From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755311AbYJEAou (ORCPT ); Sat, 4 Oct 2008 20:44:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753875AbYJEAom (ORCPT ); Sat, 4 Oct 2008 20:44:42 -0400 Received: from casper.infradead.org ([85.118.1.10]:48980 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751893AbYJEAol (ORCPT ); Sat, 4 Oct 2008 20:44:41 -0400 Date: Sat, 4 Oct 2008 17:44:33 -0700 From: Arjan van de Ven To: linux-kernel@vger.kernel.org Cc: torvalds@linux-foundation.org, Nick Piggin Subject: [kerneloops] regression in 2.6.27 wrt "lock_page" and the "hwclock" program Message-ID: <20081004174433.14a5e093@infradead.org> Organization: Intel X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.12; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Details: http://www.kerneloops.org/searchweek.php?search=lock_page There's quite a few of this BUG, which seems to be an interaction between the "hwclock" program and something in 2.6.27. It's new in .27 and is currently the 8th ranked issue..... BUG: sleeping function called from invalid context at include/linux/pagemap.h:294 in_atomic():0, irqs_disabled():1 INFO: lockdep is turned off. irq event stamp: 0 hardirqs last enabled at (0): [<00000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x2e7/0x115e softirqs last enabled at (0): [] copy_process+0x2e7/0x115e softirqs last disabled at (0): [<00000000>] 0x0 Pid: 9591, comm: hwclock Tainted: G W 2.6.27-0.372.rc8.fc10.i686 #1 [] __might_sleep+0xd1/0xd6 [] lock_page+0x1a/0x34 [] find_lock_page+0x23/0x48 [] filemap_fault+0x9b/0x330 [] __do_fault+0x40/0x2e6 [] handle_mm_fault+0x2ec/0x6d2 [] do_page_fault+0x2e5/0x693 -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org