Vik> But, when you start transferring high volume traffic over this
Vik> NIC, that driver seems to stop transmitting and/or receiving
Vik> packets. And then you're out of business ;-)
Vik> service network stop ; modprobe -r module ; service network start
Vik> And everything works again for a while. Bottom line is that the
Vik> module for this NIC is not stable.
I've lately noticed similar problems with high system loads or high network
traffic. I'm networking two machines and using NFS to remotely mount
filesystems.
/var/log/messages shows the following errors:
localhost kernel: NETDEV WATCHDOG: eth0: transmit timed out
This is with version 1.0.1 (08/26/02) of bcm4400.o
Some options:
1. If you have a Dell Machine, perhaps you could file a trouble report with
them (if they provide any Linux support).
2. File a report with Broadcom. I couldn't find their web site, but their
corporate address is
Broadcom Corporation
16215 Alton Parkway,
Irvine, CA 92619-7013
3. Try other driver options on the insmod command line (or in
/etc/modules.conf). Perhaps enabling flow control?? Options are
defined in the RELEASE.TXT file accompanying the driver source.
4. What kernel are you running? I had few problems with 2.4.18, but am
experiencing problems with 2.4.19. Maybe going back to 2.4.18 would
help, if you're not currently using it.
5. I see that changes went into the 2.5.47 kernel for the Broadcomm driver;
here is a comment from the 2.5.47 release notes:
Jeff Garzik <jgarzik@redhat.com>:
o Merge DaveM's cleanup of Broadcom's GPL'd 4401 net driver
Perhap Jeff Garzik or DaveM (whoever that is) can shed some light on
this.
--
Ron Olsen
Boulder Colorado
ron_olsen@qwest.net
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