Alan Cox wrote:
On Tue, 06 May 2008 14:38:23 -0400
Chris Bredesen <cbredesen@xxxxxxxxxx> wrote:
Hello list,
I'm trying to get this issue out to a wider audience. I posted it on
the forum but got no responses:
http://www.fedoraforum.org/forum/showthread.php?t=186331
Sorry to cross post, but I'm not sure where else to turn...
netdev@xxxxxxxxxxxxxxxx
but the TCP messages really indicate either a Linux bug or that the NAS
isn't talking proper TCP. Trying turning off window scaling was a good
test but beyond that tcpdump data will be needed.
Thanks, Alan.
Not sure how verbose the tcpdump info should be. This is the first time
I've captured any of its output and most of it looks the same, but the
last relevant line is indeed a RST from the rsync client. I grepped the
output on 'rsync' and removed full hostnames. Does this look useful?
If so, I'll ping the kernel.org list:
20:07:54.110206 IP nas.rsync > 192.168.1.130.59478: P 133563:134259(696)
ack 23895075 win 65535 <nop,nop,timestamp 154457749 410773>
20:07:54.110270 IP 192.168.1.130.59478 > nas.rsync: .
23895075:23897971(2896) ack 133563 win 0 <nop,nop,timestamp 438930
154457749>
20:07:54.110508 IP nas.rsync > 192.168.1.130.59478: . ack 23896523 win
65535 <nop,nop,timestamp 154457749 438930>
20:07:54.110569 IP nas.rsync > 192.168.1.130.59478: . ack 23897971 win
65535 <nop,nop,timestamp 154457749 438930>
20:08:40.443934 IP 192.168.1.130.59478 > nas.rsync: .
23895075:23896523(1448) ack 133563 win 0 <nop,nop,timestamp 485264
154457749>
20:08:40.444193 IP nas.rsync > 192.168.1.130.59478: . ack 23897971 win
65535 <nop,nop,timestamp 154462382 438930,nop,nop,sack 1
{23895075:23896523}>
20:08:50.423473 IP nas.rsync > 192.168.1.130.59478: P 133563:134259(696)
ack 23897971 win 65535 <nop,nop,timestamp 154463381 438930>
20:08:50.423547 IP 192.168.1.130.59478 > nas.rsync: .
23897971:23900867(2896) ack 133563 win 0 <nop,nop,timestamp 495243
154463381>
20:08:50.423788 IP nas.rsync > 192.168.1.130.59478: . ack 23899419 win
65535 <nop,nop,timestamp 154463381 495243>
20:08:50.423880 IP nas.rsync > 192.168.1.130.59478: . ack 23900867 win
65535 <nop,nop,timestamp 154463381 495243>
20:10:23.074965 IP 192.168.1.130.59478 > nas.rsync: .
23897971:23899419(1448) ack 133563 win 0 <nop,nop,timestamp 587895
154463381>
20:10:23.075198 IP nas.rsync > 192.168.1.130.59478: . ack 23900867 win
65535 <nop,nop,timestamp 154472647 495243,nop,nop,sack 1
{23897971:23899419}>
20:12:23.074935 IP 192.168.1.130.59478 > nas.rsync: .
23897971:23899419(1448) ack 133563 win 0 <nop,nop,timestamp 707895
154463381>
20:12:23.078088 IP nas.rsync > 192.168.1.130.59478: R
3677113829:3677113829(0) win 0
-Chris
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