSR5 is
fc678006, CSR6 32042002, new CSR6 2040000.
Aug 27 15:48:18 boska kernel: eth0: 21140 transmit timed out, status
fc660000, SIA ffffff20 ffffffff 1c09fdc0 fffffec8, resetting...
Aug 27 15:48:18 boska kernel: eth0: Using a 21140 non-MII transceiver with
control setting 00.
Aug 27 15:48:18 boska kernel: eth0: Using media type 10baseT, CSR12 is 20.
Aug 27 15:48:18 boska kernel: eth0: transmit timed out, switching to
10baseT media.
Aug 27 15:48:18 boska kernel: eth0: The transmitter stopped. CSR5 is
fc678006, CSR6 32442002, new CSR6 2440000.
Aug 27 15:48:23 boska kernel: eth0: 21140 transmit timed out, status
fc660000, SIA ffffff20 ffffffff 1c09fdc0 fffffec8, resetting...
Aug 27 15:48:23 boska kernel: eth0: Using a 21140 non-MII transceiver with
control setting 00.
Aug 27 15:48:23 boska kernel: eth0: Using media type 100baseTx-FD, CSR12
is 20.
Aug 27 15:48:23 boska kernel: eth0: transmit timed out, switching to
100baseTx-FD media.
Aug 27 15:48:23 boska kernel: eth0: The transmitter stopped. CSR5 is
fc678006, CSR6 32042002, new CSR6 2040000.
Aug 27 15:48:28 boska kernel: eth0: 21140 transmit timed out, status
fc660000, SIA ffffff20 ffffffff 1c09fdc0 fffffec8, resetting...
Aug 27 15:48:28 boska kernel: eth0: Using a 21140 non-MII transceiver with
control setting 00.
Aug 27 15:48:28 boska kernel: eth0: Using media type 10baseT, CSR12 is 20.
Aug 27 15:48:28 boska kernel: eth0: transmit timed out, switching to
10baseT media.
Aug 27 15:48:28 boska kernel: eth0: The transmitter stopped. CSR5 is
fc678006, CSR6 32442002, new CSR6 2440000.
and so on
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Andy Barlak
Q) When was the last time your computer was backed up?
A) My computer is against a wall and cannot be backed up any further