From owner-freebsd-current@FreeBSD.ORG Sat Aug 29 22:19:53 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9190A106566B for ; Sat, 29 Aug 2009 22:19:53 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (skuns.zoral.com.ua [91.193.166.194]) by mx1.freebsd.org (Postfix) with ESMTP id 1148A8FC17 for ; Sat, 29 Aug 2009 22:19:52 +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 n7TMJV62054131 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 30 Aug 2009 01:19:31 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3) with ESMTP id n7TMJVrd081845; Sun, 30 Aug 2009 01:19:31 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3/Submit) id n7TMJVVG081844; Sun, 30 Aug 2009 01:19:31 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Sun, 30 Aug 2009 01:19:31 +0300 From: Kostik Belousov To: Andreas Tobler Message-ID: <20090829221931.GZ1881@deviant.kiev.zoral.com.ua> References: <4A997442.1060200@fgznet.ch> <20090829183906.GS1881@deviant.kiev.zoral.com.ua> <4A9988ED.2040403@fgznet.ch> <20090829201614.GU1881@deviant.kiev.zoral.com.ua> <4A999344.5000703@fgznet.ch> <20090829205723.GW1881@deviant.kiev.zoral.com.ua> <4A99A172.90009@fgznet.ch> <20090829215549.GY1881@deviant.kiev.zoral.com.ua> <4A99A863.1070806@fgznet.ch> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="8M+BMcg+0CmQ2H7L" Content-Disposition: inline In-Reply-To: <4A99A863.1070806@fgznet.ch> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: freebsd-current Subject: Re: Boot panic -CURRENT #196643 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sat, 29 Aug 2009 22:19:53 -0000 --8M+BMcg+0CmQ2H7L Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Aug 30, 2009 at 12:14:59AM +0200, Andreas Tobler wrote: > Kostik Belousov wrote: > >On Sat, Aug 29, 2009 at 11:45:22PM +0200, Andreas Tobler wrote: > >>Kostik Belousov wrote: > >> > >>>Please, try this. > >>> > >>>diff --git a/sys/vm/vm_glue.c b/sys/vm/vm_glue.c > >>>index 234cde9..b0e8d3c 100644 > >>>--- a/sys/vm/vm_glue.c > >>>+++ b/sys/vm/vm_glue.c > >>>@@ -447,6 +447,8 @@ vm_thread_dispose(struct thread *td) > >>> pages =3D td->td_kstack_pages; > >>> ksobj =3D td->td_kstack_obj; > >>> ks =3D td->td_kstack; > >>>+ td->td_kstack =3D 0; > >>>+ td->td_kstack_pages =3D 0; > >>> if (pages =3D=3D KSTACK_PAGES && kstacks <=3D kstack_cache_size) { > >>> ks_ce =3D (struct kstack_cache_entry *)ks; > >>> ks_ce->ksobj =3D ksobj; > >>>@@ -457,8 +459,6 @@ vm_thread_dispose(struct thread *td) > >>> return; > >>> } > >>> vm_thread_stack_dispose(ksobj, ks, pages); > >>>- td->td_kstack =3D 0; > >>>- td->td_kstack_pages =3D 0; > >>>} > >>> > >>>static void > >>panic: Assertion td->td_lock =3D=3D TDQ_LOCKPTR(tdq) failed ...=20 > >>sched_ule.c:1878 > >>cpuid =3D 1 > >>KDB: enter: panic > >>[thread pid 0 tid 100073 ] > >>Stopped at kdb_enter+0x3a: movl $0,kdb_why > >> > >>As you see I managed to reboot my zfs root ;) > > > >Fair enough. > > > >I reverted the change for now, HEAD must be kept in the working state, > >esp. during the release. > > > >My apologies for the breakage, r196648 should return the world > >to less broken state. >=20 >=20 > Np. Thank you for helping here! >=20 > FreeBSD 9.0-CURRENT (TC) #3 r196648M: Sun Aug 30 00:02:14 CEST 2009 >=20 > Boots again and the rev in the line above is back. The (hopefully) fixed version of the change is at http://people.freebsd.org/~kib/misc/altkstacks.3.patch --8M+BMcg+0CmQ2H7L Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkqZqXIACgkQC3+MBN1Mb4g97gCbBCahfPS2gHNtjAg39buqewct vYcAn3yma/2z/ZfM5O5RpC0yPzcDh8d4 =iAF2 -----END PGP SIGNATURE----- --8M+BMcg+0CmQ2H7L--