From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751537AbXB0Kgl (ORCPT ); Tue, 27 Feb 2007 05:36:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932160AbXB0Kgl (ORCPT ); Tue, 27 Feb 2007 05:36:41 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:58209 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751537AbXB0Kgk (ORCPT ); Tue, 27 Feb 2007 05:36:40 -0500 Date: Tue, 27 Feb 2007 11:36:20 +0100 From: Pavel Machek To: kernel list Cc: Greg KH Subject: 2.6.21-rc1: mmc reader no longer works, usb oops Message-ID: <20070227103620.GA8205@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! MMC card reader in x60 no longer works in -rc1. (Will have to check if it worked before s2ram). When playing with usb-serial, I got this oops (upon trying to start minicom /dev/ttyUSB0 while linux gadget on the other end was crashing). Pavel ... usbcore: registered new interface driver usbserial drivers/usb/serial/usb-serial.c: USB Serial support registered for generic usbcore: registered new interface driver usbserial_generic drivers/usb/serial/usb-serial.c: USB Serial Driver core usb 2-2: USB disconnect, address 6 PM: Removing info for No Bus:usbdev2.6_ep84 PM: Removing info for usb:2-2:1.0 PM: Removing info for No Bus:usbdev2.6_ep82 PM: Removing info for No Bus:usbdev2.6_ep03 PM: Removing info for usb:2-2:1.1 PM: Removing info for No Bus:usbdev2.6 PM: Removing info for No Bus:usbdev2.6_ep00 PM: Removing info for usb:2-2 usb 2-2: new full speed USB device using uhci_hcd and address 7 PM: Adding info for usb:2-2 PM: Adding info for No Bus:usbdev2.7_ep00 usb 2-2: configuration #1 chosen from 1 choice PM: Adding info for usb:2-2:1.0 usbserial_generic 2-2:1.0: generic converter detected PM: Adding info for usb-serial:ttyUSB72 PM: Adding info for No Bus:ttyUSB72 usb 2-2: generic converter now attached to ttyUSB72 PM: Adding info for No Bus:usbdev2.7_ep01 PM: Adding info for No Bus:usbdev2.7_ep82 PM: Adding info for No Bus:usbdev2.7_ep83 PM: Adding info for No Bus:usbdev2.7 usb 2-2: USB disconnect, address 7 PM: Removing info for No Bus:usbdev2.7_ep01 PM: Removing info for No Bus:usbdev2.7_ep82 PM: Removing info for No Bus:usbdev2.7_ep83 PM: Removing info for No Bus:ttyUSB72 generic ttyUSB72: generic converter now disconnected from ttyUSB72 PM: Removing info for usb-serial:ttyUSB72 usbserial_generic 2-2:1.0: device disconnected PM: Removing info for usb:2-2:1.0 PM: Removing info for No Bus:usbdev2.7 PM: Removing info for No Bus:usbdev2.7_ep00 PM: Removing info for usb:2-2 BUG: unable to handle kernel NULL pointer dereference at virtual address 00000014 printing eip: c0620657 *pde = 00000000 Oops: 0002 [#1] SMP Modules linked in: usbserial CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010046 (2.6.21-rc1 #404) EIP is at __mutex_lock_interruptible_slowpath+0x27/0x270 eax: ed832000 ebx: 00000010 ecx: ffffffed edx: 0000006b esi: 00000246 edi: c217c030 ebp: 00000010 esp: ed833e5c ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Process minicom (pid: 7929, ti=ed832000 task=c217c030 task.ti=ed832000) Stack: 00000000 c02dd875 f6f58000 c0170b42 f2f0a308 00000000 c078a3e0 ed833ec8 00000000 00000004 c20d50e8 f76ec3ec 00000010 f8cdae7c c02da5a4 22222222 22222222 f714e1b0 ffffffed ffffffed f714e1b0 0bc00000 f76ec3ec c02ddcdb Call Trace: [] init_dev+0x2c5/0x5e0 [] get_unused_fd+0x52/0xc0 [] serial_open+0x5c/0x180 [usbserial] [] check_tty_count+0x14/0xb0 [] tty_open+0x14b/0x2c0 [] chrdev_open+0xad/0x1a0 [] chrdev_open+0x0/0x1a0 [] __dentry_open+0xb8/0x1d0 [] nameidata_to_filp+0x35/0x40 [] do_filp_open+0x4b/0x60 [] cache_alloc_debugcheck_after+0x3e/0x150 [] get_unused_fd+0x52/0xc0 [] do_sys_open+0x4a/0xe0 [] sys_open+0x1c/0x20 [] syscall_call+0x7/0xb ======================= Code: 00 00 00 00 55 57 56 53 89 c3 83 ec 24 89 e0 25 00 e0 ff ff 64 8b 3d 08 00 00 00 f7 40 14 00 ff ff 0f 0f 85 f7 01 00 00 9c 5e fa fe 4b 04 79 0a f3 90 80 7b 04 00 7e f8 eb f0 3b 5b 18 0f 85 EIP: [] __mutex_lock_interruptible_slowpath+0x27/0x270 SS:ESP 0068:ed833e5c usb 2-2: new full speed USB device using uhci_hcd and address 8 Slab corruption: start=c20d50e8, len=64 Redzone: 0x5a2cf071/0x5a2cf071. Last user: [](kobject_uevent_env+0x3b8/0x4e0) 030: 6b 6b 6b 6b 6c 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 Next obj: start=c20d5134, len=64 Redzone: 0x170fc2a5/0x170fc2a5. Last user: [](cache_alloc_refill+0x4f5/0x6c0) 000: 90 ce 7b f7 74 cf 7b f7 00 00 00 00 00 00 25 f7 010: 08 00 00 00 ff ff ff ff 00 00 5a 5a fe ff ff ff PM: Adding info for usb:2-2 PM: Adding info for No Bus:usbdev2.8_ep00 usb 2-2: configuration #1 chosen from 2 choices PM: Adding info for usb:2-2:1.0 PM: Adding info for No Bus:usb0 usb0: register 'cdc_ether' at usb-0000:00:1d.0-2, CDC Ethernet Device, 4e:32:36:a7:73:2e PM: Adding info for No Bus:usbdev2.8_ep83 PM: Adding info for usb:2-2:1.1 PM: Adding info for No Bus:usbdev2.8_ep81 PM: Adding info for No Bus:usbdev2.8_ep02 PM: Adding info for No Bus:usbdev2.8 usb 2-2: USB disconnect, address 8 PM: Removing info for No Bus:usbdev2.8_ep83 usb0: unregister 'cdc_ether' usb-0000:00:1d.0-2, CDC Ethernet Device PM: Removing info for No Bus:usb0 PM: Removing info for usb:2-2:1.0 PM: Removing info for No Bus:usbdev2.8_ep81 PM: Removing info for No Bus:usbdev2.8_ep02 PM: Removing info for usb:2-2:1.1 PM: Removing info for No Bus:usbdev2.8 PM: Removing info for No Bus:usbdev2.8_ep00 PM: Removing info for usb:2-2 usb 2-2: new full speed USB device using uhci_hcd and address 9 PM: Adding info for usb:2-2 PM: Adding info for No Bus:usbdev2.9_ep00 usb 2-2: configuration #1 chosen from 1 choice PM: Adding info for usb:2-2:1.0 PM: Adding info for No Bus:usbdev2.9_ep84 PM: Adding info for usb:2-2:1.1 PM: Adding info for No Bus:usbdev2.9_ep82 PM: Adding info for No Bus:usbdev2.9_ep03 PM: Adding info for No Bus:usbdev2.9 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html