Date: Mon, 5 Jul 2004 12:19:45 -0400 (EDT) From: Robert Watson <rwatson@freebsd.org> To: Gleb Smirnoff <glebius@cell.sick.ru> Cc: current@freebsd.org Subject: Re: ng_ksocket & WITNESS Message-ID: <Pine.NEB.3.96L.1040705121836.30459B-100000@fledge.watson.org> In-Reply-To: <20040704183018.GA52449@cell.sick.ru>
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On Sun, 4 Jul 2004, Gleb Smirnoff wrote: > I can easily reproduce this panic using today's CURRENT and ng_ksocket > and WITNESS turned on: That's not good, your system has entered fairly complex bits of the network stack without Giant -- in a few days, that may be OK, but today it's not. Could you tell us a bit about the network stack configuration on that machine? You're definitely using netgraph -- any particular modules, and are you using features like bridging, etc? Thanks, Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Principal Research Scientist, McAfee Research > > mutex Giant not owned at /usr/src/sys/netinet/udp_usrreq.c:734 > > #0 Debugger (msg=0x12 <Address 0x12 out of bounds>) at atomic.h:263 > #1 0xc0563565 in panic (fmt=0xc0701209 "mutex %s not owned at %s:%d") > at /usr/src/sys/kern/kern_shutdown.c:543 > #2 0xc0559b4c in _mtx_assert (m=0xc0779320, what=-1056882688, > file=0xc070d665 "/usr/src/sys/netinet/udp_usrreq.c", line=734) > at /usr/src/sys/kern/kern_mutex.c:747 > #3 0xc060e47f in udp_output (inp=0xc17af21c, m=0xc172a500, addr=0x0, control=0x0, td=0xc15012c0) > at /usr/src/sys/netinet/udp_usrreq.c:734 > #4 0xc060f067 in udp_send (so=0x12, flags=0, m=0xc172a500, addr=0x12, control=0x12, td=0x12) > at /usr/src/sys/netinet/udp_usrreq.c:1079 > #5 0xc05a31ed in sosend (so=0xc17ae4f0, addr=0x0, uio=0x0, top=0xc172a500, control=0x0, flags=0, > td=0xc15012c0) at /usr/src/sys/kern/uipc_socket.c:788 > #6 0xc05eb595 in ng_ksocket_rcvdata (hook=0xc19e9380, item=0xc17eb7c0) > at /usr/src/sys/netgraph/ng_ksocket.c:917 > #7 0xc05e4fe9 in ng_apply_item (node=0xc19d2800, item=0xc17eb7c0) > at /usr/src/sys/netgraph/ng_base.c:2375 > #8 0xc05e4b95 in ng_snd_item (item=0xc17eb7c0, queue=0) at /usr/src/sys/netgraph/ng_base.c:2264 > #9 0xc1a01b09 in ?? () > #10 0xc17eb7c0 in ?? () > > -- > Totus tuus, Glebius. > GLEBIUS-RIPN GLEB-RIPE > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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