Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263711AbUACSf3 (ORCPT ); Sat, 3 Jan 2004 13:35:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263734AbUACSf2 (ORCPT ); Sat, 3 Jan 2004 13:35:28 -0500 Received: from sccrmhc13.comcast.net ([204.127.202.64]:15014 "EHLO sccrmhc13.comcast.net") by vger.kernel.org with ESMTP id S263711AbUACSfE (ORCPT ); Sat, 3 Jan 2004 13:35:04 -0500 From: John M Flinchbaugh Date: Sat, 3 Jan 2004 13:35:01 -0500 To: linux-kernel@vger.kernel.org Subject: 2.6.1-rc1, scanner.ko, oops Message-ID: <20040103183501.GA2906@butterfly.hjsoft.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="MGYHOYXEY6WxJCY8" Content-Disposition: inline User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3105 Lines: 85 --MGYHOYXEY6WxJCY8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable i tried my canoscan 670u scanner with 2.6.1-rc1's scanner module, xsane 0.91, sane 1.0.13. (also, i'm using ohci-hcd on a tyan thunder s2462ung.) i had some trouble with "funky results" when all my usb devices were connected with a hub and all, but i'll continue to research that myself. with just the scanner and my apc ups plugged into separate ports, the scanner worked nicely, but when i tried to rmmod scanner, rmmod segfaulted and i got this error in dmesg: drivers/usb/core/usb.c: deregistering driver usbscanner ohci_hcd 0000:00:07.4: shutdown urb dd9d07c0 pipe 40008280 ep1in-intr drivers/usb/core/file.c: removing 1 minor drivers/usb/core/file.c: release_usb_class_dev - scanner1 usb 1-1: hcd_unlink_urb dd9d07c0 fail -22 Unable to handle kernel NULL pointer dereference at virtual address 0000001e printing eip: e0d0d0cc *pde =3D 00000000 Oops: 0000 [#1] CPU: 1 EIP: 0060:[] Not tainted EFLAGS: 00210246 EIP is at disconnect_scanner+0x2c/0x5d [scanner] eax: ffffffff ebx: dfd79bd4 ecx: e0d0d0a0 edx: 00000007 esi: 00000000 edi: dd9d086c ebp: de6c7e5c esp: de6c7e4c ds: 007b es: 007b ss: 0068 Process rmmod (pid: 2989, threadinfo=3Dde6c6000 task=3Dc426ad20) Stack: dfd79bc0 e0d11498 dfd79bc0 e0d11500 de6c7e78 e0c52167 dfd79bc0 dfd79= bc0=20 dfd79c00 dfd79bd4 e0d11520 de6c7e90 c0230ed0 dfd79bd4 dfd79c00 dd9d0= 884=20 dd9d0840 de6c7eac e0d0c9f0 dfd79bd4 dfd79bc0 dd9d0884 e0d11430 00000= 000=20 Call Trace: [] usb_unbind_interface+0x77/0x80 [usbcore] [] device_release_driver+0x60/0x70 [] destroy_scanner+0x50/0xb0 [scanner] [] kobject_cleanup+0x8d/0x90 [] usb_unbind_interface+0x77/0x80 [usbcore] [] device_release_driver+0x60/0x70 [] driver_detach+0x22/0x40 [] bus_remove_driver+0x3a/0x70 [] driver_unregister+0x14/0x28 [] usb_deregister+0x32/0x40 [usbcore] [] usb_scanner_exit+0x12/0x14 [scanner] [] sys_delete_module+0x147/0x1a0 [] sys_munmap+0x44/0x70 [] syscall_call+0x7/0xb Code: 80 7e 1e 00 75 1e 85 f6 74 12 8d 46 44 8b 5d f8 8b 75 fc 89=20 =20 --=20 ____________________}John Flinchbaugh{______________________ | glynis@hjsoft.com http://www.hjsoft.com/~glynis/ | ~~Powered by Linux: Reboots are for hardware upgrades only~~ --MGYHOYXEY6WxJCY8 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) iD8DBQE/9wtVCGPRljI8080RAkimAJ9nZMhekj64jKSWfrkiFw5LLMTz7QCcD6HB LiOyL5k69syMo32fAEae8LA= =iBab -----END PGP SIGNATURE----- --MGYHOYXEY6WxJCY8-- - 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/