From owner-freebsd-current@freebsd.org Wed Apr 25 19:39:52 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1C75BFADBCB for ; Wed, 25 Apr 2018 19:39:52 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id AF08E74EE9 for ; Wed, 25 Apr 2018 19:39:51 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (unknown [127.0.1.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by freefall.freebsd.org (Postfix) with ESMTPS id 7B09A1A7 for ; Wed, 25 Apr 2018 19:39:51 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (localhost [172.31.3.2]) by mail.xzibition.com (Postfix) with ESMTP id B533ED03C for ; Wed, 25 Apr 2018 19:39:50 +0000 (UTC) X-Virus-Scanned: amavisd-new at mail.xzibition.com Received: from mail.xzibition.com ([172.31.3.2]) by mail.xzibition.com (mail.xzibition.com [172.31.3.2]) (amavisd-new, port 10026) with LMTP id 95EpoY3eP989 for ; Wed, 25 Apr 2018 19:39:48 +0000 (UTC) Subject: Re: crash on process exit.. current at about r332467 DKIM-Filter: OpenDKIM Filter v2.10.3 mail.xzibition.com 444E1D037 To: freebsd-current References: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org> From: Bryan Drewery Openpgp: preference=signencrypt Autocrypt: addr=bdrewery@FreeBSD.org; prefer-encrypt=mutual; keydata= xsBNBFJphmsBCADiFgmS4bIzwZijrS31SjEMzg+n5zNellgM+HkShwehpqCiyhXdWrvH6dTZ a6u50pbUIX7doTR7W7PQHCjCTqtpwvcj0eulZva+iHFp+XrbgSFHn+VVXgkYP2MFySyZRFab D2qqzJBEJofhpv4HvY6uQI5K99pMqKr1Z/lHqsijYYu4RH2OfwB5PinId7xeldzWEonVoCr+ rfxzO/UrgA6v/3layGZcKNHFjmc3NqoN1DXtdaEHqtjIozzbndVkH6lkFvIpIrI6i5ox8pwp VxsxLCr/4Musd5CWgHiet5kSw2SzNeA8FbxdLYCpXNVu+uBACEbCUP+CSNy3NVfEUxsBABEB AAHNJEJyeWFuIERyZXdlcnkgPGJkcmV3ZXJ5QEZyZWVCU0Qub3JnPsLAgAQTAQoAKgIbAwUJ CWYBgAULCQgHAwUVCgkICwUWAwIBAAIeAQIXgAUCUmmLqAIZAQAKCRA113G7bkaXz1woB/9j vZ2l1BMa8KR5zv3dk95RzVa4y94ZVHv59/smemCuZdBdb1Z/Lit3NNzhEzEfTv++5gZNh07z 9/G95rpDh9gCUAY3I4m4Joz4khitoCWz608bZ/tHHbS7dmzZ3iE3kl8gRTb9khFAwe8kwlDd jcdlqm1FDoxidRrK+tuFjuIkrOU6nSLk/BWNrEQNYRxoqrqRHrCb9ddwIh8Th6CeBjYMYgbK umFQhxN7cd3mfNuHueiZ7o7m9rnfllVxaPukHjNtcBbc51tmL4bTDsakoBx40LQAhcQ6++1T yE7u9JLgDuztu/EktwvrbSkV10KBPC4lIGm+pxsbfwM9CXXdz66kzsBNBFJphmsBCACiVFPf kNfaFtUSuY0395ueo/rMyHPGPQ2iwvERFCpeFGSQSgagpenNHLpFQKTg/dl6FOoST5tqyxMq fyHGHDzzU51bvA/IfaGoNi/BIhTe/toZNMRvpcI3PLjiGcnJnuwCCbAVOAGdb+t5cZtpNdOI cKYmrYG3u9RiBpe6dTF+qLrD/8Bs1wjhduQ8fcNNgnkXu8xDH4ZxY0lIc3QgvYWp9vimlQe6 iKjUd2/DX28ETZcD5h6pYV331KMPTrEI0p0yvFijUZce8c1XHFyL1j9sBAha5qpszJl6Uq5i LolhKRcGfcdmtD72vHQjUYglUyudSJUVyo2gMYjdbiFKzJulABEBAAHCwGUEGAEKAA8FAlJp hmsCGwwFCQlmAYAACgkQNddxu25Gl89UPggA2mGQp28yCUKsJ6KHFVy/lpHfoQrKF+s7HfKT U2ObVeVNX4I8ZdW1UO48mRqxEOwY8r5YSH6X06OmiqCX2aSMXg3N06/l+ztlB0+UGGlkXBjv l9/nii+bC6b8XWuu0X7Qpb9oYBK9YtoaoyuVplAmjdj/cPou65meKIaS1yDTjHh450DrW8Qg he6l0bFX4BHKTSm99U90ML7EY19B6iI2BZSqWutVsyD71oAREY6NGgDpCOIO6FS41+WeYCDR j8vsa/BiaoX2d2SBDsCwsEwe9fg5PYMi2uVIhvL6OrxnwOdB+TkgvOy5zZSNO29UG/JilZKo Ndz2wpEaUzChGGqLvQ== Organization: FreeBSD Message-ID: <8644151e-7dce-1283-e804-93a4b1b7bb0b@FreeBSD.org> Date: Wed, 25 Apr 2018 12:39:47 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="abooaK8PsUHNk1KuIS7jFSXxx0uoCAv22" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 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: Wed, 25 Apr 2018 19:39:52 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --abooaK8PsUHNk1KuIS7jFSXxx0uoCAv22 Content-Type: multipart/mixed; boundary="t08czleOs9UmJhmQ2VqEJlCSzQghVkGjy"; protected-headers="v1" From: Bryan Drewery To: freebsd-current Message-ID: <8644151e-7dce-1283-e804-93a4b1b7bb0b@FreeBSD.org> Subject: Re: crash on process exit.. current at about r332467 References: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org> In-Reply-To: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org> --t08czleOs9UmJhmQ2VqEJlCSzQghVkGjy Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 4/23/18 7:50 AM, Julian Elischer wrote: > back trace at:=C2=A0 http://www.freebsd.org/~julian/bob-crash.png >=20 > If anyone wants to take a look.. >=20 > In the exit syscall, while deallocating a vm object. >=20 > I haven't see references to a similar crash in the last 10 days or so..= > But if it rings any bells... >=20 I just hit this on r332455 and have a dump. > panic: Bad link elm 0xfffff811cd920e60 prev->next !=3D elm > cpuid =3D 10 > time =3D 1524682939 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe23f= 450c3b0 > vpanic() at vpanic+0x18d/frame 0xfffffe23f450c410 > panic() at panic+0x43/frame 0xfffffe23f450c470 > vm_object_destroy() at vm_object_destroy/frame 0xfffffe23f450c4d0 > vm_object_deallocate() at vm_object_deallocate+0x45c/frame 0xfffffe23f4= 50c530 > vm_map_process_deferred() at vm_map_process_deferred+0x99/frame 0xfffff= e23f450c560 > vm_map_remove() at vm_map_remove+0xc6/frame 0xfffffe23f450c590 > exec_new_vmspace() at exec_new_vmspace+0x185/frame 0xfffffe23f450c5f0 > exec_elf64_imgact() at exec_elf64_imgact+0x8fb/frame 0xfffffe23f450c6e0= > kern_execve() at kern_execve+0x82c/frame 0xfffffe23f450ca40 > sys_execve() at sys_execve+0x4c/frame 0xfffffe23f450cac0 > amd64_syscall() at amd64_syscall+0x786/frame 0xfffffe23f450cbf0 > fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe23f450= cbf0 > --- syscall (59, FreeBSD ELF64, sys_execve), rip =3D 0x800d7af7a, rsp =3D= 0x7fffffffbd28, rbp =3D 0x7fffffffbe70 --- --=20 Regards, Bryan Drewery --t08czleOs9UmJhmQ2VqEJlCSzQghVkGjy-- --abooaK8PsUHNk1KuIS7jFSXxx0uoCAv22 Content-Type: application/pgp-signature; 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