Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765035AbYA2QKZ (ORCPT ); Tue, 29 Jan 2008 11:10:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760096AbYA2QKM (ORCPT ); Tue, 29 Jan 2008 11:10:12 -0500 Received: from hydra.gt.owl.de ([195.71.99.218]:35513 "EHLO hydra.gt.owl.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756948AbYA2QKK (ORCPT ); Tue, 29 Jan 2008 11:10:10 -0500 X-Greylist: delayed 2059 seconds by postgrey-1.27 at vger.kernel.org; Tue, 29 Jan 2008 11:10:10 EST Date: Tue, 29 Jan 2008 16:33:05 +0100 From: Florian Lohoff To: Nai Xia Cc: k-ueda@ct.jp.nec.com, linux-kernel@vger.kernel.org Subject: Re: kernel BUG at ide-cd.c:1726 in 2.6.24-03863-g0ba6c33 && -g8561b089 Message-ID: <20080129153305.GA7203@paradigm.rfc822.org> References: <200801292201.45718.nai.xia@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="vtzGhvizbBRQ85DL" Content-Disposition: inline In-Reply-To: <200801292201.45718.nai.xia@gmail.com> Organization: rfc822 - pure communication X-SpiderMe: mh-200801291622@listme.rfc822.org User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3859 Lines: 90 --vtzGhvizbBRQ85DL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jan 29, 2008 at 10:01:45PM +0800, Nai Xia wrote: >=20 > Build environment: debian sid, gcc-4.2.3, i386. >=20 > The bug is in lately git-pull from=20 >=20 > git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git >=20 > And it can be reproduced very easily on a machine with normal cdroms. > It halts booting and I grabbed the bug output with an serial console. I get this on boot on an Core Duo Lifebook E8110 with an DVD Recorder which renders this kernel unusable: [ 40.406743] ------------[ cut here ]------------ [ 40.410255] kernel BUG at drivers/ide/ide-cd.c:1726! [ 40.410255] invalid opcode: 0000 [#1] PREEMPT SMP=20 [ 40.410255] Modules linked in: ehci_hcd(+) ohci1394(+) uhci_hcd(+) outpu= t yenta_socket(+) rsrc_nonstatic irda parport_pc(+) parport mmc_core ieee13= 94 pcmcia_core sky2 ide_cd usbcore crc_ccitt [ 40.410255]=20 [ 40.410255] Pid: 1115, comm: modprobe Not tainted (2.6.25-rc0 #1) [ 40.410255] EIP: 0060:[] EFLAGS: 00010002 CPU: 0 [ 40.410255] EIP is at cdrom_newpc_intr+0xfb/0x29f [ide_cd] [ 40.410255] EAX: 00000001 EBX: 00000002 ECX: 0000009e EDX: 00000001 [ 40.410255] ESI: 00000003 EDI: c0547f18 EBP: de52bdbc ESP: de52bd8c [ 40.410255] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 40.410255] Process modprobe (pid: 1115, ti=3Dde52a000 task=3Dde616000 t= ask.ti=3Dde52a000) [ 40.410255] Stack: c0528d00 de52bda8 df2d9600 de52bdb0 df24bc20 00000000= 0000009e de52bdbc=20 [ 40.410255] 00000050 c0547ec0 c0547f18 df24bc00 de52bdf4 c025bc76= 00000c64 de54ab7c=20 [ 40.410255] c050b760 000200d2 c0491758 0000000e 00000202 e0055d75= de616000 df24d660=20 [ 40.410255] Call Trace: [ 40.410255] [] show_trace_log_lvl+0x1a/0x2f [ 40.410255] [] show_stack_log_lvl+0x9b/0xa3 [ 40.410255] [] show_registers+0xa4/0x1ba [ 40.410255] [] die+0x11d/0x1fe [ 40.410255] [] do_trap+0x8a/0xa3 [ 40.410255] [] do_invalid_op+0x88/0x92 [ 40.410255] [] error_code+0x72/0x78 [ 40.410255] [] ide_intr+0x166/0x1c9 [ 40.410255] [] handle_IRQ_event+0x21/0x48 [ 40.410255] [] handle_edge_irq+0xa8/0x10d [ 40.410255] [] do_IRQ+0x5c/0x78 [ 40.410255] [] common_interrupt+0x23/0x28 [ 40.410255] [] sys_init_module+0x29d/0x18e1 [ 40.410255] [] sysenter_past_esp+0x5f/0x85 [ 40.410255] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D [ 40.410255] Code: f6 45 f0 08 8b 92 98 00 00 00 89 55 e8 75 3e b8 80 e5 = 4c c0 e8 81 6d 32 e0 31 c9 31 d2 89 c3 8b 45 d8 e8 bf 1e 17 e0 85 c0 74 04 = <0f> 0b eb fe 8b 47 2c 89 da 8b 40 08 c7 40 1c 00 00 00 00 b8 80=20 [ 40.410255] EIP: [] cdrom_newpc_intr+0xfb/0x29f [ide_cd] SS:ES= P 0068:de52bd8c [ 40.410255] Kernel panic - not syncing: Fatal exception in interrupt Flo --=20 Florian Lohoff flo@rfc822.org +49-171-2280134 Those who would give up a little freedom to get a little=20 security shall soon have neither - Benjamin Franklin --vtzGhvizbBRQ85DL Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFHn0cxUaz2rXW+gJcRAtYnAKDkPXt4BOhofRtX9tgvQEknxnC++wCgvGhC tNRkP6/yLXyCPQ0KIJoKdDY= =4RRj -----END PGP SIGNATURE----- --vtzGhvizbBRQ85DL-- -- 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/