From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263062AbUGIUjW (ORCPT ); Fri, 9 Jul 2004 16:39:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263943AbUGIUjW (ORCPT ); Fri, 9 Jul 2004 16:39:22 -0400 Received: from dhcp160179209.columbus.rr.com ([24.160.179.209]:11014 "EHLO nineveh.rivenstone.net") by vger.kernel.org with ESMTP id S263062AbUGIUi4 (ORCPT ); Fri, 9 Jul 2004 16:38:56 -0400 Date: Fri, 9 Jul 2004 16:38:52 -0400 To: Andrew Morton Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.7-mm7 Message-ID: <20040709203852.GA1997@samarkand.rivenstone.net> Mail-Followup-To: Andrew Morton , linux-kernel@vger.kernel.org References: <20040708235025.5f8436b7.akpm@osdl.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="1yeeQ81UyVL57Vl7" Content-Disposition: inline In-Reply-To: <20040708235025.5f8436b7.akpm@osdl.org> User-Agent: Mutt/1.5.6+20040523i From: jhf@rivenstone.net (Joseph Fannin) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --1yeeQ81UyVL57Vl7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 08, 2004 at 11:50:25PM -0700, Andrew Morton wrote: >=20 > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.7/2.6.7= -mm7/ > +detect-too-early-schedule-attempts.patch >=20 > Catch attempts to call the scheduler before it is ready to go. With this patch, my Powermac (ppc32) spews 711 (I think) warning messages during bootup. The first one looks like: Calibrating delay loop... 1064.96 BogoMIPS Mount-cache hash table entries: 512 (order: 0, 4096 bytes) Badness in schedule at kernel/sched.c:2153 Call trace: [c00099e4] dump_stack+0x18/0x28 [c0006bac] check_bug_trap+0x84/0xac [c0006d38] ProgramCheckException+0x164/0x1a4 [c0006240] ret_from_except_full+0x0/0x4c [c02021bc] schedule+0x24/0x684 [c0005e80] syscall_exit_work+0x108/0x10c [c02e0ad0] proc_root_init+0x14c/0x158 [00000000] 0x0 [c02ce5a0] start_kernel+0x158/0x184 [000035fc] 0x35fc and this goes on until: Badness in schedule at kernel/sched.c:2153 Call trace: [c00099e4] dump_stack+0x18/0x28 [c0006bac] check_bug_trap+0x84/0xac [c0006d38] ProgramCheckException+0x164/0x1a4 [c0006240] ret_from_except_full+0x0/0x4c [c02021bc] schedule+0x24/0x684 [c00062ec] resume_kernel+0x38/0x58 [c020249c] schedule+0x304/0x684 [c002c85c] worker_thread+0x258/0x27c [c00317d0] kthread+0xb8/0xc0 [c0009128] kernel_thread+0x44/0x60 adb devices: [2]: 2 2 [3]: 3 1 ADB keyboard at 2, handler set to 3 The full dmesg is 322K, and is up at: http://www.rivenstone.net/linux/samarkand.dmesg Most of the traces look something like the bottom one. --=20 Joseph Fannin jhf@rivenstone.net --1yeeQ81UyVL57Vl7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFA7wJaWv4KsgKfSVgRArd1AJ9HABUAbUzczJAryxIr1tdkFy/xNwCfR17f qYT2j0MGKLDYPHGDr62DPL0= =4Aqi -----END PGP SIGNATURE----- --1yeeQ81UyVL57Vl7--