From owner-freebsd-bugs Thu Mar 7 11: 0:51 2002 Delivered-To: freebsd-bugs@hub.freebsd.org Received: from freefall.freebsd.org (freefall.FreeBSD.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id A5FD437B41D for ; Thu, 7 Mar 2002 11:00:02 -0800 (PST) Received: (from gnats@localhost) by freefall.freebsd.org (8.11.6/8.11.6) id g27J02G60180; Thu, 7 Mar 2002 11:00:02 -0800 (PST) (envelope-from gnats) Received: from tomts19-srv.bellnexxia.net (tomts19.bellnexxia.net [209.226.175.73]) by hub.freebsd.org (Postfix) with ESMTP id 1DB9937B400 for ; Thu, 7 Mar 2002 10:58:43 -0800 (PST) Received: from khan.anarcat.dyndns.org ([65.94.191.9]) by tomts19-srv.bellnexxia.net (InterMail vM.4.01.03.23 201-229-121-123-20010418) with ESMTP id <20020307185842.GGOK20823.tomts19-srv.bellnexxia.net@khan.anarcat.dyndns.org> for ; Thu, 7 Mar 2002 13:58:42 -0500 Received: from lenny.anarcat.dyndns.org (lenny.anarcat.dyndns.org [192.168.0.4]) by khan.anarcat.dyndns.org (Postfix) with SMTP id 1682818C8; Thu, 7 Mar 2002 13:57:51 -0500 (EST) Received: by lenny.anarcat.dyndns.org (sSMTP sendmail emulation); Thu, 7 Mar 2002 13:58:48 -0500 Message-Id: <20020307185751.1682818C8@khan.anarcat.dyndns.org> Date: Thu, 7 Mar 2002 13:58:48 -0500 From: The Anarcat Reply-To: The Anarcat To: FreeBSD-gnats-submit@freebsd.org Cc: anarcat@anarcat.dyndns.org X-Send-Pr-Version: 3.113 Subject: kern/35640: heavy collision rate hangs vr network interface Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org >Number: 35640 >Category: kern >Synopsis: heavy collision rate hangs vr network interface >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Mar 07 11:00:02 PST 2002 >Closed-Date: >Last-Modified: >Originator: The Anarcat >Release: FreeBSD 4.5-STABLE i386 >Organization: Nada, Inc >Environment: System: FreeBSD lenny.anarcat.dyndns.org 4.5-STABLE FreeBSD 4.5-STABLE #0: Mon Mar 4 12:16:06 EST 2002 anarcat@lenny.anarcat.dyndns.org:/usr/src/sys/compile/LENNY i386 10 baseT/UTP network, 2 machines connected through a 4 port Hub. >Description: I can reproducibly hang my 4.5-STABLE server when FTP uploading at around 1Mb/s. The collision rate is extremely high for some reason, input (Total) output packets errs bytes packets errs bytes colls 698 0 1053348 512 0 30756 417 After around 30 seconds of full use of the bandwidth, all network connections hang, and I have to reset the interface (ifconfig down/up) in order to bring back network capabilities. >How-To-Repeat: More info on the hardware: Server side: vr0: port 0x6600-0x66ff mem 0xe1001000-0xe10010ff irq 10 at device 11.0 on pci0 Client side: rl0: port 0x9400-0x94ff mem 0xd6800000-0xd68000ff irq 9 at device 9.0 on pci0 Base system ftp clients and servers. Simply ftp upload around 15-20 Mbytes of data. >Fix: To temporarly unhang the machine, ifconfig down/up the guilty interface. Unknown long-term fix. >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message