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>
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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
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