From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758905Ab0FPMWw (ORCPT ); Wed, 16 Jun 2010 08:22:52 -0400 Received: from fg-out-1718.google.com ([72.14.220.157]:47196 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754402Ab0FPMWv (ORCPT ); Wed, 16 Jun 2010 08:22:51 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=skVvCy8z4BWGWyneixwC4tlDzrJZNDnBh9w71aoBzOLBBs/wJRO95A1AyBUeV0Tg70 +DzM1S1wCv++6e4UOPXarB8YtnJp4B1sKCz8WscrjZkTAmWfxnGn9RJ9khPyuetwEeO1 68jFIydsFXMia1gCu2/tDTqmIreB319eNtcsc= Message-ID: <4C18C215.7050105@gmail.com> Date: Wed, 16 Jun 2010 15:22:45 +0300 From: roma1390 User-Agent: Mozilla-Thunderbird 2.0.0.24 (X11/20100329) MIME-Version: 1.0 To: Oliver Neukum CC: "linux-usb@vger.kernel.org" , Alan Stern , linux-kernel@vger.kernel.org Subject: Re: INFO: task khubd:271 blocked for more than 120 seconds. References: <4C18855E.5010508@gmail.com> <201006161030.36000.oneukum@suse.de> <4C188F22.90808@gmail.com> <201006161326.47203.oneukum@suse.de> In-Reply-To: <201006161326.47203.oneukum@suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Oliver Neukum wrote: >> Jun 12 17:01:09 kernel: [257610.508638] Uhhuh. NMI received for unknown reason b1. >> Jun 12 17:01:09 kernel: [257610.508668] You have some hardware problem, likely on the PCI bus. >> Jun 12 17:01:09 kernel: [257610.508696] Dazed and confused, but trying to continue > > This should definitely not happen. And it now I wonder how functional your > controller is at that point. all worked fine until 'Jun 16 00:36:55'. Usb device was used over libusb periodicaly (1-5 minutes) all that time. >> Jun 12 23:30:30 kernel: [287011.166413] usb 6-1: USB disconnect, address 2 > > Still after all this time, this is probably genuine. I think this was normal usb device plug/unplug. >> Jun 12 23:30:51 kernel: [287035.906789] usb 6-1: new full speed USB device using uhci_hcd and address 3 >> Jun 12 23:30:51 kernel: [287036.065433] usb 6-1: configuration #1 chosen from 1 choice >> Jun 12 23:30:51 kernel: [287036.093490] input: HP Virtual Keyboard as /class/input/input7 >> Jun 12 23:30:51 kernel: [287036.168130] input,hidraw0: USB HID v1.01 Keyboard [HP Virtual Keyboard] on usb-0000:01:04.4-1 >> Jun 12 23:30:51 kernel: [287036.175959] input: HP Virtual Keyboard as /class/input/input8 >> Jun 12 23:30:51 kernel: [287036.216150] input,hidraw1: USB HID v1.01 Mouse [HP Virtual Keyboard] on usb-0000:01:04.4-1 >> Jun 12 23:30:51 kernel: [287036.220005] usb 6-1: New USB device found, idVendor=03f0, idProduct=1027 >> Jun 12 23:30:51 kernel: [287036.220005] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 >> Jun 12 23:30:51 kernel: [287036.220005] usb 6-1: Product: Virtual Keyboard >> Jun 12 23:30:51 kernel: [287036.220005] usb 6-1: Manufacturer: HP >> Jun 13 06:25:02 kernel: imklog 3.18.6, log source = /proc/kmsg started. >> Jun 13 06:25:03 kernel: imklog 3.18.6, log source = /proc/kmsg started. >> Jun 14 06:25:01 kernel: imklog 3.18.6, log source = /proc/kmsg started. >> Jun 15 06:25:01 kernel: imklog 3.18.6, log source = /proc/kmsg started. >> Jun 16 00:36:55 kernel: [600606.885265] usb 6-1: USB disconnect, address 3 > > And this. Looks like a bad cable. I think this is of usb device failure, but the bigest problem is that blocked hang. There isn't any cable except wiretraces on motherboard :D. That device is like: http://www.aradasystems.com/Upload/ProductImages/128835373116845000image_usb_dongle.jpg and connected dirrectly to the usb port, which is inside server case. >> Jun 16 00:39:02 kernel: [600738.152638] INFO: task khubd:271 blocked for more than 120 seconds. >> Jun 16 00:39:02 kernel: [600738.152682] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >> Jun 16 00:39:02 kernel: [600738.155993] khubd D ffff810916ca1400 0 271 2 >> Jun 16 00:39:02 kernel: [600738.156038] ffff810919523d50 0000000000000046 363030365b3e363c 36323538382e3630 > > Alan, didn't you recently fix an issue like this? > > Regards > Oliver