Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750993AbWCJOZh (ORCPT ); Fri, 10 Mar 2006 09:25:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751267AbWCJOZh (ORCPT ); Fri, 10 Mar 2006 09:25:37 -0500 Received: from nproxy.gmail.com ([64.233.182.203]:12525 "EHLO nproxy.gmail.com") by vger.kernel.org with ESMTP id S1750993AbWCJOZh convert rfc822-to-8bit (ORCPT ); Fri, 10 Mar 2006 09:25:37 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=DClnonNIjVR3UhecEygIIYa0LJ9VHzXwzr6OzAMHMjbKJ9JydUHZ418jBGdQyN0tB7hu/6cFQCwiNXmhMKzSekONgpydS8H683ayiSZ0hQtcHh0+oipRDbGwdBvJiiSYAkhdfk23UCAgDoQ1JwKkN+VZXFWF3PDYpbI3UGr/rJU= Message-ID: Date: Fri, 10 Mar 2006 09:25:35 -0500 From: "Bob Copeland" To: paulus@samba.org, "Linux Kernel list" Subject: 2.6.16-rc5 pppd oops on disconnects MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3628 Lines: 83 I searched the mailing list and saw a similar report but that was back in January and it looked to be resolved. I get the following oops in pppd when I'm connected with my tethered cell phone and accidentally unplug the usb cable. Happens every time. I'm running Linus' git 0d514f040ac6629311974889d5b96bcf21c6461a (I think). PPP Deflate Compression module registered usb 1-2: USB disconnect, address 4 Unable to handle kernel paging request at virtual address 6b6b6bfb printing eip: c027a4f6 *pde = 00000000 Oops: 0000 [#1] Modules linked in: ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt ppp_generic slhc i915 binfmt_misc parport_pc lp parport video thermal processor fan button battery ac af_packet nls_iso8859_1 nls_cp437 vfat fat dm_mod fuse evdev usb_storage ide_cd sr_mod scsi_mod cdrom i810 drm cdc_acm pcmcia crc32 eth1394 ipw2100 tg3 ieee80211 ieee80211_crypt 8250_pci 8250 serial_core yenta_socket rsrc_nonstatic pcmcia_core ohci1394 ieee1394 snd_intel8x0 ehci_hcd snd_intel8x0m snd_ac97_codec uhci_hcd snd_ac97_bus usbcore intel_agp agpgart unix CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00210046 (2.6.16-rc5 #16) EIP is at __mutex_lock_slowpath+0x70/0x286 eax: cf549e20 ebx: cf548000 ecx: 00000000 edx: 00000054 esi: 6b6b6bdb edi: cea6f030 ebp: c017592e esp: cf549e20 ds: 007b es: 007b ss: 0068 Process pppd (pid: 4076, threadinfo=cf548000 task=cea6f030) Stack: <0>cf549e20 cf549e20 11111111 11111111 cf549e20 cce32c60 cf609cc4 cf609ccc cf609c60 c017592e ccabf7a0 cce5466c 6b6b6b6b cce32c60 cf609cc4 cf609ccc cf609c60 c01e756e cce5466c ccabf7a0 cd619aac c029fd21 00000000 ccabf7a0 Call Trace: [] sysfs_hash_and_remove+0x34/0x10a [] class_device_del+0xa0/0x11c [] class_device_unregister+0xb/0x16 [] acm_tty_unregister+0x1d/0x63 [cdc_acm] [] acm_tty_close+0x9d/0xac [cdc_acm] [] release_dev+0x1a9/0x5b7 [] opost+0x1bb/0x1d3 [] __fput+0x74/0x132 [] tty_release+0x9/0xc [] __fput+0x9f/0x132 [] filp_close+0x4e/0x57 [] sys_close+0x56/0x63 [] syscall_call+0x7/0xb Code: dc dd 27 c0 85 d2 0f 44 c2 68 ef 59 28 c0 c7 05 98 48 2c c0 00 00 00 00 a3 8c 33 2c c0 e8 be c1 e9 ff e8 f4 95 e8 ff 83 c4 10 fa <39> 76 20 74 49 83 3d 98 48 2c c0 00 74 40 8b 15 8c 33 2c c0 b8 <3>Debug: sleeping function called from invalid context at include/linux/rwsem.h:43 in_atomic():0, irqs_disabled():1 [] exit_mm+0x28/0xe8 [] do_exit+0x17f/0x619 [] do_simd_coprocessor_error+0x0/0x14f [] do_page_fault+0x389/0x4c0 [] do_page_fault+0x0/0x4c0 [] sysfs_hash_and_remove+0x34/0x10a [] error_code+0x4f/0x54 [] sysfs_hash_and_remove+0x34/0x10a [] __mutex_lock_slowpath+0x70/0x286 [] sysfs_hash_and_remove+0x34/0x10a [] class_device_del+0xa0/0x11c [] class_device_unregister+0xb/0x16 [] acm_tty_unregister+0x1d/0x63 [cdc_acm] [] acm_tty_close+0x9d/0xac [cdc_acm] [] release_dev+0x1a9/0x5b7 [] opost+0x1bb/0x1d3 [] __fput+0x74/0x132 [] tty_release+0x9/0xc [] __fput+0x9f/0x132 [] filp_close+0x4e/0x57 [] sys_close+0x56/0x63 [] syscall_call+0x7/0xb -Bob - 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/