On 2013-04-12, Adam <[email protected]> wrote: > Trying to use userland pppoe for a DSL connection, I connect fine, and I > can pass small amounts of traffic through the link without issues. But as > soon as I send real traffic through it (a couple hundred Kb/sec of pretty > ordinary DNS and HTTP traffic) latency shoots up to 1500ms and it starts > dropping packets really badly, like 50% or so. Pinging from the openbsd > machine gives lots of: > > sendto: No buffer space available > > The CPU is 90-95% idle. Using kernel pppoe I can ping flood the default > gateway with 1400 byte packets while sending that same traffic through and > everything is fine, so it isn't the modem/ISP/etc. I know userland pppoe > is obviously going to be slower, but is it supposed to be this bad?
http://marc.info/?l=openbsd-tech&m=130134805219592&w=2 might help. > I can't use kernel pppoe as it appears to be causing the machine to lock up > occasionally and require a hard reset. This is a rubbish bug report, see http://www.openbsd.org/report.html
