CVS commit: src/sys/dev/pci

["Julio M. Merino Vidal" <jmmv%netbsd.org@localhost>]

Module Name:    src
Committed By:   jmmv
Date:           Tue Jan 25 17:02:10 UTC 2005

Modified Files:
        src/sys/dev/pci: if_vr.c

Log Message:
Capture incomplete packets coming from the card, as this driver doesn't
support this feature.  This avoids multiple crashes that I've had in the
past.  Also ensure that packets are not empty when DIAGNOSTIC is set.

However, this is just another sanity check of the received packets, but
does not address the real problem.  The issue seems to be the following:
if the card receives data while doing a reset (vr_init), it later finds
a bunch of empty packets in the receive ring.

This explains the crashes I've hit: running a program which needs
promiscuous mode (dhclient) while the card was already running in
that mode (tcpdump).  In this situation, it's easy that the second
reset receives stuff from the network.

Unfortunately, I don't know why the card is producing these packets...

While here, fix a typo in a comment.


To generate a diff of this commit:
cvs rdiff -r1.71 -r1.72 src/sys/dev/pci/if_vr.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.