Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752769AbYCOMsQ (ORCPT ); Sat, 15 Mar 2008 08:48:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751410AbYCOMr7 (ORCPT ); Sat, 15 Mar 2008 08:47:59 -0400 Received: from out2.smtp.messagingengine.com ([66.111.4.26]:46833 "EHLO out2.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751239AbYCOMr5 (ORCPT ); Sat, 15 Mar 2008 08:47:57 -0400 X-Sasl-enc: K6ec/iA2Lu29mLS8hRCvXvTFNMYyKR+jRcUrQjHOBki0 1205585276 Message-ID: <47DBC578.7050101@imap.cc> Date: Sat, 15 Mar 2008 13:47:52 +0100 From: Tilman Schmidt Organization: me - organized?? User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; de-AT; rv:1.8.1.12) Gecko/20080201 SeaMonkey/1.1.8 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: Dave Hansen CC: Eric Piel , Andrew Morton , linux-kernel@vger.kernel.org, Thomas Renninger , Len Brown , Linus Torvalds , Christoph Hellwig , Markus Gaugusch , linux-acpi@vger.kernel.org, Al Viro , Arjan van de Ven Subject: Re: [2.6.25-rc5-mm1] BUG: spinlock bad magic early during boot References: <20080311011434.ad8c8d7d.akpm@linux-foundation.org> <47D86D43.2060108@imap.cc> <1205441216.4971.65.camel@nimitz.home.sr71.net> <47D9C853.3040701@imap.cc> <1205517802.12763.18.camel@nimitz.home.sr71.net> <1205525184.12763.32.camel@nimitz.home.sr71.net> <47DAE55C.3080506@tremplin-utc.net> <1205530551.8167.20.camel@nimitz.home.sr71.net> <47DB013D.3060102@tremplin-utc.net> <1205537395.8167.31.camel@nimitz.home.sr71.net> In-Reply-To: <1205537395.8167.31.camel@nimitz.home.sr71.net> X-Enigmail-Version: 0.95.6 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigE8F0AF5D46A46DD5023E7677" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3761 Lines: 98 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigE8F0AF5D46A46DD5023E7677 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Am 15.03.2008 00:29 schrieb Dave Hansen: > Anyway, I'm sick of too much bitching and too little coding. Andrew, > here's a patch for -mm that will at least shut up the spinlock warnings= =2E Sorry to say, it doesn't. That is, it does shut up the warning I reported, but there's a new one appearing now instead, three lines later. Here's the dmesg diff: @@ -216,29 +216,30 @@ CPU0: Thermal monitoring enabled Compat vDSO mapped to ffffe000. Checking 'hlt' instruction... OK. -BUG: spinlock bad magic on CPU#0, swapper/0 - lock: c2c19380, .magic: 00000000, .owner: swapper/0, .owner_cpu: 0 -Pid: 0, comm: swapper Not tainted 2.6.25-rc5-mm1-testing #2 - [] spin_bug+0x7c/0x87 - [] _raw_spin_unlock+0x19/0x71 - [] _spin_unlock+0x1d/0x3c - [] mnt_want_write+0x62/0x88 - [] sys_mkdirat+0x86/0xd6 - [] ? clean_path+0x16/0x4a - [] ? kfree+0xd8/0xec - [] sys_mkdir+0x10/0x12 - [] do_name+0x112/0x1b3 - [] write_buffer+0x1d/0x2c - [] flush_window+0x64/0xb3 - [] unpack_to_rootfs+0x62c/0x8b9 - [] populate_rootfs+0x20/0x109 - [] ? alternative_instructions+0x153/0x158 - [] start_kernel+0x343/0x355 - [] i386_start_kernel+0x8/0xa - =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Unpacking initramfs... done -Freeing initrd memory: 8767k freed +Freeing initrd memory: 8834k freed ACPI: Core revision 20070126 +INFO: trying to register non-static key. +the code is fine but needs lockdep annotation. +turning off the locking correctness validator. +Pid: 0, comm: swapper Not tainted 2.6.25-rc5-mm1-testing #3 + [] __lock_acquire+0x144/0xb6e + [] ? native_sched_clock+0xe0/0xff + [] ? kmem_cache_alloc+0x89/0xc9 + [] ? trace_hardirqs_on+0xe8/0x11d + [] lock_acquire+0x6a/0x90 + [] ? down_trylock+0xc/0x27 + [] _spin_lock_irqsave+0x42/0x72 + [] ? down_trylock+0xc/0x27 + [] down_trylock+0xc/0x27 + [] acpi_os_wait_semaphore+0x67/0x13d + [] acpi_ut_acquire_mutex+0x65/0xcf + [] acpi_ns_root_initialize+0x1a/0x289 + [] acpi_initialize_subsystem+0x47/0x6a + [] acpi_early_init+0x57/0xf8 + [] start_kernel+0x34d/0x35a + [] i386_start_kernel+0x8/0xa + =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D ACPI: Checking initramfs for custom DSDT Parsing all Control Methods: Table [DSDT](id 0001) - 637 Objects with 63 Devices 160 Methods 41 Regio= ns HTH T. --=20 Tilman Schmidt E-Mail: tilman@imap.cc Bonn, Germany Diese Nachricht besteht zu 100% aus wiederverwerteten Bits. Unge=F6ffnet mindestens haltbar bis: (siehe R=FCckseite) --------------enigE8F0AF5D46A46DD5023E7677 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3rc1 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFH28V4MdB4Whm86/kRAlCbAJ9QE44/noLVNiNUWSjymXy9DoNmSwCdG3KT RFx0vd3TCbfC/N1W2yL31Yc= =7yHe -----END PGP SIGNATURE----- --------------enigE8F0AF5D46A46DD5023E7677-- -- 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/