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Subjectrtl8139 (8139too) net problem in linux 2.6.10
Hello all,

I have a problem with my RTL-8139C based CardBus network interface.
I'm using the 8139too driver of linux-2.6.10.

When outgoing traffic becomes high it is interrupted for several
seconds and i get this:

sort kernel: NETDEV WATCHDOG: eth1: transmit timed out
sort kernel: eth1: Transmit timeout, status 0d 0000 c07f media 00.
sort kernel: eth1: Tx queue start entry 8588 dirty entry 8584.
sort kernel: eth1: Tx descriptor 0 is 00120386. (queue head)
sort kernel: eth1: Tx descriptor 1 is 0012003c.
sort kernel: eth1: Tx descriptor 2 is 00120056.
sort kernel: eth1: Tx descriptor 3 is 0012003c.
sort kernel: eth1: link up, 100Mbps, full-duplex, lpa 0x41E1

after some seconds the network traffic resumes but almost
immediately after I get an other 'transmit timed out' and so on...

Output of 'rtl8139-diag -af' is
rtl8139-diag.c:v2.11 4/22/2003 Donald Becker (becker@scyld.com)
http://www.scyld.com/diag/index.html
Index #1: Found a RealTek RTL8139 adapter at 0x4000.
RealTek chip registers at 0x4000
0x000: 354f3000 00007fda 80000000 40800000 0008a062 0008a03c 0008a03c
0008a062
0x020: 1f3dc000 1f3dc600 1f3dcc00 1f3dd200 1ec70000 0d0a0000 00640054
0000c07f
0x040: 74000680 0000f7ce 33c2d3de 00000000 000d1000 00000000 0089cd00
00100000
0x060: 1100f00f 01e1782d 000141e1 00000000 00000004 000417c8 b0f243b9
8a36df43.
Realtek station address 00:30:4f:35:da:7f, chip type 'rtl8139C'.
Receiver configuration: Normal unicast and hashed multicast
Rx FIFO threshold 2048 bytes, maximum burst 2048 bytes, 32KB ring
Transmitter enabled with NONSTANDARD! settings, maximum burst 1024
bytes.
Tx entry #0 status 0008a062 complete, 98 bytes.
Tx entry #1 status 0008a03c complete, 60 bytes.
Tx entry #2 status 0008a03c complete, 60 bytes.
Tx entry #3 status 0008a062 complete, 98 bytes.
Flow control: Tx disabled Rx disabled.
The chip configuration is 0x10 0x0d, MII half-duplex mode.
No interrupt sources are pending.


Can anybody please help me ?

Many thanks,

-marco

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