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Message-Id: <1178959563.22481.126.camel@localhost.localdomain>
Date: Sat, 12 May 2007 10:46:03 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: "Rafael J. Wysocki" <rjw@...k.pl>, Ingo Molnar <mingo@...e.hu>,
LKML <linux-kernel@...r.kernel.org>,
John Stultz <johnstul@...ibm.com>, linux-acpi@...r.kernel.org
Subject: Re: [patch 3/3] clockevents: Fix resume logic - updated version
On Fri, 2007-05-11 at 23:56 -0700, Andrew Morton wrote:
> On Fri, 11 May 2007 23:09:15 +0200 "Rafael J. Wysocki" <rjw@...k.pl> wrote:
>
> > > >
> > > > hm, Fedora don't seem to want to give me an RPM which contains acpidump and
> > > > all the yum servers are featuring scrogged checksums. I could build it, I
> > > > guess, but there's a principle involved ;)
> > > >
> > > > http://userweb.kernel.org/~akpm/dsdt is /proc/acpi/dsdt. Is that OK?
> > >
> > > Yes, thanks.
> >
> > Hmm, have you tried to do 'echo shutdown > /sys/power/disk' before the
> > hibernation?
>
> That didn't change the behaviour.
Andrew,
can you try the desperate witchcraft patch below ?
tglx
Index: linux-2.6.21/arch/i386/kernel/apic.c
===================================================================
--- linux-2.6.21.orig/arch/i386/kernel/apic.c
+++ linux-2.6.21/arch/i386/kernel/apic.c
@@ -238,9 +238,13 @@ static void lapic_timer_setup(enum clock
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
- v = apic_read(APIC_LVTT);
- v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR);
- apic_write_around(APIC_LVTT, v);
+
+ if (evt->mode == CLOCK_EVT_MODE_PERIODIC ||
+ evt->mode == CLOCK_EVT_MODE_ONESHOT) {
+ v = apic_read(APIC_LVTT);
+ v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR);
+ apic_write_around(APIC_LVTT, v);
+ }
break;
case CLOCK_EVT_MODE_RESUME:
/* Nothing to do here */
-
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