From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933004Ab1AMMga (ORCPT ); Thu, 13 Jan 2011 07:36:30 -0500 Received: from fmmailgate03.web.de ([217.72.192.234]:48827 "EHLO fmmailgate03.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932566Ab1AMMgT (ORCPT ); Thu, 13 Jan 2011 07:36:19 -0500 From: Ingo Brunberg To: linux-kernel@vger.kernel.org Subject: BUG in rt2x00lib_txdone() with 2.6.37-rc8 Date: Thu, 13 Jan 2011 13:36:16 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V01U2FsdGVkX1+xVTRbQSAgOBO4mqgYf89RmfU5Dqn9SVTLVOxD tlTAL4FUXesSVX1f+aDrboTLhRyo7YR6lROpgX6GPbtd5AnSGd hxm7CGjcrizfMzUcB/vw== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I also suffer from this bug with 2.6.37. The first time the following trace made it into my logs. Hopefully it might help. BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [] rt2x00lib_txdone+0x31/0x259 [rt2x00lib] PGD a7011067 PUD ab9b2067 PMD 0 Oops: 0000 [#1] SMP last sysfs file: /sys/devices/pci0000:00/0000:00:13.2/usb2/2-3/2-3.4/2-3.4:1.0/firmware/2-3.4:1.0/loading CPU 3 Modules linked in: aes_generic af_packet w83627ehf hwmon_vid ipv6 fbcon font bitblit softcursor dm_mod arc4 ecb crypto_blkcipher cryptomgr aead crypto_algapi rt73usb rt2x00usb rt2x00lib mac80211 cfg80211 usbhid hid radeon snd_hda_codec_realtek ttm r8169 drm_kms_helper sr_mod drm cdrom firewire_ohci snd_hda_intel i2c_piix4 bitrev 8250_pnp processor snd_hda_codec ohci_hcd thermal_sys ehci_hcd usbcore crc32 8250 i2c_algo_bit firewire_core i2c_core sg pata_atiixp crc_itu_t rtc button k10temp evdev hwmon snd_pcm snd_timer cfbcopyarea cfbimgblt snd floppy cfbfillrect serial_core mii nls_base soundcore snd_page_alloc Pid: 3069, comm: kworker/3:0 Not tainted 2.6.37 #1 M3A785GXH/128M/To Be Filled By O.E.M. RIP: 0010:[] [] rt2x00lib_txdone+0x31/0x259 [rt2x00lib] RSP: 0018:ffff880094ad3d30 EFLAGS: 00010286 RAX: 0000000000000030 RBX: ffff88011df79980 RCX: 0000000000000014 RDX: 0000000000000101 RSI: ffff880094ad3d90 RDI: 0000000000000000 RBP: ffff88011ec37af8 R08: 0000000000000002 R09: ffffffff00000002 R10: 0000000000000286 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000028 R14: ffff880094ad3d90 R15: ffff88011df79c10 FS: 00007fc5bad23710(0000) GS:ffff8800cfd80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000090 CR3: 00000000ab985000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process kworker/3:0 (pid: 3069, threadinfo ffff880094ad2000, task ffff88011ff08b20) Stack: ffff88011fc7e420 0000000000011000 0000000000000030 0000000000004000 ffff88011ec37af8 ffff88011dcb3af0 ffff88011df79980 ffff88011dcb3b40 ffff88011dcb3b40 0000000000000003 ffff88011df79c10 ffffffffa009862e Call Trace: [] ? rt2x00lib_txdone_noinfo+0x22/0x27 [rt2x00lib] [] ? rt2x00usb_work_txdone+0x3e/0x6d [rt2x00usb] [] ? rt2x00usb_watchdog+0x69/0xe0 [rt2x00usb] [] ? rt2x00link_watchdog+0x0/0x4a [rt2x00lib] [] ? rt2x00link_watchdog+0x27/0x4a [rt2x00lib] [] ? process_one_work+0x20e/0x34e [] ? worker_thread+0x1c9/0x340 [] ? __wake_up_common+0x41/0x78 [] ? worker_thread+0x0/0x340 [] ? worker_thread+0x0/0x340 [] ? kthread+0x7a/0x82 [] ? kernel_thread_helper+0x4/0x10 [] ? kthread+0x0/0x82 [] ? kernel_thread_helper+0x0/0x10 Code: f6 41 55 41 54 55 48 89 fd 53 48 83 ec 28 4c 8b 67 10 48 8b 47 08 48 8b 18 49 8d 44 24 30 4c 89 e7 4d 8d 6c 24 28 48 89 44 24 10 <41> 8b 94 24 90 00 00 00 66 89 54 24 1e e8 1b 16 14 00 48 89 ef RIP [] rt2x00lib_txdone+0x31/0x259 [rt2x00lib] RSP CR2: 0000000000000090 ---[ end trace 2c6843a38ee68ff0 ]---