From owner-freebsd-bugs@FreeBSD.ORG Wed Jul 24 06:40:00 2013 Return-Path: Delivered-To: freebsd-bugs@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id CDFA5E62 for ; Wed, 24 Jul 2013 06:40:00 +0000 (UTC) (envelope-from gnats@FreeBSD.org) 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)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id B190F2C66 for ; Wed, 24 Jul 2013 06:40:00 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.7/8.14.7) with ESMTP id r6O6e00A021671 for ; Wed, 24 Jul 2013 06:40:00 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.7/8.14.7/Submit) id r6O6e0Mb021660; Wed, 24 Jul 2013 06:40:00 GMT (envelope-from gnats) Resent-Date: Wed, 24 Jul 2013 06:40:00 GMT Resent-Message-Id: <201307240640.r6O6e0Mb021660@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Alexander Brovikov Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 17D0CCE6 for ; Wed, 24 Jul 2013 06:33:33 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from oldred.freebsd.org (oldred.freebsd.org [8.8.178.121]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 094A52C35 for ; Wed, 24 Jul 2013 06:33:33 +0000 (UTC) Received: from oldred.freebsd.org ([127.0.1.6]) by oldred.freebsd.org (8.14.5/8.14.7) with ESMTP id r6O6XVAE011163 for ; Wed, 24 Jul 2013 06:33:31 GMT (envelope-from nobody@oldred.freebsd.org) Received: (from nobody@localhost) by oldred.freebsd.org (8.14.5/8.14.5/Submit) id r6O6XVg9011158; Wed, 24 Jul 2013 06:33:31 GMT (envelope-from nobody) Message-Id: <201307240633.r6O6XVg9011158@oldred.freebsd.org> Date: Wed, 24 Jul 2013 06:33:31 GMT From: Alexander Brovikov To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Subject: kern/180788: [xen] [panic] XEN PV kernel 9.2-BETA1 panics on boot X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2013 06:40:01 -0000 >Number: 180788 >Category: kern >Synopsis: [xen] [panic] XEN PV kernel 9.2-BETA1 panics on boot >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Jul 24 06:40:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Alexander Brovikov >Release: 9.2-BETA1 >Organization: >Environment: FreeBSD 9.2-BETA1 #0: Wed Jul 24 06:06:39 YEKT 2013 bas@freebsd92b1:/usr/obj/usr/src/sys/XEN i386 >Description: XEN PV kernel (built from stock XEN conf file) 9.2-BETA1 panics on boot: pid 25 (sh), uid 0: exited on signal 11 panic: removing pages from non-current pmap cpuid = 0 KDB: enter: panic [ thread pid 25 tid 100036 ] Stopped at kdb_enter+0x3a: movl $0,kdb_why db> db> bt Tracing pid 25 tid 100036 td 0xc26f6bc0 kdb_enter(c04074b6,c04074b6,c044750f,ccb79944,0,...) at kdb_enter+0x3a/frame 0xccb7990c panic(c044750f,0,c04465f7,e06,c01170c5,...) at panic+0x18c/frame 0xccb79938 pmap_remove_pages(c253e724,c04055fa,e8,0,c26f3000,...) at pmap_remove_pages+0x68c/frame 0xccb799b8 vmspace_exit(c26f6bc0,0,c04013a5,141,c0192e88,...) at vmspace_exit+0x90/frame 0xccb799d8 exit1(c26f6bc0,b,19,c26f320c,0,...) at exit1+0x62e/frame 0xccb79a28 sigexit(c26f6bc0,b,c0407561,b02,c05dd978,...) at sigexit+0xe43/frame 0xccb79c30 postsig(b,64,c040d916,fc,1,...) at postsig+0x20b/frame 0xccb79ce0 ast(ccb79d18) at ast+0x37f/frame 0xccb79d0c vm86_biosret() at vm86_biosret+0x9c/frame 0xbf7fcc68 db> >How-To-Repeat: Boot XEN PV kernel via pygrub on XenServer 6.2. 9.1-RELEASE in PV mode on same XS works well. >Fix: >Release-Note: >Audit-Trail: >Unformatted: