Date: Mon, 23 Aug 2004 19:04:00 +0200 From: Max Laier <max@love2party.net> To: freebsd-current@freebsd.org Subject: Re: PF LOR and panic Message-ID: <200408231904.10081.max@love2party.net> In-Reply-To: <20040823120443.GA24907@unixpages.org> References: <20040823120443.GA24907@unixpages.org>
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--Boundary-02=_KOiKBDdidnFT9C+ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Monday 23 August 2004 14:04, Christian Brueffer wrote: > Hi, > > got this LOR and panic with a 5.3-BETA1 kernel from yesterday on a SMP > machine. Can't say how much time there was between them. A dump is > available. Good. Keep it in a warm and save place, I'll find you on IRC (I hope). > lock order reversal > 1st 0xc0739f20 pf task mtx (pf task mtx) @ > /usr/home/build/src/sys/contrib/pf/net/pf.c:5828 > 2nd 0xc103a4c4 user map (user map) @ > /usr/home/build/src/sys/vm/vm_map.c:2997 > KDB: stack backtrace: > kdb_backtrace(0,ffffffff,c074a9d8,c074bb08,c071a56c) at > kdb_backtrace+0x29 > witness_checkorder(c103a4c4,9,c06f826b,bb5) at witness_checkorder+0x540 > _sx_xlock(c103a4c4,c06f826b,bb5) at _sx_xlock+0x50 > _vm_map_lock_read(c103a480,c06f826b,bb5,2000000,c) at > _vm_map_lock_read+0x3b > vm_map_lookup(d41f7a8c,d21f7000,2,d41f7a90,d41f7a80) at > vm_map_lookup+0x26 > vm_fault(c103a000,d21f7000,2,0,c1969160) at vm_fault+0x6a > trap_pfault(d41f7b54,0,d21f7bac) at trap_pfault+0x11c > trap(18,10,10,c3e24850,c1aa3c00) at trap+0x321 > calltrap() at calltrap+0x5 > --- trap 0xc, eip =3D 0xc0459c46, esp =3D 0xd41f7b94, ebp =3D 0xd41f7c58 = =2D-- The LOR is a result of the trap so we can forget about it for the moment. > pf_test(1,c1a38800,d41f7c8c,c1f42820,c0771fe0) at pf_test+0x3c6 > pf_check_in(0,d41f7c8c,c1a38800,1,c3e24800) at pf_check_in+0x32 > pfil_run_hooks(c0771fe0,d41f7cd4,c1a38800,1) at pfil_run_hooks+0xac > ip_input(c3e24800) at ip_input+0x25f > netisr_processqueue(c076fcb8) at netisr_processqueue+0x6e > swi_net(0) at swi_net+0x89 > ithread_loop(c1962b80,d41f7d48,c1962b80,c0500660,0) at > ithread_loop+0x126 > fork_exit(c0500660,c1962b80,d41f7d48) at fork_exit+0xa8 > fork_trampoline() at fork_trampoline+0x8 > --- trap 0x1, eip =3D 0, esp =3D 0xd41f7d7c, ebp =3D 0 --- > > > Fatal trap 12: page fault while in kernel mode > cpuid =3D 1; apic id =3D 01 > fault virtual address =3D 0xd21f7bac > fault code =3D supervisor write, page not present > instruction pointer =3D 0x8:0xc0459c46 > stack pointer =3D 0x10:0xd41f7b94 > frame pointer =3D 0x10:0xd41f7c58 > code segment =3D base 0x0, limit 0xfffff, type 0x1b > =3D DPL 0, pres 1, def32 1, gran 1 > processor eflags =3D interrupt enabled, resume, IOPL =3D 0 > current process =3D 38 (swi1: net) > [thread 100012] > Stopped at pf_test+0x3c6: movl %edx,-0xac(%ebp) > db> tr > pf_test(1,c1a38800,d41f7c8c,c1f42820,c0771fe0) at pf_test+0x3c6 hmmm ... pf_test+0x3c6 is something *very* different on my objects right no= w.=20 Can you sent me your pf.o (possibly with debugging symbols). > pf_check_in(0,d41f7c8c,c1a38800,1,c3e24800) at pf_check_in+0x32 > pfil_run_hooks(c0771fe0,d41f7cd4,c1a38800,1) at pfil_run_hooks+0xac > ip_input(c3e24800) at ip_input+0x25f > netisr_processqueue(c076fcb8) at netisr_processqueue+0x6e > swi_net(0) at swi_net+0x89 > ithread_loop(c1962b80,d41f7d48,c1962b80,c0500660,0) at > ithread_loop+0x126 > fork_exit(c0500660,c1962b80,d41f7d48) at fork_exit+0xa8 > fork_trampoline() at fork_trampoline+0x8 > --- trap 0x1, eip =3D 0, esp =3D 0xd41f7d7c, ebp =3D 0 --- Thanks in advance. =2D-=20 /"\ Best regards, | mlaier@freebsd.org \ / Max Laier | ICQ #67774661 X http://pf4freebsd.love2party.net/ | mlaier@EFnet / \ ASCII Ribbon Campaign | Against HTML Mail and News --Boundary-02=_KOiKBDdidnFT9C+ Content-Type: application/pgp-signature Content-Description: signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (FreeBSD) iD8DBQBBKiOKXyyEoT62BG0RAh6qAJ4ihe5K3ZJhpGDkA92LBtTs33JbTQCfUSyD pV/SNnVxvRGVvd/+uaMQZKE= =rf2z -----END PGP SIGNATURE----- --Boundary-02=_KOiKBDdidnFT9C+--
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