From: Philip A. P. <phi...@re...> - 2009-09-11 19:58:28
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Karl Hiramoto wrote: > Philip A. Prindeville wrote: >> I had noticed that with my Solos card, and using Qwest 7062/896kb/s >> service that I was typically only getting ~400kb/s upstream, so I >> thought that delayed transmitter restarts might be the culprit and >> decided to try out this patch. >> >> I'm running 2.6.27.26, and I modified the patch as below. >> >> Has anyone confirmed this patch (Karl's) against 2.6.27? >> >> Thanks, >> >> -Philip > I'd be interested in hearing comparisons with/without the patch. What > i have is no upstream packet loss with this patch, however slightly > lower total throughput. I think because the upper networking layers > take time to restart the packet flow. I'm not really sure if or how > many packets to upper layers buffer. I haven't had time to debug it > further. > > I don't have a solos card, but you may have to tweak the solos driver > sk_sndbuf value. > > -- > Karl I'm running with the patch right now... Can't tell if latency has been affected. Seems to be working a bit better, but I've not done any formalized testing. -Philip |