From owner-freebsd-bugs@FreeBSD.ORG Tue Sep 19 21:00:41 2006 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2719816A416 for ; Tue, 19 Sep 2006 21:00:41 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id A21E943D4C for ; Tue, 19 Sep 2006 21:00:39 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id k8JL0dCr044074 for ; Tue, 19 Sep 2006 21:00:39 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id k8JL0djb044073; Tue, 19 Sep 2006 21:00:39 GMT (envelope-from gnats) Resent-Date: Tue, 19 Sep 2006 21:00:39 GMT Resent-Message-Id: <200609192100.k8JL0djb044073@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Václav Haisman Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 722E716A40F for ; Tue, 19 Sep 2006 20:55:09 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 318CA43D5A for ; Tue, 19 Sep 2006 20:55:02 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id k8JKt1rk001598 for ; Tue, 19 Sep 2006 20:55:01 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id k8JKt1Uf001597; Tue, 19 Sep 2006 20:55:01 GMT (envelope-from nobody) Message-Id: <200609192055.k8JKt1Uf001597@www.freebsd.org> Date: Tue, 19 Sep 2006 20:55:01 GMT From: Václav Haisman To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Cc: Subject: kern/103411: (Probably) a deadlock caused by rtorrent downloading and checking at high speeds X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Sep 2006 21:00:41 -0000 >Number: 103411 >Category: kern >Synopsis: (Probably) a deadlock caused by rtorrent downloading and checking at high speeds >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Sep 19 21:00:38 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Václav Haisman >Release: 6.1 >Organization: SU SH >Environment: FreeBSD logout.sh.cvut.cz 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #0: Wed Sep 13 00:12:05 CEST 2006 root@logout.sh.cvut.cz:/usr/obj/usr/src/sys/LOGOUT i386 >Description: I have rather repeatable (what seems like) deadlock here. I use rtorrent to download stuff. When there are strong seends I can d/l at megabytes per second together on several torrents. The deadlock happens when rtorrent is downloading from such fast torrents and also checksumming already downloaded files. I tried to panic the kernel and get dump by breaking into debugger from keyboard but I didn't get useful dump, because savecore didn't dump it from swap, maybe next time. >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: