Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761857AbXIZWRo (ORCPT ); Wed, 26 Sep 2007 18:17:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751243AbXIZWRg (ORCPT ); Wed, 26 Sep 2007 18:17:36 -0400 Received: from coyote.holtmann.net ([217.160.111.169]:49981 "EHLO mail.holtmann.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753868AbXIZWRf (ORCPT ); Wed, 26 Sep 2007 18:17:35 -0400 Subject: Re: [Bluez-devel] Warnings and Oops on 2.6.23-rc6 while activily using rfcomm links (mm/slab.c) From: Marcel Holtmann To: BlueZ development Cc: linux-kernel@vger.kernel.org In-Reply-To: <46F92364.3080603@idlum.be> References: <46F92364.3080603@idlum.be> Content-Type: text/plain Date: Thu, 27 Sep 2007 00:16:22 +0200 Message-Id: <1190844983.6484.39.camel@aeonflux.holtmann.net> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3257 Lines: 72 Hi Pierre-Yves, > Putting the bluetooth system under load (opening and closing several > rfcomm links off several USB adapters, and transmitting data over > them), > I got the Oops below. The computer hung completely, as you can see. > Just > before, I also got those warnings. I got another one that also seems to involve device_move() in some way. No idea on how I really got there. One time after resume it was there and I was simply using my UMTS mobile phone for Internet connection. Regards Marcel general protection fault: 0000 [#2] Modules linked in: battery ac thermal fan button ipw2200 ieee80211 ieee80211_cry pt tg3 btusb ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt ppp_generic s lhc option usbserial ohci_hcd bnep bridge llc rfcomm l2cap bluetooth binfmt_misc nfsd exportfs lockd sunrpc uinput parport_pc ppdev parport i915 drm ipv6 acpi_c pufreq cpufreq_stats cpufreq_powersave cpufreq_performance cpufreq_ondemand freq _table cpufreq_conservative sbs container bay dock fuse snd_intel8x0 snd_ac97_co dec ac97_bus pcmcia snd_pcm_oss snd_pcm snd_mixer_oss snd_seq_oss snd_seq_midi s nd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device sdhci firmware_cl ass evdev sg mmc_core yenta_socket rsrc_nonstatic pcmcia_core snd ehci_hcd uhci_ hcd 8250_pci 8250 serial_core thinkpad_acpi hwmon video output soundcore snd_pag e_alloc backlight nvram usbcore processor unix CPU: 0 EIP: 0060:[] Tainted: G D VLI EFLAGS: 00010282 (2.6.23-rc7 #41) EIP is at dput+0xf/0xf4 eax: fffffffe ebx: fffffffe ecx: 00000000 edx: f70f6d04 esi: fffffffe edi: f76e14b0 ebp: d16b5de0 esp: d16b5dd8 ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068 Process wvdial (pid: 5229, ti=d16b5000 task=c46a6cb0 task.ti=d16b5000) Stack: f1d8b0a8 fffffffe d16b5e18 c019539c ffffffff fffffffe ffffffff 00000000 f77c8ac8 f1d8b0a8 00000000 fffffffe 00000000 f1d8b0a8 f72f9dc0 f72f9f40 d16b5e48 c01d8fea c5d8bec0 c0359476 f72f9f40 fffffff4 c5d8bec0 c5d8bec0 Call Trace: [] show_trace_log_lvl+0x1a/0x2f [] show_stack_log_lvl+0x9d/0xa5 [] show_registers+0x1b5/0x287 [] die+0xf1/0x225 [] do_general_protection+0x1b8/0x1c0 [] error_code+0x6a/0x70 [] sysfs_move_dir+0x1a0/0x1b2 [] kobject_move+0xab/0xf6 [] device_move+0x52/0xed [] rfcomm_tty_open+0x1b9/0x1c4 [rfcomm] [] tty_open+0x170/0x2b1 [] chrdev_open+0xf1/0x137 [] __dentry_open+0xb8/0x169 [] nameidata_to_filp+0x27/0x37 [] do_filp_open+0x33/0x3b [] do_sys_open+0x45/0xc4 [] sys_open+0x1c/0x1e [] sysenter_past_esp+0x6b/0xa1 ======================= Code: 49 43 83 f9 ff 75 e5 89 75 e8 8d 55 e8 89 f8 e8 f0 fd ff ff 83 c4 0c 5b 5e 5f 5d c3 55 89 e5 56 53 89 c3 85 c0 0f 84 e1 00 00 00 <83> 38 01 75 05 e8 17 a0 15 00 ba 40 8b 39 c0 89 d8 e8 cd 6a 06 EIP: [] dput+0xf/0xf4 SS:ESP 0068:d16b5dd8 - 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/