From owner-freebsd-current@FreeBSD.ORG Tue Nov 27 15:09:02 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 94A1F864 for ; Tue, 27 Nov 2012 15:09:02 +0000 (UTC) (envelope-from andre@freebsd.org) Received: from c00l3r.networx.ch (c00l3r.networx.ch [62.48.2.2]) by mx1.freebsd.org (Postfix) with ESMTP id F29F78FC14 for ; Tue, 27 Nov 2012 15:09:01 +0000 (UTC) Received: (qmail 35404 invoked from network); 27 Nov 2012 16:40:33 -0000 Received: from unknown (HELO [62.48.0.94]) ([62.48.0.94]) (envelope-sender ) by c00l3r.networx.ch (qmail-ldap-1.03) with SMTP for ; 27 Nov 2012 16:40:33 -0000 Message-ID: <50B4D7E1.60004@freebsd.org> Date: Tue, 27 Nov 2012 16:10:25 +0100 From: Andre Oppermann User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20121026 Thunderbird/16.0.2 MIME-Version: 1.0 To: attilio@FreeBSD.org Subject: Re: panic: vm_object_madvise: page 0xfffffe0413c58630 is fictitious References: <50B4A374.5040705@freebsd.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Nov 2012 15:09:02 -0000 On 27.11.2012 16:05, Attilio Rao wrote: > On Tue, Nov 27, 2012 at 11:26 AM, Andre Oppermann wrote: >> FreeBSD bbb.ccc 10.0-CURRENT FreeBSD 10.0-CURRENT #0: >> Fri Nov 23 17:00:40 CET 2012 >> aaa@bbb.ccc:/usr/obj/usr/src/head/sys/GENERIC amd64 >> >> #0 doadump (textdump=-2014022336) at pcpu.h:229 >> #1 0xffffffff8033e2d2 in db_fncall (dummy1=, >> dummy2=, >> dummy3=, dummy4=) >> at /usr/src/head/sys/ddb/db_command.c:578 >> #2 0xffffffff8033e074 in db_command (last_cmdp=, >> cmd_table=, dopager=1) at >> /usr/src/head/sys/ddb/db_command.c:449 >> #3 0xffffffff8033dd62 in db_command_loop () at >> /usr/src/head/sys/ddb/db_command.c:502 >> #4 0xffffffff80340690 in db_trap (type=, code=0) >> at /usr/src/head/sys/ddb/db_main.c:231 >> #5 0xffffffff808b375e in kdb_trap (type=3, code=0, tf=> out>) >> at /usr/src/head/sys/kern/subr_kdb.c:654 >> #6 0xffffffff80bfc71a in trap (frame=0xffffff8487f478a0) >> at /usr/src/head/sys/amd64/amd64/trap.c:579 >> #7 0xffffffff80be65b2 in calltrap () at /tmp/exception-3nQ6Cf.s:179 >> #8 0xffffffff808b2f5e in kdb_enter (why=0xffffffff80e5e23b "panic", >> msg=) >> at cpufunc.h:63 >> #9 0xffffffff8088086f in panic (fmt=) >> at /usr/src/head/sys/kern/kern_shutdown.c:628 >> #10 0xffffffff80adea4a in vm_object_madvise (object=, >> pindex=, end=8952, advise=) >> at /usr/src/head/sys/vm/vm_object.c:1101 > > Can you do: "frame 10" and then "info locals" and finally "p *m"? (kgdb) frame 10 #10 0xffffffff80adea4a in vm_object_madvise (object=, pindex=, end=8952, advise=) at /usr/src/head/sys/vm/vm_object.c:1101 1101 KASSERT((m->flags & PG_FICTITIOUS) == 0, Current language: auto; currently minimal (kgdb) info locals m = backing_object = tpindex = (kgdb) p *m Cannot access memory at address 0xa00000038 (kgdb) -- Andre