TCP differences in 7.2 vs 7.1
Lev Serebryakov
lev at FreeBSD.org
Mon May 18 08:27:34 UTC 2009
Hello, Lars.
You wrote 14 мая 2009 г., 12:28:43:
> Reproducing the issue is as easy as setting net.inet.tcp.tso=1.
> What's interesting is that I only see the issue on one of the eight em
> interfaces. That interface is connected to a D-Link DIR-655 WLAN
> router. When I tcpdump on the other interfaces with TSO enabled, I see
> no "IP bad-len 0" messages.
I have same problem (every one of 100-200 frames) on on-board if_em:
em0 at pci0:0:25:0: class=0x020000 card=0x82681043 chip=0x10bd8086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82566DM-2 Gigabit Network Connection'
class = network
subclass = ethernet
--
// Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>
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