Should i care about "Invalid checksum" message

[Joerg Spilker]

Hello,

i´m using SuSE Linux 6.2 with 2.2.10 kernel and V099.L of the vortex
drivers. My system has two networks cards, i 3c905c and a 3c900b. 

When booting the system, i got an "invalid checksum" message from the
driver.

Feb  4 18:11:09 bbs-is01 kernel: 3c59x.c:v0.99L 5/28/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
Feb  4 18:11:09 bbs-is01 kernel: eth0: 3Com 3c905C Tornado at 0xb000, 
***INVALID CHECKSUM 002f***  00:50:da:3d:50:4e, IRQ 15
Feb  4 18:11:09 bbs-is01 kernel:   8K byte-wide RAM 5:3 Rx:Tx split,
autoselect/Autonegotiate interface.
Feb  4 18:11:09 bbs-is01 kernel:   MII transceiver found at address 24,
status 7809.
Feb  4 18:11:09 bbs-is01 kernel:   Enabling bus-master transmits and
whole-frame receives.
Feb  4 18:11:09 bbs-is01 kernel: eth1: 3Com 3c900 Cyclone 10Mbps Combo
at 0xa400,  00:50:04:2e:59:87, IRQ 15
Feb  4 18:11:09 bbs-is01 kernel:   8K byte-wide RAM 5:3 Rx:Tx split,
autoselect/Autonegotiate interface.
Feb  4 18:11:09 bbs-is01 kernel:   MII transceiver found at address 24,
status 1809.
Feb  4 18:11:09 bbs-is01 kernel:   Enabling bus-master transmits and
whole-frame receives.

Should i care about the message? Everything seems to workf fine. I tried
to compile the newest version 0.99N of the drivers (downloaded from the
Web). But this version doesn´t seem to be made for kernel 2.2 (it tries
to include k_compat.h and pci-netif.h from the drivers/net directory
which doesn´t exist).

Anything got a working system with the 3c90x drivers from 3Com? I
downloaded the sources, patches it against Kernel 2.2.10 and compiled it
as module with no problems. After setting a new alias for eth0, the
module recognized both cards but with no working connections over both
cards.

Greetings, Joerg Spilker
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