From mboxrd@z Thu Jan 1 00:00:00 1970 From: Karol Kozimor Subject: Re: Re: PROBLEM: ACPI freezes 2.6.1 on boot Date: Thu, 22 Jan 2004 15:05:46 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20040122140546.GD5194@hell.org.pl> References: <7F740D512C7C1046AB53446D3720017361885C@scsmsx402.sc.intel.com> <20040122120854.GB3534@hell.org.pl> <16399.55109.244040.516731@alkaid.it.uu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Return-path: Content-Disposition: inline In-Reply-To: <16399.55109.244040.516731-mKzD8scclNAGILsNoAPbNA@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Mikael Pettersson Cc: "Georg C. F. Greve" , "Nakajima, Jun" , Martin Loschwitz , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Brown, Len" , acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Thus wrote Mikael Pettersson: > > diff -Bru linux-2.6.0-test8/arch/i386/kernel/apic.c patched/arch/i386/kernel/apic.c > > --- linux-2.6.0-test8/arch/i386/kernel/apic.c 2003-10-18 05:43:36.000000000 +0800 > > +++ patched/arch/i386/kernel/apic.c 2003-10-30 23:17:50.000000000 +0800 > > @@ -836,8 +836,8 @@ > > { > > unsigned int lvtt1_value, tmp_value; > > > > - lvtt1_value = SET_APIC_TIMER_BASE(APIC_TIMER_BASE_DIV) | > > - APIC_LVT_TIMER_PERIODIC | LOCAL_TIMER_VECTOR; > > + lvtt1_value = APIC_LVT_TIMER_PERIODIC | LOCAL_TIMER_VECTOR; > > + > > apic_write_around(APIC_LVTT, lvtt1_value); > > What is the purpose of this change? > I don't remember seeing this before on LKML. (I don't have time to read bugzilla.) I don't really know. I'm not the author of the patch, I just found it on my disk and I remember it allowed me to boot with LAPIC compiled in, as the system would otherwise hang during _STA and _INI execution. I don't even know if the patch is still correct. Best regards, -- Karol 'sziwan' Kozimor sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn