Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755364AbYK1Vd0 (ORCPT ); Fri, 28 Nov 2008 16:33:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752712AbYK1VdO (ORCPT ); Fri, 28 Nov 2008 16:33:14 -0500 Received: from mu-out-0910.google.com ([209.85.134.191]:24589 "EHLO mu-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752697AbYK1VdM (ORCPT ); Fri, 28 Nov 2008 16:33:12 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; b=N4Q6rh6q0jl4eIBLFtMq/DoAvx+/XlED02t0vjGY6BN5yD7C3Zlzhan0mux/kFSw1q wChTV99BypxAiuNyr6N8KSpWBgdRkBkbdpnSkJdv2T3NsoPm3QmoWzWf/LaQgmJnM/ND 9/cv4VgBRn19tvx0vmwasZ/8Diu2iNq2Onwf0= Date: Fri, 28 Nov 2008 22:32:59 +0100 From: Marcin Slusarz To: LKML Cc: linux-usb@vger.kernel.org, netdev@vger.kernel.org, Greg Kroah-Hartman Subject: option: oops on unload (2.6.27.4) Message-ID: <20081128213254.GB6750@joi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3190 Lines: 49 It's not new bug - I've seen this oops many times but on much older kernels (2.6.18, probably on 2.6.24 too). I tried to rmmod it (and all usb modules) because sometimes it helps when modem disconnects and can't connect again. [25350.138850] BUG: unable to handle kernel paging request at e0857fb4 [25350.138866] IP: [] :usbcore:unlink1+0xab/0xb9 [25350.138921] *pde = 1f80f067 *pte = 00000000 [25350.138934] Oops: 0000 [#1] PREEMPT SMP [25350.138945] Modules linked in: r128 drm ipt_REDIRECT ipt_MASQUERADE xt_tcpudp xt_multiport iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack iptable_filter ip_tables ppp_deflate zlib_deflate zlib_inflate bsd_comp ppp_async crc_ccitt ppp_generic slhc ipt_REJECT x_tables loop option usbserial snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_timer snd 8139cp i2c_i801 floppy 8139too 3c59x psmouse intel_agp soundcore snd_page_alloc sg mii usbcore agpgart i2c_core sr_mod evdev dcdbas cdrom [last unloaded: uhci_hcd] [25350.139052] [25350.139059] Pid: 2807, comm: pppd Not tainted (2.6.27.4 #5) [25350.139065] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 [25350.139088] EIP is at unlink1+0xab/0xb9 [usbcore] [25350.139095] EAX: df9fdc00 EBX: e0857f80 ECX: fffffffe EDX: dafe5e80 [25350.139101] ESI: df9fdc00 EDI: dafe5e80 EBP: dad89e80 ESP: dad89e6c [25350.139107] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [25350.139114] Process pppd (pid: 2807, ti=dad88000 task=d9614380 task.ti=dad88000) [25350.139119] Stack: fffffffe 00000246 dafe5e80 daff3480 dafe56b8 dad89e8c e0a23672 dafe5e80 [25350.139140] dad89eb0 e0a240fc 00000246 dafe56bc dafe5680 daff3480 dafe56b8 00000000 [25350.139160] dafe56b8 dad89ecc e088e8fc dece9000 decf3800 e0890ca0 dece9000 dece90c4 [25350.139181] Call Trace: [25350.139188] [] ? usb_hcd_unlink_urb+0x15/0x22 [usbcore] [25350.139218] [] ? usb_kill_urb+0x4b/0xc2 [usbcore] [25350.139246] [] ? option_close+0x7b/0x9b [option] [25350.139267] [] ? serial_close+0x82/0xf3 [usbserial] [25350.139285] [] ? release_dev+0x180/0x3c3 [25350.139302] [] ? __lock_acquire+0x651/0x697 [25350.139315] [] ? tty_release+0x12/0x1c [25350.139324] [] ? __fput+0x99/0x13b [25350.139336] [] ? fput+0x17/0x19 [25350.139345] [] ? filp_close+0x50/0x5a [25350.139355] [] ? sys_close+0x73/0xab [25350.139364] [] ? sysenter_do_call+0x12/0x35 [25350.139376] ======================= [25350.139380] Code: 89 f0 e8 f7 fe ff ff b8 84 91 a3 e0 e8 30 3c 8a df 8b 55 f0 b8 84 91 a3 e0 e8 b2 40 8a df eb 10 8b 9e b4 00 00 00 8b 4d ec 89 f0 53 34 89 c3 89 d8 5f 5a 5b 5e 5f 5d c3 55 89 e5 57 56 53 83 [25350.139497] EIP: [] unlink1+0xab/0xb9 [usbcore] SS:ESP 0068:dad89e6c [25350.139527] ---[ end trace 8506998287f38ab7 ]--- Full dmesg and config can be found at: http://www.kadu.net/~joi/kernel/2008.11.28/option-usb.oops/ Marcin -- 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/