From owner-freebsd-bugs Fri Mar 13 08:30:14 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id IAA20168 for freebsd-bugs-outgoing; Fri, 13 Mar 1998 08:30:14 -0800 (PST) (envelope-from owner-freebsd-bugs@FreeBSD.ORG) Received: (from gnats@localhost) by hub.freebsd.org (8.8.8/8.8.8) id IAA20098; Fri, 13 Mar 1998 08:30:08 -0800 (PST) (envelope-from gnats) Date: Fri, 13 Mar 1998 08:30:08 -0800 (PST) Message-Id: <199803131630.IAA20098@hub.freebsd.org> To: freebsd-bugs Cc: From: daniel@consol.de Subject: Re: kern/5995: System hangs with NFS send error 55 (out of buffer space?) Reply-To: daniel@consol.de Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org The following reply was made to PR kern/5995; it has been noted by GNATS. From: daniel@consol.de To: freebsd-gnats-submit@freebsd.org Cc: Subject: Re: kern/5995: System hangs with NFS send error 55 (out of buffer space?) Date: Fri, 13 Mar 1998 17:18:59 +0100 Funny thing happening in this situation: Even if the system doesn't hang completely, the network performance becomes extremely sluggish. Then I decided to ping the machine, or to ping any other machine from it, and what happens is, that rtt's start with ~ 1000ms but decreases by 10 ms for each packet sent!! looks something like this: PING beatles: 64 byte packets 64 bytes from 155.208.6.51: icmp_seq=0. time=1000. ms 64 bytes from 155.208.6.51: icmp_seq=1. time=990. ms 64 bytes from 155.208.6.51: icmp_seq=2. time=980. ms 64 bytes from 155.208.6.51: icmp_seq=3. time=970. ms 64 bytes from 155.208.6.51: icmp_seq=4. time=960. ms 64 bytes from 155.208.6.51: icmp_seq=5. time=950. ms 64 bytes from 155.208.6.51: icmp_seq=6. time=940. ms [..] 64 bytes from 155.208.6.51: icmp_seq=97. time=30. ms 64 bytes from 155.208.6.51: icmp_seq=98. time=20. ms 64 bytes from 155.208.6.51: icmp_seq=99. time=10. ms 64 bytes from 155.208.6.51: icmp_seq=100. time=0. ms 64 bytes from 155.208.6.51: icmp_seq=101. time=1000. ms .. Note that ot starts again from 1000ms after reaching zero. The machines are in a local LAN. I've never seen anything like that before. Comments ? Regards, Daniel -- IRCnet: Mr-Spock - May His Shadow fall upon thee - RL: Daniel Lang * dl@leo.org * +49 89 8540017 * http://www.leo.org/~dl/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message