From owner-freebsd-stable@FreeBSD.ORG Thu May 7 15:09:36 2015 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 826E53D9 for ; Thu, 7 May 2015 15:09:36 +0000 (UTC) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 67350121D for ; Thu, 7 May 2015 15:09:36 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.9/8.14.9) with ESMTP id t47F9aWV040430 for ; Thu, 7 May 2015 15:09:36 GMT (envelope-from bdrewery@freefall.freebsd.org) Received: (from bdrewery@localhost) by freefall.freebsd.org (8.14.9/8.14.9/Submit) id t47F9aO8040425 for freebsd-stable@freebsd.org; Thu, 7 May 2015 15:09:36 GMT (envelope-from bdrewery) Received: (qmail 4731 invoked from network); 7 May 2015 10:09:34 -0500 Received: from unknown (HELO ?10.10.1.139?) (freebsd@shatow.net@10.10.1.139) by sweb.xzibition.com with ESMTPA; 7 May 2015 10:09:34 -0500 Message-ID: <554B803D.2020506@FreeBSD.org> Date: Thu, 07 May 2015 10:09:49 -0500 From: Bryan Drewery Organization: FreeBSD User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Johan Schuijt-Li , freebsd-stable@freebsd.org Subject: Re: panic: pmap active 0xfffff8001b7154b8 References: <554B7F5D.3050805@FreeBSD.org> In-Reply-To: <554B7F5D.3050805@FreeBSD.org> OpenPGP: id=F9173CB2C3AAEA7A5C8A1F0935D771BB6E4697CF; url=http://www.shatow.net/bryan/bryan2.asc Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="dfBceo2OOr6t51vx9b6p0JucoIoFtbGlE" X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 May 2015 15:09:36 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --dfBceo2OOr6t51vx9b6p0JucoIoFtbGlE Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 5/7/2015 10:06 AM, Bryan Drewery wrote: > On 5/7/2015 7:08 AM, Johan Schuijt-Li wrote: >> Hi, >> >> We=E2=80=99ve been seeing (seemingly) random reboots on 10.1-RELEASE v= irtual machines (KVM virtualisation) on our production servers. In an att= empt to determine what was causing this we=E2=80=99ve switched to running= a kernel with INVARIANTS enabled. This resulted for us in the following = panic: >> >> Unread portion of the kernel message buffer: >> panic: pmap active 0xfffff8001b7154b8 >> cpuid =3D 3 >> KDB: stack backtrace: >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe03= dd1493a0 >> kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe03dd149450 >> vpanic() at vpanic+0x126/frame 0xfffffe03dd149490 >> kassert_panic() at kassert_panic+0x139/frame 0xfffffe03dd149500 >> pmap_remove_pages() at pmap_remove_pages+0x8c/frame 0xfffffe03dd1495f0= >> exec_new_vmspace() at exec_new_vmspace+0x16a/frame 0xfffffe03dd149650 >> exec_elf64_imgact() at exec_elf64_imgact+0x658/frame 0xfffffe03dd14972= 0 >> kern_execve() at kern_execve+0x5e4/frame 0xfffffe03dd149a80 >> sys_execve() at sys_execve+0x37/frame 0xfffffe03dd149ae0 >> amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe03dd149bf0 >> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe03dd149bf0 >> --- syscall (59, FreeBSD ELF64, sys_execve), rip =3D 0x80158af1a, rsp = =3D 0x7fffffffac38, rbp =3D 0x7fffffffad40 --- >> >> >> I=E2=80=99ve only come across one other report here (without result un= fortunate): >> https://lists.freebsd.org/pipermail/freebsd-current/2014-June/050827.h= tml >> >=20 > I looked around for the conclusion of that thread but could not find it= =2E Found it. https://svnweb.freebsd.org/base?view=3Drevision&revision=3D2710= 00 This fix is in 10.1-RELEASE, so yours must be a little different. --=20 Regards, Bryan Drewery --dfBceo2OOr6t51vx9b6p0JucoIoFtbGlE Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBAgAGBQJVS4A9AAoJEDXXcbtuRpfPTR0H/3IXL3w28XcJy/eCgERBSPSU x2KatZ7Gt2vk3atIWdF9sKFsN7KvmM3m442Z/+4WVvIrNzhxuO/UVLfx7FTA2Nwt JfPuPTtnDYlTWApPM525+vAH8Cim7MVuvuNGzzF+lu9yx8z0y3+VGn6LJvbFPvdn P3otCXOA46wDwGDgl2FPT7CU9rEa/SfiWzuu5+pnIb0YxDL+LWUSkf7SHTm0ABvv YF3PlxYBzEthtUpV/J+ZM/32m+UOxsjo7yCdAUIrrYPIdBqCQClAnScGurVAHREp vdwRPOwgUv445FuNm8JJP3CYk1tw86S015htRUV9lYT+GkS0SY+c3u6k6eLttvU= =L9t2 -----END PGP SIGNATURE----- --dfBceo2OOr6t51vx9b6p0JucoIoFtbGlE--