Date: Sat, 28 Mar 1998 13:25:46 -0800 From: David Greenman <dg@root.com> To: Mark Murray <mark@grondar.za> Cc: current@FreeBSD.ORG Subject: Re: VX driver in current acting up? Message-ID: <199803282125.NAA23442@implode.root.com> In-Reply-To: Your message of "Sat, 28 Mar 1998 22:09:18 %2B0200." <199803282009.WAA07410@greenpeace.grondar.za>
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>I have been getting funny behaviour from the VX driver (I have a >3com 3c900). > >Occaisionally (randomly) the card/driver goes into "slow mode", and >gives ridiculously slow respose on my local ethernet: > >PING gratis.grondar.za (196.7.18.133): 56 data bytes >64 bytes from 196.7.18.133: icmp_seq=0 ttl=255 time=989.080 ms >64 bytes from 196.7.18.133: icmp_seq=1 ttl=255 time=980.119 ms ... >Notice how the times slowly improve by 10ms per echo? Strange. This happens when FreeBSD doesn't get any more interrupts from the card. There is a one-second watchdog that notices some input and that's the reason for the strange 0 to 1 second RTTs. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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