Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761637AbZAQAhb (ORCPT ); Fri, 16 Jan 2009 19:37:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752780AbZAQAhU (ORCPT ); Fri, 16 Jan 2009 19:37:20 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.123]:58752 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751227AbZAQAhS (ORCPT ); Fri, 16 Jan 2009 19:37:18 -0500 Date: Fri, 16 Jan 2009 19:37:14 -0500 (EST) From: Steven Rostedt X-X-Sender: rostedt@gandalf.stny.rr.com To: Fernando Lopez-Lezcano cc: LKML , Ingo Molnar , Peter Zijlstra , Thomas Gleixner Subject: Re: 2.6.26.6-rt11: BUGs (sleeping function called from invalid context) In-Reply-To: <1232147180.3081.4.camel@localhost.localdomain> Message-ID: References: <1226083858.20569.14.camel@localhost.localdomain> <1232136975.6326.32.camel@localhost.localdomain> <1232147180.3081.4.camel@localhost.localdomain> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3048 Lines: 85 On Fri, 16 Jan 2009, Fernando Lopez-Lezcano wrote: > On Fri, 2009-01-16 at 15:49 -0500, Steven Rostedt wrote: > > On Fri, 16 Jan 2009, Fernando Lopez-Lezcano wrote: > > > > > On Fri, 2008-11-07 at 14:01 -0500, Steven Rostedt wrote: > > > > Peter, I think we've seen this before. It is the highmem code sleeping. > > > > > > > > On Fri, 7 Nov 2008, Fernando Lopez-Lezcano wrote: > > > > > > > > > Three BUGs while booting 2.6.26.7 + rt11 (same hardware: no problems > > > > > with 2.6.24.7-rt21): > > > > > > > > > > Nov 7 10:31:19 host kernel: BUG: sleeping function called from invalid > > > > > context IRQ-22(540) at arch/x86/mm/highmem_32.c:8 > > > > > Nov 7 10:31:19 host kernel: in_atomic():0 [00000000], irqs_disabled():1 > > > > > Nov 7 10:31:19 host kernel: Pid: 540, comm: IRQ-22 Not tainted > > > > > 2.6.26.7-1.rt11.1fc9.ccrma.i686.rt #1 > > > > > Nov 7 10:31:19 host kernel: [] __might_sleep+0xe8/0xed > > > > > Nov 7 10:31:19 host kernel: [] kmap+0x42/0x55 > > > > > > > > As here. > > > > > > Still happening in 2.6.26.8-rt13... > > > > Could you try this patch and see if it fixes your issue. > > That particular BUG seems to be gone, so far with no side effects (no > hard disk explosions or anything like that, hopefully). Thanks!!! Great to hear! > > Hmmm, I don't remember seeing this before (but I could be wrong): > > irq 19: nobody cared (try booting with the "irqpoll" option) > Pid: 479, comm: IRQ-19 Not tainted > 2.6.26.8-1.rt13.2.fc9.ccrma.i686.rtPAE #1 > [] __report_bad_irq+0x2e/0x6f > [] note_interrupt+0x1bb/0x20b > [] ? handle_IRQ_event+0x49/0xe6 > [] thread_simple_irq+0x68/0x7c > [] ? do_irqd+0x0/0x229 > [] do_irqd+0xaf/0x229 > [] ? do_irqd+0x0/0x229 > [] kthread+0x3b/0x61 > [] ? kthread+0x0/0x61 > [] kernel_thread_helper+0x7/0x10 > ======================= > handlers: > [] (usb_hcd_irq+0x0/0x61) > turning off IO-APIC fast mode. > irq 19: nobody cared (try booting with the "irqpoll" option) > Pid: 479, comm: IRQ-19 Not tainted > 2.6.26.8-1.rt13.2.fc9.ccrma.i686.rtPAE #1 > [] __report_bad_irq+0x2e/0x6f > [] note_interrupt+0x1bb/0x20b > [] ? handle_IRQ_event+0x49/0xe6 > [] thread_simple_irq+0x68/0x7c > [] ? do_irqd+0x0/0x229 > [] do_irqd+0xaf/0x229 > [] ? do_irqd+0x0/0x229 > [] kthread+0x3b/0x61 > [] ? kthread+0x0/0x61 > [] kernel_thread_helper+0x7/0x10 > ======================= > handlers: > [] (usb_hcd_irq+0x0/0x61) > > Related? No, but that looks like a boot interrupt issue. See this (huge) thread for details: http://marc.info/?t=123154237900002&r=1&w=2 -- Steve -- 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/