From owner-freebsd-stable@FreeBSD.ORG Sun Sep 30 17:54:00 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 437D1106564A for ; Sun, 30 Sep 2012 17:54:00 +0000 (UTC) (envelope-from nonesuch@longcount.org) Received: from mail-qc0-f182.google.com (mail-qc0-f182.google.com [209.85.216.182]) by mx1.freebsd.org (Postfix) with ESMTP id E54C48FC0A for ; Sun, 30 Sep 2012 17:53:59 +0000 (UTC) Received: by qcsl39 with SMTP id l39so4273992qcs.13 for ; Sun, 30 Sep 2012 10:53:53 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=subject:references:from:content-type:x-mailer:in-reply-to :message-id:date:to:content-transfer-encoding:mime-version :x-gm-message-state; bh=VVrpC522iW8Xv5B+36q3Yv1u2hFLmmdGe+ab99kNu9M=; b=jFiiyw189xXEk4GhMy7ytRohztcrdN0Iv7F0GUc2v1bynBEzEa56w3dg1qcvDs3wtp PQV5GWVTuRRaRCcEV3ELIf0DmnIBwI02VLyAPD+jRPqywJJHja4I71fFB1XI6jnz8Nz5 1iNU1K9cOzadChQxgJe1Mrh0xcVPTOaVLpPKZiIfz/YY1KEhIQQ05IMS40eNcJmmCyJy Ej6fLb3GU2pMjhhrhyCh3xjB+HHxSA8AeeYM4X3cEPRjq8ZSIrSbfiROs8zyOeCtq+6W kk0UHGMuTj9xdAxecRFossgo2XesHEHKt7t9HbcVtaog0c+m4oZTjrJNlu0QodxapkSx cQDg== Received: by 10.224.212.3 with SMTP id gq3mr31439297qab.52.1349027632847; Sun, 30 Sep 2012 10:53:52 -0700 (PDT) Received: from [25.2.26.127] (ool-321d6c98.dyn.optonline.net. [50.29.108.152]) by mx.google.com with ESMTPS id g18sm21226811qan.1.2012.09.30.10.52.52 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 30 Sep 2012 10:53:52 -0700 (PDT) References: <50665914.8080301@acm.poly.edu> From: Mark Saad Content-Type: text/plain; charset=us-ascii X-Mailer: iPhone Mail (9B206) In-Reply-To: <50665914.8080301@acm.poly.edu> Message-Id: Date: Sun, 30 Sep 2012 13:52:42 -0400 To: FreeBSD-STABLE Mailing List Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) X-Gm-Message-State: ALoCoQkXRPFY0KIaxEYJNkgzaXHkS9Ei/2kgijtFsTB/+SnFwR4eK8/HnEIXqvZF9CBOxYLK+mXJ Subject: Re: qmail-remote uses 100% CPU when delivering to certain hosts X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Sep 2012 17:54:00 -0000 On Sep 28, 2012, at 10:12 PM, Boris Kochergin wrote: > Hi. >=20 > Firstly, my environment: >=20 > FreeBSD isis.poly.edu 9.1-RC1 FreeBSD 9.1-RC1 #0: Thu Sep 20 23:42:23 EDT 2= 012 boris@jails.isis.poly.edu:/usr/obj/usr/src/sys/GENERIC amd64 >=20 > qmail-tls-1.03.20021228_4 >=20 > I have noticed that qmail-remote spins around using 100% CPU forever when d= elivering mail to a select few hosts. I believe this all to be in userspace a= s top reports that the CPU is busy with only userspace code. This has never h= appened when the machine was running 8.0-RELEASE, but happens with 8.2-RELEA= SE and 9.1-RC1. >=20 > The environment this happens in is a jail. >=20 > Calling truss on the offending processes produces no output, with truss in= the "wait" state forever. I've tcpdumped the conversation between the qmail= -remote process and the remote host. It is attached with this e-mail. >=20 > Thoughts? >=20 > -Boris > Boris the messages that are in the delivery queue ,at this time, can you sha= re any details on them are they big, small etc . Also what file system do yo= u use for the hauls .=