From owner-freebsd-net@FreeBSD.ORG Wed Apr 22 09:20:08 2015 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D554DD36 for ; Wed, 22 Apr 2015 09:20:08 +0000 (UTC) Received: from relay02.pair.com (relay02.pair.com [209.68.5.16]) by mx1.freebsd.org (Postfix) with SMTP id 8D3A2167D for ; Wed, 22 Apr 2015 09:20:07 +0000 (UTC) Received: (qmail 16464 invoked from network); 22 Apr 2015 09:20:00 -0000 Received: from 188.182.139.176 (HELO x2.osted.lan) (188.182.139.176) by relay02.pair.com with SMTP; 22 Apr 2015 09:20:00 -0000 X-pair-Authenticated: 188.182.139.176 Received: from x2.osted.lan (localhost [127.0.0.1]) by x2.osted.lan (8.14.9/8.14.9) with ESMTP id t3M9JxId086846 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 22 Apr 2015 11:19:59 +0200 (CEST) (envelope-from pho@x2.osted.lan) Received: (from pho@localhost) by x2.osted.lan (8.14.9/8.14.9/Submit) id t3M9Jwgi086845; Wed, 22 Apr 2015 11:19:58 +0200 (CEST) (envelope-from pho) Date: Wed, 22 Apr 2015 11:19:58 +0200 From: Peter Holm To: Lawrence Stewart Cc: net@freebsd.org Subject: Re: panic: SACK scoreboard must not be empty Message-ID: <20150422091958.GA81930@x2.osted.lan> References: <20150415110401.GA26326@x2.osted.lan> <5536FD31.40000@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5536FD31.40000@freebsd.org> User-Agent: Mutt/1.5.23 (2014-03-12) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Apr 2015 09:20:08 -0000 On Wed, Apr 22, 2015 at 11:45:21AM +1000, Lawrence Stewart wrote: > Hi Peter, > > On 04/15/15 21:04, Peter Holm wrote: > > Seen during i386 stress tests. > > > > db_trace_self_wrapper(c11e20fc,0,c11b79d4,1eb,e47578e0,...) at db_trace_self_wrapper+0x2a/frame 0xe47578b0 > > kdb_backtrace(c139e637,2,c120851d,e4757984,e4757940,...) at kdb_backtrace+0x2d/frame 0xe4757918 > > vpanic(c155b86a,100,c120851d,e4757984,e4757984,...) at vpanic+0x11d/frame 0xe4757954 > > kassert_panic(c120851d,0,8,164,16,...) at kassert_panic+0xe6/frame 0xe4757978 > > tcp_sack_doack(e047d900,e4757a48,e9eeab30,5f8,c15a9298,...) at tcp_sack_doack+0x405/frame 0xe47579f0 > > tcp_do_segment(df801720,e047d900,40,0,0,...) at tcp_do_segment+0x21c2/frame 0xe4757aa0 > > tcp_input(e4757bec,e4757be8,6,0,e4757be8,...) at tcp_input+0xfbc/frame 0xe4757ba0 > > ip_input(e1cb5800,0,c11f6228,2f0,45,...) at ip_input+0x17c/frame 0xe4757c0c > > swi_net(c1c25880,c11d6fed,54f,8f6da840,c8a209c8,...) at swi_net+0x1a3/frame 0xe4757c4c > > intr_event_execute_handlers(c156a310,c8a20980,c11d6fed,54f,0,...) at intr_event_execute_handlers+0xdb/frame 0xe4757c74 > > ithread_loop(c88d4f50,e4757ce8,c11d6d7c,3dc,0,...) at ithread_loop+0x87/frame 0xe4757cac > > fork_exit(c0b2c9d0,c88d4f50,e4757ce8) at fork_exit+0x7e/frame 0xe4757cd4 > > fork_trampoline() at fork_trampoline+0x8/frame 0xe4757cd4 > > > > Details: > > https://people.freebsd.org/~pho/stress/log/kostik794.txt > > > > >From the looks of the log, you don't have a core? > Sure, I have. https://people.freebsd.org/~pho/kernel+vmcore.792.txz -- Peter