From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758476AbYERUbL (ORCPT ); Sun, 18 May 2008 16:31:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752952AbYERUax (ORCPT ); Sun, 18 May 2008 16:30:53 -0400 Received: from main.gmane.org ([80.91.229.2]:56287 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752817AbYERUaw (ORCPT ); Sun, 18 May 2008 16:30:52 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Sitsofe Wheeler Subject: Re: [BUG] unable to handle kernel paging request in next-20080516 Date: Sun, 18 May 2008 21:22:51 +0100 Message-ID: References: <20080518021423.3dcf0ddd.akpm@linux-foundation.org> <20080518174749.GA22939@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: cpc1-cwma5-0-0-cust137.swan.cable.ntl.com User-Agent: KNode/0.10.4 Cc: linux-scsi@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (I've dropped akpm because the mail server doesn't like where I'm sending from with this address) Greg KH wrote: > On Sun, May 18, 2008 at 02:14:23AM -0700, Andrew Morton wrote: >> >> (cc's added) >> >> On Sat, 17 May 2008 12:50:24 +0000 (UTC) Sitsofe Wheeler >> wrote: >> >> > BUG: unable to handle kernel paging request at e6f17fac >> > IP: [] scsi_bus_uevent+0x1/0x17 >> > *pde = 2714b163 *pte = 26f17160 >> > Oops: 0000 [#1] DEBUG_PAGEALLOC >> > last sysfs file: >> >> I thought we'd already fixed this? > > If you want to test them out yourself, the patches are this one first: > http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/gregkh-01-driver-core.current/driver-core-add-device_create_vargs-and-device_create_drvdata.patch > and then add any one of the rest of the patches in the directory at: > http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/gregkh-01-driver-core.current/ > depending on the subsystem you are having problems with. There are 12 > different ones in there. > > hope this helps, Bad news - the patches all applied to 2.6.26-rc2 / current HEAD but the problem remained. The trace at the end seems slightly different though (alas I have to transcribe): BUG: unable to handle kernel paging request at e725ffac IP: [] scsi_bus_uevent+0x1/0x17 *pde = 27845163 *pte = 2725f160 Oops: 0000 [#1] DEBUG_PAGEALLOC [...] dev_uevent dev_uevent kobject_uevent_env mutex_unlock kobject_uevent device_add mutex_unlock scsi_sys_add_sdev scsi_probe_and_add_lun mark_held_locks __scsi_add_device ata_scsi_scan_host ata_host_register ata_pci_sff_activate_host ata_sff_interrupt ata_pci_sff_init_one pci_device_probe driver_probe_device __driver_attach bus_for_each_dev driver_attach __driver_attach bus_add_driver driver_register __pci_register_driver kernel_init via_init kernel_init kernel_init kernel_init krenel_thread_helper -- Sitsofe | http://sucs.org/~sits/