VirtualBox

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


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Timestamp:
02/02/13 16:26:44 (15 months ago)
Author:
sveiss
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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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