From owner-freebsd-net@FreeBSD.ORG Wed Apr 15 11:04:11 2015 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 396C870B for ; Wed, 15 Apr 2015 11:04:11 +0000 (UTC) Received: from relay00.pair.com (relay00.pair.com [209.68.5.9]) by mx1.freebsd.org (Postfix) with SMTP id CCDA5B12 for ; Wed, 15 Apr 2015 11:04:10 +0000 (UTC) Received: (qmail 80477 invoked from network); 15 Apr 2015 11:04:03 -0000 Received: from 188.182.139.176 (HELO x2.osted.lan) (188.182.139.176) by relay00.pair.com with SMTP; 15 Apr 2015 11:04:03 -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 t3FB41wK026516 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 15 Apr 2015 13:04:01 +0200 (CEST) (envelope-from pho@x2.osted.lan) Received: (from pho@localhost) by x2.osted.lan (8.14.9/8.14.9/Submit) id t3FB41MX026515 for net@freebsd.org; Wed, 15 Apr 2015 13:04:01 +0200 (CEST) (envelope-from pho) Date: Wed, 15 Apr 2015 13:04:01 +0200 From: Peter Holm To: net@freebsd.org Subject: panic: SACK scoreboard must not be empty Message-ID: <20150415110401.GA26326@x2.osted.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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, 15 Apr 2015 11:04:11 -0000 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 -- Peter