Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932486AbVISQQ0 (ORCPT ); Mon, 19 Sep 2005 12:16:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932487AbVISQQ0 (ORCPT ); Mon, 19 Sep 2005 12:16:26 -0400 Received: from eurogra4543-2.clients.easynet.fr ([212.180.52.86]:41913 "HELO briare1.heliogroup.fr") by vger.kernel.org with SMTP id S932486AbVISQQZ (ORCPT ); Mon, 19 Sep 2005 12:16:25 -0400 From: Hubert Tonneau To: Linux Kernel Mailing List Subject: Kernel 2.6.13 oops on removed CDROM Date: Mon, 19 Sep 2005 16:13:30 GMT Message-ID: <05DGL2I12@briare1.heliogroup.fr> X-Mailer: Pliant 94 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4066 Lines: 88 I've hot removed the CDROM from my laptop (probably not very wise), but I think it raised a bug in the kernel since after the expected IDE errors, I also get an unexpected 'oops' when Pliant calls 'mount' kernel function. <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: ATAPI reset complete <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: ATAPI reset complete <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <4>hdc: ATAPI reset complete <4>hdc: status error: status=0x00 { } <4>ide: failed opcode was: unknown <3>getblk(): invalid block size 0 requested <3>hardsect size: 38400 <4> [] __getblk_slow+0x120/0x130 <4> [] __getblk+0x48/0x50 <4> [] __bread+0x5/0x20 <4> [] isofs_fill_super+0x12a/0x500 [isofs] <4> [] sys_semtimedop+0xed/0x490 <4> [] get_sb_bdev+0xd0/0x110 <4> [] isofs_get_sb+0x1c/0x30 [isofs] <4> [] isofs_fill_super+0x0/0x500 [isofs] <4> [] do_kern_mount+0x4d/0xc0 <4> [] do_new_mount+0x8a/0xc0 <4> [] do_mount+0x13c/0x180 <4> [] copy_mount_options+0x59/0xc0 <4> [] sys_mount+0x7a/0xc0 <4> [] syscall_call+0x7/0xb <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1> printing eip: <4>c014dc77 <1>*pde = 00000000 <1>Oops: 0000 [#1] <4>Modules linked in: isofs ide_cd cdrom ppp_async crc_ccitt ppp_generic slhc rfcomm l2cap hci_usb bluetooth snd_intel8x0 usb_storage usblp ohci_hcd nls_cp437 msdos fat ehci_hcd sd_mod sg scsi_mod snd_usb_audio snd_hwdep snd_usb_lib snd_rawmidi snd_seq_device usbmouse usbkbd uhci_hcd usbcore snd_pcm_oss snd_mixer_oss snd_ac97_codec snd_pcm snd_page_alloc snd_timer snd soundcore <4>CPU: 0 <4>EIP: 0060:[] Not tainted VLI <4>EFLAGS: 00010282 (2.6.13) <4>EIP is at __bread+0x7/0x20 <4>eax: 00000000 ebx: 00008000 ecx: c02cb06c edx: 00000000 <4>esi: 00000000 edi: c0aaecb4 ebp: 00000010 esp: e1213e38 <4>ds: 007b es: 007b ss: 0068 <4>Process pliant (pid: 6500, threadinfo=e1212000 task=c723ea60) <4>Stack: f8935b8a 00000000 00000000 00000000 00000000 00000064 c0aaec80 00000000 <4> 00000000 00000000 00000000 00000000 d5530600 6e79796e 75006e6e 00000000 <4> c01a016d 00000000 00000000 00000000 e1213e00 ffffffff ffffffff 00009600 <4>Call Trace: <4> [] isofs_fill_super+0x12a/0x500 [isofs] <4> [] sys_semtimedop+0xed/0x490 <4> [] get_sb_bdev+0xd0/0x110 <4> [] isofs_get_sb+0x1c/0x30 [isofs] <4> [] isofs_fill_super+0x0/0x500 [isofs] <4> [] do_kern_mount+0x4d/0xc0 <4> [] do_new_mount+0x8a/0xc0 <4> [] do_mount+0x13c/0x180 <4> [] copy_mount_options+0x59/0xc0 <4> [] sys_mount+0x7a/0xc0 <4> [] syscall_call+0x7/0xb <4>Code: e1 ba 01 00 00 00 b8 02 00 00 00 e8 54 1c 00 00 8b 04 24 85 c0 74 05 e8 38 fd ff ff 58 c3 8d b6 00 00 00 00 e8 7b ff ff ff 89 c2 <8b> 00 a8 01 74 03 89 d0 c3 89 d0 e8 99 fd ff ff 89 c2 eb f2 90 <4> - 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/