Date: Tue, 21 Jun 2005 12:00:48 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Andrey Chernov <ache@nagual.pp.ru> Cc: current@freebsd.org Subject: Re: page fault in tcp_dooptions() Message-ID: <20050621115936.M26664@fledge.watson.org> In-Reply-To: <20050620152009.GA797@nagual.pp.ru> References: <20050620152009.GA797@nagual.pp.ru>
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On Mon, 20 Jun 2005, Andrey Chernov wrote: > Fresh -current panic in tcp_dooptions(): > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x4 > fault code = supervisor read, page not present > instruction pointer = 0x20:0xc053aae2 Can you turn this into a file name, revision, and line number? This looks like a NULL pointer dereference. Is a core available? Robert N M Watson > stack pointer = 0x28:0xcc7e9a78 > frame pointer = 0x28:0xcc7e9ac8 > 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 = 29 (swi1: net) > trap number = 12 > panic: page fault > > #0 0xc049f19c in doadump () > #1 0xc049f6a4 in boot () > #2 0xc049fd22 in panic () > #3 0xc05d1c5f in trap_fatal () > #4 0xc05d1efb in trap_pfault () > #5 0xc05d22d0 in trap () > #6 0xc05c344a in calltrap () > #7 0xcc7e0008 in ?? () > #8 0xc05c0028 in pnpbios_identify () > #9 0xc0535db0 in tcp_dooptions () > #10 0xc0536866 in tcp_input () > #11 0xc052fa72 in ip_input () > #12 0xc051e3bb in netisr_processqueue () > #13 0xc051e687 in swi_net () > #14 0xc0486aa4 in ithread_loop () > #15 0xc0485a6d in fork_exit () > #16 0xc05c34ac in fork_trampoline () > > > -- > http://ache.pp.ru/ > _______________________________________________ > 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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