From owner-freebsd-current@freebsd.org Wed Apr 25 19:41:42 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 8AFB7FADCB3 for ; Wed, 25 Apr 2018 19:41:42 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [96.47.72.132]) (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 2057A751B2 for ; Wed, 25 Apr 2018 19:41:42 +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 DEC6B3EE for ; Wed, 25 Apr 2018 19:41:41 +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 1CB65D042 for ; Wed, 25 Apr 2018 19:41:41 +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 52CIJRwE7AJ6 for ; Wed, 25 Apr 2018 19:41:38 +0000 (UTC) Subject: Re: crash on process exit.. current at about r332467 DKIM-Filter: OpenDKIM Filter v2.10.3 mail.xzibition.com 5E31CD03D From: Bryan Drewery To: freebsd-current References: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org> <8644151e-7dce-1283-e804-93a4b1b7bb0b@FreeBSD.org> 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: Date: Wed, 25 Apr 2018 12:41:37 -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: <8644151e-7dce-1283-e804-93a4b1b7bb0b@FreeBSD.org> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="XrXTZQPqT7qonL4KyhQAbkofj9ZnNHGLl" 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 19:41:42 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --XrXTZQPqT7qonL4KyhQAbkofj9ZnNHGLl Content-Type: multipart/mixed; boundary="q07P0RfWC0x9DqdfKOtoNi9gPYJFoA94D"; protected-headers="v1" From: Bryan Drewery To: freebsd-current Message-ID: Subject: Re: crash on process exit.. current at about r332467 References: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org> <8644151e-7dce-1283-e804-93a4b1b7bb0b@FreeBSD.org> In-Reply-To: <8644151e-7dce-1283-e804-93a4b1b7bb0b@FreeBSD.org> --q07P0RfWC0x9DqdfKOtoNi9gPYJFoA94D Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 4/25/18 12:39 PM, Bryan Drewery wrote: > On 4/23/18 7:50 AM, Julian Elischer wrote: >> back trace at:=C2=A0 http://www.freebsd.org/~julian/bob-crash.png >> >> If anyone wants to take a look.. >> >> In the exit syscall, while deallocating a vm object. >> >> I haven't see references to a similar crash in the last 10 days or so.= =2E >> But if it rings any bells... >> >=20 > I just hit this on r332455 and have a dump. >=20 >> 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 0xfffffe23= f450c3b0 >> 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 0xfffffe23f= 450c530 >> vm_map_process_deferred() at vm_map_process_deferred+0x99/frame 0xffff= fe23f450c560 >> 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 0xfffffe23f450c6e= 0 >> 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 0xfffffe23f45= 0cbf0 >> --- syscall (59, FreeBSD ELF64, sys_execve), rip =3D 0x800d7af7a, rsp = =3D 0x7fffffffbd28, rbp =3D 0x7fffffffbe70 --- >=20 >=20 >=20 It's a different stack than Julian's but it seems like the same issue to = me. --=20 Regards, Bryan Drewery --q07P0RfWC0x9DqdfKOtoNi9gPYJFoA94D-- --XrXTZQPqT7qonL4KyhQAbkofj9ZnNHGLl Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEE+Rc8ssOq6npcih8JNddxu25Gl88FAlrg2fEACgkQNddxu25G l89EZgf8Ca/haSUNmxU+Xq6cYacl19+4AFizBi6FcNw+QYWQ4EOEhNl0zSig5W4V cCUwkXcx18ULMBWcax4rFMBDi8TPXYPNPFtB8Pr+DNUWycN4f68jpLqnRxo5htlt QeKbS/uq2tPkon7ALBRRlUFRFoUZGtk/ptOCSocSMr6SCT6jkgF/FVcf7lR6GSSn 0q/mt9s8rZ9x4xN78/Atczvi01uLmDxSbLpJy/vUkGrrcYp+E6XdJPgKfne07BcF d56AApE7KiSgL1ipP6YhmylL1jEmScG0jnfr43HGHYP+NcDyvKo2Ye8URs8WqaAo RAOs658bQhF7EE4/WNt0KrLEbwB73Q== =/3P0 -----END PGP SIGNATURE----- --XrXTZQPqT7qonL4KyhQAbkofj9ZnNHGLl--