[Bug 199174] em tx and rx hang

[Mark Schouten]

Please note that these issues look very much like the issues I had, before I switched from an MTU of 9000 to 1500 ...


Met vriendelijke groeten,

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Mark Schouten  | Tuxis Internet Engineering
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 Van:    <bugzilla-noreply at freebsd.org> 
 Aan:    <freebsd-net at FreeBSD.org> 
 Verzonden:   8-5-2015 19:42 
 Onderwerp:   [Bug 199174] em tx and rx hang 

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199174 
 
--- Comment #15 from Sean Bruno <sbruno at FreeBSD.org> --- 
(In reply to david.keller from comment #14) 
Nothing fancy here. 
 
Server runs "iperf -p 8000 -s"  (8core amd box) 
Client under test runs this forever: 
 
#!/bin/sh 
 
FILE=test.out 
 
if [ -f ${FILE} ]; then 
    rm $FILE; 
fi 
 
while [ 1 ]; do 
    date; 
    iperf -p 8000 -c 192.168.100.1 -t 600 -P ${1} >> $FILE; 
done 
 
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