Le Wed, 25 Nov 2009 05:25:28 +0100,
Asdo <a...@shiftmail.org> a écrit :

> Hi netdev and e1000 people,
> 
> I have a weird problem here.
> [...]

I have the same kind of problem at home. I can't copy big files over
ssh unless I limit the rate ( ssh -l 8000 ... )
After reading your mail, I make some quick tests ( see below).

Results in short :
- netcat always work.
- ssh stalls, nearly immediately.

I thought fault cames from a kernel update or my wifi card update.
Apparently, I was wrong for the hardware.

Here are the test I just made : 

network:
SG ----- eth_100_Mbps ----- ISV_BOX )))   wifi_~1.5Mb   ((( HOUBA

host HOUBA:
----
gentoo - updated frequently (once a week)
kernel vanilla : Linux houba 2.6.32-rc6-fredo4-04866-g47caac1 #5
PREEMPT Fri Nov 6 14:20:20 CET 2009 i686 Intel(R) Pentium(R) M
processor 1400MHz GenuineIntel GNU/Linux

host SG: 
----
debian stable - not updated recently
kernel vanilla : Linux sg 2.6.32-rc5-fredo3 #2 Mon Oct 19 02:25:29 CEST
2009 i586 GNU/Linux 
/dev/sda is a USB disk mounted on media/big

TESTS
-----

HOUBA command for tests :
netcat -l -p 2000 | pv > /dev/null

TEST1 - OK : ~5min
fr...@sg:~/remote_wake$ cat /dev/null | netcat houba 2000

TEST2 - OK : ~5min
fr...@sg:~/remote_wake$ cat /dev/sda | netcat houba 2000

TEST3 - OK :
fr...@sg:~/remote_wake$
cat /media/big/home/fredo/cdanslair/cdanslair_20091125.wmv | netcat -q
0 houba 2000

result : 291MO 0:03:32 [1,37MO/s]

TEST4 - FAILED
fr...@sg:~/remote_wake$
scp /media/big/home/fredo/cdanslair/cdanslair_20091125.wmv houba:
Stalled within seconds (5216Kb transferred) :
cdanslair_20091125.wmv          1% 5216KB   0.0KB/s - stalled -

-- 
Frédéric Leroy

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