Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 18 Jul 2011 15:30:26 +1000
From:      "Peter Ross" <Peter.Ross@bogen.in-berlin.de>
To:        "Adam Vande More" <amvandemore@gmail.com>
Cc:        freebsd-emulation@freebsd.org
Subject:   Re: Network problems while running VirtualBox
Message-ID:  <20110718153026.10384ps0jqajxrle@webmail.in-berlin.de>
In-Reply-To: <CA%2BtpaK18s2wHEM%2BJ-vP9egZPu10wZHFAuxvShhzFWOwVfZ9Miw@mail.gmail.com>
References:  <20110714095717.35581xj4rdju1pel@webmail.in-berlin.de> <CA%2BtpaK3KXivGBEXxQQPPgUj0Ptt3Gadd%2BK2BT0Xg74RDfb42kA@mail.gmail.com> <20110714115504.20182xr8y5z7o3ug@webmail.in-berlin.de> <CA%2BtpaK3GfLnWDWnS77m_yPoU6AWeFqS8Vusv_g6oPJ=_Voju%2BQ@mail.gmail.com> <CA%2BtpaK18s2wHEM%2BJ-vP9egZPu10wZHFAuxvShhzFWOwVfZ9Miw@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
Quoting "Adam Vande More" <amvandemore@gmail.com>:

> On Wed, Jul 13, 2011 at 10:02 PM, Adam Vande More  
> <amvandemore@gmail.com>wrote:
>
>> I suspect this has less to do with actual memory and more to do with some
>> other buffer-like bottleneck.  Does tuning any of the network buffers make
>> any difference?  A couple to try:
>>
>> net.inet.ip.intr_queue_maxlen
>> net.link.ifqmaxlen
>> kern.ipc.nmbclusters
>>
>> If possible, does changing from VM bridged -> NAT or vice-versa result in
>> any behavior change?
>>
>
> Also check vmstat -z, net.graph.maxdata may be a candidate as well.

I tried FTP (to have something completely different) and it fails as well:
(ftp: netout: Cannot allocate memory)

I watched vmstat -z, and every time it fails, I have another failure  
reported for "NetGraph data items".

Regards
Peter





Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20110718153026.10384ps0jqajxrle>