Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757552AbYBDTNh (ORCPT ); Mon, 4 Feb 2008 14:13:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757366AbYBDTN1 (ORCPT ); Mon, 4 Feb 2008 14:13:27 -0500 Received: from rtr.ca ([76.10.145.34]:4567 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753857AbYBDTN0 (ORCPT ); Mon, 4 Feb 2008 14:13:26 -0500 Message-ID: <47A763D4.5090606@rtr.ca> Date: Mon, 04 Feb 2008 14:13:24 -0500 From: Mark Lord Organization: Real-Time Remedies Inc. User-Agent: Thunderbird 2.0.0.9 (X11/20071031) MIME-Version: 1.0 To: Gene Heskett Cc: Ingo Molnar , Jeff Garzik , Chris Rankin , linux-ide@vger.kernel.org, LKML Subject: Re: [BUG] 2.6.24 refuses to boot - ATA problem? References: <745427.71265.qm@web52907.mail.re2.yahoo.com> <200802030011.34086.gene.heskett@gmail.com> <20080203055807.GA25545@elte.hu> <200802030125.24663.gene.heskett@gmail.com> In-Reply-To: <200802030125.24663.gene.heskett@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2069 Lines: 48 Gene Heskett wrote: > On Sunday 03 February 2008, Ingo Molnar wrote: >> * Gene Heskett wrote: >>> I believe its the same, but lemme paste it for sure, yes: >>> [ 26.339926] ENABLING IO-APIC IRQs >>> [ 26.340119] ..TIMER: vector=0x31 apic1=0 pin1=0 apic2=-1 pin2=-1 >>> [ 26.350129] ..MP-BIOS bug: 8254 timer not connected to IO-APIC >>> [ 26.350182] ...trying to set up timer (IRQ0) through the 8259A ... >>> failed. [ 26.350185] ...trying to set up timer as Virtual Wire IRQ... >>> failed. [ 26.360186] ...trying to set up timer as ExtINT IRQ... works. >>> >>> The third line is the only line that makes it to the screen during the >>> boot trace. >>> >>> Now, what does this tell us? >> the question would be: >> >> - if you remove the acpi_use_timer_override boot flag >> - and if you boot a kernel with this hack applied >> >> => do those weird PATA failures come back? >> >> If the failues do _not_ come back then the problem is somehow >> affected/worked-around by the IO-APIC code that generates the above 4 >> lines. If the failures are still the same then the above 4 lines are >> really just an uninteresting side-effect of the acpi_use_timer_override >> flag - and the real side-effects (that fixes PATA on your box) are to be >> found elsewhere. >> >> Sadly, the latter variant is the expected answer. >> >> Ingo > > And at this point, I can't tell. This reboot was from a cold start, without > the argument, and cold by long enough to make the rounds about the house and > pick up a beer, but not take my evening pillbox. A minute cold, maybe 2 max. > The log is clean since except for a kudzu nag of some sort: .. Just to muddy your observations: it is quite possible that a cold (power-off) reboot may be required to properly observe what happens here. Cheers -- 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/