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Date: Mon, 14 Apr 2014 09:54:38 -0400 From: Vlad Yasevich <vyasevich@...il.com> To: Martin Filip <nexus+kernel@...ula.net>, netdev@...r.kernel.org Subject: Re: TUN device performance regression On 04/14/2014 07:42 AM, Martin Filip wrote: >> Hello, >> >> I've noticed significant TUN device performance drop between 3.13 and >> 3.14 kernels, problem seems to persist until current git version. >> >> With good kernel I can achieve full 100mbps through openvpn without any >> problem, with problematic kernel TX performance drops down to ~50kbps. >> >> According to git bisect it seems that root of all evil is commit >> 53d6471cef17262d3ad1c7ce8982a234244f68ec. >> >> I can confirm that performance is great again with current kernel when I >> revert this one. >> > I've forgot to mention kernel bug: > https://bugzilla.kernel.org/show_bug.cgi?id=74051 > Thanks for the report. I am taking a look. -vlad -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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