VirtualBox

Changes between Initial Version and Version 1 of Ticket #9380, comment 16


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Timestamp:
Feb 2, 2013 4:26:44 PM (11 years ago)
Author:
Stephen Veiss

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  • Ticket #9380, comment 16

    initial v1  
    1 I'm experiencing this behaviour in the guest->outside world direction. I've found that disabling TCP segmentation offloading inside the guest fixes the problem for me.
     1I'm experiencing this behaviour in the guest->outside world direction. I've found that disabling TCP segmentation offloading inside the guest works around the problem for me.
    22
    3 This worked for both FreeBSD 9.1 and Ubuntu 12.04, using virtio-net in both cases.
     3This worked for both FreeBSD 9.1 and Ubuntu 12.04, using virtio-net in both cases. The host is running Windows 7 x64, and VirtualBox 4.2.6.
    44
    55Example commands to test this:
    … …  
    1111
    1212I had to restart active connections (e.g. my SSH session) to see a difference.
     13
     14
     15{{{
     16 # TSO enabled
     17[sveiss@gaim:~]$ time ssh 2001:8b0:33b:7060:a00:27ff:fe58:e3a2 cat /usr/share/dict/words > /dev/null
     18
     19real    2m10.488s
     20user    0m0.041s
     21sys     0m0.040s
     22
     23 # TSO disabled
     24[sveiss@gaim:~]$ time ssh 2001:8b0:33b:7060:a00:27ff:fe58:e3a2 cat /usr/share/dict/words > /dev/null
     25
     26real    0m0.918s
     27user    0m0.025s
     28sys     0m0.016s
     29}}}

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