From owner-freebsd-hackers@FreeBSD.ORG Fri Feb 18 12:21:42 2011 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AAFC9106564A for ; Fri, 18 Feb 2011 12:21:42 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id 4239E8FC19 for ; Fri, 18 Feb 2011 12:21:40 +0000 (UTC) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id p1ICLahf038868 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 18 Feb 2011 14:21:36 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4) with ESMTP id p1ICLaQJ007883; Fri, 18 Feb 2011 14:21:36 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4/Submit) id p1ICLai7007882; Fri, 18 Feb 2011 14:21:36 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Fri, 18 Feb 2011 14:21:36 +0200 From: Kostik Belousov To: "Dr. Baud" Message-ID: <20110218122136.GA78089@deviant.kiev.zoral.com.ua> References: <137445.33642.qm@web120719.mail.ne1.yahoo.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Bu1yJv+wdE57ohW6" Content-Disposition: inline In-Reply-To: <137445.33642.qm@web120719.mail.ne1.yahoo.com> User-Agent: Mutt/1.4.2.3i X-Spam-Status: No, score=-3.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00, DNS_FROM_OPENWHOIS autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: freebsd-hackers@freebsd.org Subject: Re: spontaneous reboot - ptrace X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Feb 2011 12:21:42 -0000 --Bu1yJv+wdE57ohW6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 18, 2011 at 03:58:05AM -0800, Dr. Baud wrote: >=20 >=20 > > First, do you have a console output during the run ? Is it possible > > that machine paniced ? If not, were there any kernel messages before> > > reboot ? > > > > Second, what is the process you are dumping ? Can you show at least > > the procstat -v output for the process ? >=20 > Sorry for this late response but my earlier response appears to have = been=20 > consumed by the email reflector. >=20 > I'm getting an NMI. And the trouble appears to be when trying to > read via ptrace memory segments of type KVME_TYPE_DEVICE. The app in > quesion allocates a large number of large memory buffers and maps them > into virtual address space. Not all segments cause the NMI however. > Small sampling of the virtual memory map. You did not provided exact console output on the panic, despite requested. What is the device that was mmaped ? Obviously, this is your problem. Can you gather all required information ? >=20 > PID START END PRT RES PRES REF SHD FL TP P= ATH > 931 0x400000 0x1773000 r-x 4239 5053 2 1 CN vn /= mnt/dia > g/problemchild > 931 0x1872000 0x2ef2000 rw- 416 0 1 0 C- vn /= mnt/dia > g/problemchld > 931 0x2ef2000 0x6700000 rw- 11765 0 1 0 C- df > 931 0x801872000 0x8018a2000 r-x 48 0 57 28 CN vn /= libexec > /ld-elf.so.1 > 931 0x8018a2000 0x8018b3000 rw- 15 0 1 0 C- df > 931 0x8018b3000 0x801924000 rw- 113 0 1698 0 -- dv > 931 0x801924000 0x801925000 rw- 1 0 1698 0 -- dv > 931 0x801925000 0x801926000 rw- 1 0 1698 0 -- dv > 931 0x801926000 0x801927000 rw- 1 0 1698 0 -- dv > 931 0x801927000 0x801928000 rw- 1 0 1698 0 -- dv > 931 0x801928000 0x80192a000 rw- 2 0 1698 0 -- dv > 931 0x80192a000 0x80192b000 rw- 1 0 1698 0 -- dv > 931 0x80192b000 0x80192c000 rw- 1 0 1698 0 -- dv > 931 0x80192c000 0x80192d000 rw- 1 0 1698 0 -- dv > 931 0x80192d000 0x80192e000 rw- 1 0 1698 0 -- dv > 931 0x80192e000 0x801930000 rw- 2 0 1698 0 -- dv > 931 0x801930000 0x801932000 rw- 2 0 1698 0 -- dv > 931 0x801932000 0x801993000 rw- 97 0 1698 0 -- dv > 931 0x801993000 0x8019a0000 rw- 13 0 1698 0 -- dv > 931 0x8019a0000 0x8019a1000 rw- 1 0 1698 0 -- dv >=20 > .... >=20 > 931 0x802ab7000 0x802bb7000 --- 0 0 1 0 CN df > 931 0x0x802bb70 0x0x802bd6000 rw- 17 0 1 0 C- vn /= lib/lib > c.so.7 > 931 0x802bd6000 0x802bf1000 rw- 18 0 1 0 C- df > 931 0x802bf1000 0x802bfd000 r-x 9 14 2 1 CN vn /= lib/lib > gcc_s.so.1 > 931 0x802bfd000 0x802cfc000 --- 0 0 1 0 CN df > 931 0x802cfc000 0x802cfe000 rw- 2 0 1 0 CN vn /= lib/lib > gcc_s.so.1 > 931 0x802cfe000 0x802cff000 rw- 1 0 1698 0 -- dv > 931 0x802cff000 0x802d00000 rw- 1 0 1698 0 -- dv > 931 0x802d00000 0x802e00000 rw- 132 0 1 0 C- df > 931 0x802e00000 0x802f00000 rw- 109 0 1 0 C- df > 931 0x802f00000 0x802f91000 rw- 145 0 1698 0 -- dv > 931 0x802f91000 0x802fb2000 rw- 33 0 1698 0 -- dv > 931 0x802fb2000 0x802fd3000 rw- 33 0 1698 0 -- dv > 931 0x802fd3000 0x802ff5000 rw- 34 0 1698 0 -- dv > 931 0x802ff5000 0x802ff6000 rw- 1 0 1698 0 -- dv >=20 >=20 > =20 > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" --Bu1yJv+wdE57ohW6 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk1eZE8ACgkQC3+MBN1Mb4hwWgCg2r32Aks0g5+3+3jrIPHQ8fya THoAoPNcBa+auCGVDGCIxSNFsVjsO7aE =MiZg -----END PGP SIGNATURE----- --Bu1yJv+wdE57ohW6--