Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S970444AbXEHXmb (ORCPT ); Tue, 8 May 2007 19:42:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S968116AbXEHXmW (ORCPT ); Tue, 8 May 2007 19:42:22 -0400 Received: from turing-police.cc.vt.edu ([128.173.14.107]:49354 "EHLO turing-police.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S968060AbXEHXmV (ORCPT ); Tue, 8 May 2007 19:42:21 -0400 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: Andi Kleen Cc: Ken Moffat , linux-kernel@vger.kernel.org, "Eric W. Biederman" , Vivek Goyal , Andi Kleen Subject: Re: Lockup after logging out of X In-Reply-To: Your message of "Wed, 09 May 2007 01:01:34 +0200." <20070508230134.GD17482@one.firstfloor.org> From: Valdis.Kletnieks@vt.edu References: <20070508195142.GA30030@deepthought> <20070508230134.GD17482@one.firstfloor.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1178667721_15957P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 08 May 2007 19:42:01 -0400 Message-ID: <16127.1178667721@turing-police.cc.vt.edu> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2088 Lines: 55 --==_Exmh_1178667721_15957P Content-Type: text/plain; charset=us-ascii On Wed, 09 May 2007 01:01:34 +0200, Andi Kleen said: > Already known, although it is still unclear what the bug actually is. > Can you run with the appended patch please (from Eric Biederman) > and post any backtraces the WARN_ON in there spews out? > diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h > index b17fc16..e6a4d1e 100644 > + if (likely(v < __START_KERNEL_map)) \ > + v -= PAGE_OFFSET; \ > + else \ > + v = (v - __START_KERNEL_map) + phys_base; \ ERROR: "phys_base" [net/sunrpc/sunrpc.ko] undefined! ERROR: "phys_base" [net/sunrpc/auth_gss/rpcsec_gss_spkm3.ko] undefined! ERROR: "phys_base" [net/sunrpc/auth_gss/auth_rpcgss.ko] undefined! ERROR: "phys_base" [net/mac80211/mac80211.ko] undefined! ERROR: "phys_base" [net/ieee80211/ieee80211_crypt_wep.ko] undefined! ERROR: "phys_base" [net/ieee80211/ieee80211_crypt_tkip.ko] undefined! ERROR: "phys_base" [fs/nfsd/nfsd.ko] undefined! ERROR: "phys_base" [fs/nfs/nfs.ko] undefined! ERROR: "phys_base" [fs/jbd2/jbd2.ko] undefined! ERROR: "phys_base" [fs/ecryptfs/ecryptfs.ko] undefined! ERROR: "phys_base" [drivers/net/ppp_mppe.ko] undefined! ERROR: "phys_base" [drivers/char/agp/intel-agp.ko] undefined! make[1]: *** [__modpost] Error 1 Looks like a missing EXPORT_SYMBOL. Unfortunately, the definition is here: arch/x86_64/kernel/head.S:ENTRY(phys_base) Do I need to go the old symtabs.c route and stick the EXPORT_SYMBOL in some other .c file? --==_Exmh_1178667721_15957P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFGQQrJcC3lWbTT17ARAiOsAKCWj0lP6+bBSZDIOhPkBi4KiC2h2ACeIVfq zAAKLWaC+7O8UVvgWGXtMvY= =XfAT -----END PGP SIGNATURE----- --==_Exmh_1178667721_15957P-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/