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Message-ID: <20101123144428.GA18504@countzero.vandewege.net> Date: Tue, 23 Nov 2010 09:44:28 -0500 From: Ward Vandewege <ward@....org> To: Krzysztof Halasa <khc@...waw.pl> Cc: Bernie Innocenti <bernie@...ewiz.org>, lkml <linux-kernel@...r.kernel.org>, Jan Seiffert <kaffeemonster@...glemail.com>, netdev@...r.kernel.org Subject: Re: pc300too on a modern kernel? On Mon, Nov 22, 2010 at 10:20:02PM +0100, Krzysztof Halasa wrote: > > With this workaround applied, we're st seeing occasional clusters of > > packet loss. We're working to graph the ping loss alongside traffic to > > see if there's any correlation. > > That's interesting. I remember seeing some TX underruns at higher > speeds, though nothing alike at 2 Mb/s. What bit rate are you using? > Does "ifconfig hdlc0" show any errors? This turned out to be caused by line saturation. We were not seeing this before we upgraded to the latest kernel because we have a set of qos rules that we forgot to install on our new box. Mea culpa... Thanks, Ward. -- Ward Vandewege <ward@....org> -- 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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