netbsd-bugs: Re: kern/36097: http fetch stall in networking code

Subject: Re: kern/36097: http fetch stall in networking code
To: None <gnats-bugs@NetBSD.org>
From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
List: netbsd-bugs
Date: 03/30/2007 19:31:53

> 11:05:13.212062 IP polaris.64773 > muumi.lnet.lut.fi.www: . ack 89330 win 33580 <nop,nop,sack sack 1 {90790:121450} >
> 11:05:13.232197 IP muumi.lnet.lut.fi.www > polaris.64773: . 121450:122910(1460) ack 178 win 1728
> 11:05:13.232204 IP polaris.64773 > muumi.lnet.lut.fi.www: . ack 89330 win 33580 <nop,nop,sack sack 1 {90790:122910} >
> 11:05:38.588875 IP polaris.64773 > muumi.lnet.lut.fi.www: F 178:178(0) ack 89330 win 33580 <nop,nop,sack sack 1 {90790:122910} >
> 11:05:38.859215 IP muumi.lnet.lut.fi.www > polaris.64773: . ack 179 win 1728

i guess it's failing to transmit any packets with sack, or something like that.
are you using any hw offloading?

YAMAMOTO Takashi