I just got myself an el cheapo 100MB NIC, with drivers from Donald
Beckers page. (http://www.scyld.com)
On these pages it is stated that:
-- The current revision of the Winbond 840 appears to have a horribly broken transmit queue. Only 2048 bytes can be allowed into the transmit queue at a time. While the driver has been restructured to reduce the impact of this bug, the Winbond chip will have a higher interrupt rate and ofter lower transmit throughput than other chips. --The driver compiles and loads nicely. (On 2.2.x at least :-) But when I try to send any data over it I get TONS of these messages:
Jun 24 20:26:44 surplomb kernel: eth1: Oversized Ethernet frame spanned multiple buffers, entry 0x1 status 80000000!
The entry number climbs from 0x1 and upwards (increment by 1 each time) until I bring down the interface.
Is this just a result of the broken transmit queue, or is it driver/kernel related?
I tried it on 2.2.14(both SMP and UP, stock RedHat 6.2 kernel) and on 2.2.16 and 2.2.17pre6 with the latest drivers from ftp.scyld.com (v1.0)
System is a 2xP2/350 Asus P2B-DS, 192MB RAM. Using both IDE disks, and SCSI throug the AIC7xxx driver.
-- joS˛e
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