From owner-freebsd-net@FreeBSD.ORG Tue Nov 11 12:00:54 2003 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 577CB16A4D3; Tue, 11 Nov 2003 12:00:54 -0800 (PST) Received: from cheer.mahoroba.org (flets19-018.kamome.or.jp [218.45.19.18]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1AB0C43FBF; Tue, 11 Nov 2003 12:00:36 -0800 (PST) (envelope-from ume@mahoroba.org) Received: from lyrics.mahoroba.org (IDENT:DBE/pCtzxnacCBNAgpeqo2h2A8SP09D9Kk8lwVAYedXzoxMZB616axRFeeD/Qyvv@lyrics.mahoroba.org [IPv6:3ffe:501:185b:8010:280:88ff:fe03:4841]) (user=ume mech=CRAM-MD5 bits=0)hABJxVEU098515 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 12 Nov 2003 04:59:34 +0900 (JST) (envelope-from ume@mahoroba.org) Date: Wed, 12 Nov 2003 04:59:31 +0900 Message-ID: From: Hajimu UMEMOTO To: Andre Oppermann In-Reply-To: <3FB129E1.5D8F4D16@pipeline.ch> References: <3FAE68FB.64D262FF@pipeline.ch> <3FB129E1.5D8F4D16@pipeline.ch> User-Agent: xcite1.38> Wanderlust/2.11.3 (Wonderwall) SEMI/1.14.5 (Awara-Onsen) FLIM/1.14.5 (Demachiyanagi) APEL/10.6 Emacs/21.3 (i386--freebsd) MULE/5.0 (=?ISO-2022-JP?B?GyRCOC1MWhsoQg==?=) X-Operating-System: FreeBSD 5.1-CURRENT MIME-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: by amavisd-new X-Spam-Status: No, hits=0.6 required=5.0 tests=DOMAIN_4U2 autolearn=no version=2.60 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on cheer.mahoroba.org cc: freebsd-net@freebsd.org cc: freebsd-current@freebsd.org cc: mb@imp.ch cc: sam@errno.com Subject: Re: tcp hostcache and ip fastforward for review X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Nov 2003 20:00:54 -0000 Hi, >>>>> On Tue, 11 Nov 2003 19:26:41 +0100 >>>>> Andre Oppermann said: oppermann> I have fixed the panic. It was a stupid braino in the test whether oppermann> we have to free the allocated route. It was trying to free a null oppermann> pointer route which obviously doesn't work. :-^ oppermann> The updated patch is here: oppermann> http://www.nrg4u.com/freebsd/tcphostcache+ipfastforward-20031111.patch oppermann> If you could try again please? It panics at another point on boot. panic: page fault panic messages: --- Fatal trap 12: page fault while in kernel mode fault virtual address = 0x7d1efae8 fault code = supervisor write, page not present instruction pointer = 0x8:0xc058e2bf stack pointer = 0x10:0xd2e5e84c frame pointer = 0x10:0xd2e5e874 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 10384 (racoon) trap number = 12 panic: page fault #0 doadump () at /usr/home/ume/cvs/freefall/current/src/sys/kern/kern_shutdown.c:240 240 dumping++; (kgdb) bt #0 doadump () at /usr/home/ume/cvs/freefall/current/src/sys/kern/kern_shutdown.c:240 #1 0xc04fad80 in boot (howto=260) at /usr/home/ume/cvs/freefall/current/src/sys/kern/kern_shutdown.c:372 #2 0xc04fb168 in panic () at /usr/home/ume/cvs/freefall/current/src/sys/kern/kern_shutdown.c:550 #3 0xc05441e1 in bremfreel (bp=0xcae402a8) at /usr/home/ume/cvs/freefall/current/src/sys/kern/vfs_bio.c:647 #4 0xc05440eb in bremfree (bp=0x0) at /usr/home/ume/cvs/freefall/current/src/sys/kern/vfs_bio.c:629 #5 0xc054f1a9 in cluster_wbuild (vp=0xc3c1ca44, size=16384, start_lbn=1, len=1) at /usr/home/ume/cvs/freefall/current/src/sys/kern/vfs_cluster.c:804 #6 0xc054ecf1 in cluster_write (bp=0xcae402a8, filesize=32768, seqcount=127) at /usr/home/ume/cvs/freefall/current/src/sys/kern/vfs_cluster.c:590 #7 0xc05fb428 in ffs_write (ap=0xd2e5e33c) at /usr/home/ume/cvs/freefall/current/src/sys/ufs/ffs/ffs_vnops.c:748 #8 0xc062cd53 in vnode_pager_generic_putpages (vp=0xc3c1ca44, m=0xd2e5e480, bytecount=4096, flags=12, rtvals=0xd2e5e440) at vnode_if.h:432 #9 0xc05507c0 in vop_stdputpages (ap=0x0) at /usr/home/ume/cvs/freefall/current/src/sys/kern/vfs_default.c:813 #10 0xc054fb98 in vop_defaultop (ap=0x0) at /usr/home/ume/cvs/freefall/current/src/sys/kern/vfs_default.c:161 #11 0xc060a208 in ufs_vnoperate (ap=0x0) at /usr/home/ume/cvs/freefall/current/src/sys/ufs/ufs/ufs_vnops.c:2793 #12 0xc062ca88 in vnode_pager_putpages (object=0xc3c20b90, m=0x0, count=0, sync=12, rtvals=0x0) at vnode_if.h:1357 #13 0xc0623b1e in vm_pageout_flush (mc=0xd2e5e480, count=1, flags=12) at /usr/home/ume/cvs/freefall/current/src/sys/vm/vm_pager.h:146 #14 0xc061dac6 in vm_object_page_collect_flush (object=0xc3c20b90, p=0xc14e54f0, curgeneration=1, pagerflags=12) ---Type to continue, or q to quit--- at /usr/home/ume/cvs/freefall/current/src/sys/vm/vm_object.c:948 #15 0xc061d4be in vm_object_page_clean (object=0xc3c20b90, start=7, end=0, flags=4) at /usr/home/ume/cvs/freefall/current/src/sys/vm/vm_object.c:747 #16 0xc055d5b9 in vfs_msync (mp=0xc3a4ac00, flags=2) at /usr/home/ume/cvs/freefall/current/src/sys/kern/vfs_subr.c:3235 #17 0xc055e769 in sync (td=0xc06e6fa0, uap=0x0) at /usr/home/ume/cvs/freefall/current/src/sys/kern/vfs_syscalls.c:140 #18 0xc04fa88d in boot (howto=256) at /usr/home/ume/cvs/freefall/current/src/sys/kern/kern_shutdown.c:281 #19 0xc04fb168 in panic () at /usr/home/ume/cvs/freefall/current/src/sys/kern/kern_shutdown.c:550 #20 0xc0662326 in trap_fatal (frame=0xd2e5e80c, eva=0) at /usr/home/ume/cvs/freefall/current/src/sys/i386/i386/trap.c:821 #21 0xc0661fc2 in trap_pfault (frame=0xd2e5e80c, usermode=0, eva=2099182312) at /usr/home/ume/cvs/freefall/current/src/sys/i386/i386/trap.c:735 #22 0xc0661b15 in trap (frame= {tf_fs = 24, tf_es = -756744176, tf_ds = -1067319280, tf_edi = -756684608, tf_esi = 2099182272, tf_ebp = -756684684, tf_isp = -756684744, tf_ebx = 1500, tf_edx = -1014756864, tf_ecx = -1014277120, tf_eax = 4, tf_trapno = 12, tf_err = 2, tf_eip = -1067916609, tf_cs = 8, tf_eflags = 68103, tf_esp = -756684268, tf_ss = -1013112832}) at /usr/home/ume/cvs/freefall/current/src/sys/i386/i386/trap.c:420 #23 0xc0652e08 in calltrap () at {standard input}:94 #24 0xc058e637 in tcp_hc_getmtu (inc=0x0) at /usr/home/ume/cvs/freefall/current/src/sys/netinet/tcp_hostcache.c:420 #25 0xc05bce17 in ip6_getpmtu (ro_pmtu=0x7d1efac0, ro=0x0, ifp=0xc38b5c00, dst=0xd2e5e9e0, mtup=0x0, alwaysfragp=0xd2e5e980) at /usr/home/ume/cvs/freefall/current/src/sys/netinet6/ip6_output.c:1400 #26 0xc05bbf1f in ip6_output (m0=0xd2e5eaa0, opt=0xd2e5eaa0, ro=0xd2e5ea10, flags=0, im6o=0x0, ifpp=0x0, inp=0xc3b2d900) ---Type to continue, or q to quit--- at /usr/home/ume/cvs/freefall/current/src/sys/netinet6/ip6_output.c:830 #27 0xc05cf5b9 in udp6_output (in6p=0xc3b2d900, m=0xc19a0b00, addr6=0xc19a0bf8, control=0xc199db00, td=0xc3840a00) at /usr/home/ume/cvs/freefall/current/src/sys/netinet6/udp6_output.c:297 #28 0xc05d03ce in udp6_send (so=0xc3c1b110, flags=0, m=0xc19a0a00, addr=0xc39bb5e0, control=0xc199db00, td=0xc3840a00) at /usr/home/ume/cvs/freefall/current/src/sys/netinet6/udp6_usrreq.c:758 #29 0xc053a62d in sosend (so=0xc3c1b110, addr=0xc39bb5e0, uio=0xd2e5ebf4, top=0xc19a0a00, control=0xc199db00, flags=0, td=0xc3840a00) at /usr/home/ume/cvs/freefall/current/src/sys/kern/uipc_socket.c:715 #30 0xc053ef7c in kern_sendit (td=0xc3840a00, s=6, mp=0xd2e5eca4, flags=0, control=0x0) at /usr/home/ume/cvs/freefall/current/src/sys/kern/uipc_syscalls.c:722 #31 0xc053ed9e in sendit (td=0x0, s=0, mp=0xd2e5eca4, flags=0) at /usr/home/ume/cvs/freefall/current/src/sys/kern/uipc_syscalls.c:662 #32 0xc053f393 in sendmsg (td=0x0, uap=0xd2e5ed10) at /usr/home/ume/cvs/freefall/current/src/sys/kern/uipc_syscalls.c:900 #33 0xc06626b0 in syscall (frame= {tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = -1077941600, tf_esi = 2, tf_ebp = -1077941400, tf_isp = -756683404, tf_ebx = 0, tf_edx = 27, tf_ecx = -1077942160, tf_eax = 28, tf_trapno = 0, tf_err = 2, tf_eip = 673524543, tf_cs = 31, tf_eflags = 658, tf_esp = -1077941956, tf_ss = 47}) at /usr/home/ume/cvs/freefall/current/src/sys/i386/i386/trap.c:1010 #34 0xc0652e5d in Xint0x80_syscall () at {standard input}:136 ---Can't read userspace from dump, or kernel process--- (kgdb) frame 24 #24 0xc058e637 in tcp_hc_getmtu (inc=0x0) at /usr/home/ume/cvs/freefall/current/src/sys/netinet/tcp_hostcache.c:420 420 hc_entry = tcp_hc_lookup(inc); (kgdb) Sincerely, -- Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan ume@mahoroba.org ume@bisd.hitachi.co.jp ume@{,jp.}FreeBSD.org http://www.imasy.org/~ume/