From: Thomas Gleixner <tglx@linutronix.de>
To: Stefan Prechtel <stefan.prechtel@googlemail.com>
Cc: Andi Kleen <ak@suse.de>,
Grzegorz Chwesewicz <grzegorz.chwesewicz@chilan.com>,
linux-kernel@vger.kernel.org, mingo@elte.hu,
Len Brown <lenb@kernel.org>, john stultz <johnstul@us.ibm.com>
Subject: Re: BUG lapic: Can't boot on battery (2.6.21-rc{1,2,3,4})
Date: Wed, 21 Mar 2007 14:15:29 +0100 [thread overview]
Message-ID: <1174482929.10840.75.camel@localhost.localdomain> (raw)
In-Reply-To: <b93822910703210604w6bcc2e1dt4cac7f9f9295edf8@mail.gmail.com>
On Wed, 2007-03-21 at 14:04 +0100, Stefan Prechtel wrote:
> I uploaded the output of dmesg (kernel 2.6.21-rc4-git5) (battery / ac)
> and dmidecode
> I can boot on battery with nolapic_timer and the second core is online, too.
> /proc/acpi/processor/C000/ shows the same as before but
> /proc/interrupts has changed:
>
> (battery)
> CPU0 CPU1
> 0: 47131 0 local-APIC-edge-fasteoi timer
> LOC: 0 46978
>
> (ac)
> CPU0 CPU1
> 0: 59137 0 local-APIC-edge-fasteoi timer
> LOC: 0 58984
That's correct. We keep the PIT alive and trigger the lapic timer
interrupt via an IPI.
tglx
next prev parent reply other threads:[~2007-03-21 13:08 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-19 17:10 BUG lapic: Can't boot on battery (2.6.21-rc{1,2,3,4}) Stefan Prechtel
2007-03-19 17:36 ` Thomas Gleixner
2007-03-19 17:48 ` Thomas Gleixner
2007-03-19 18:53 ` Stefan Prechtel
2007-03-19 19:17 ` Stefan Prechtel
2007-03-19 19:27 ` Thomas Gleixner
2007-03-19 19:49 ` Stefan Prechtel
2007-03-19 20:04 ` Thomas Gleixner
2007-03-19 20:35 ` Stefan Prechtel
2007-03-19 20:56 ` Thomas Gleixner
2007-03-19 21:51 ` Stefan Prechtel
2007-03-20 1:15 ` Thomas Gleixner
2007-03-20 8:23 ` Stefan Prechtel
2007-03-20 16:47 ` Grzegorz Chwesewicz
2007-03-21 9:24 ` Thomas Gleixner
2007-03-21 9:46 ` Andi Kleen
2007-03-21 10:10 ` Thomas Gleixner
2007-03-21 10:37 ` Andi Kleen
2007-03-21 11:14 ` Thomas Gleixner
2007-03-21 12:15 ` Thomas Gleixner
2007-03-21 12:33 ` Thomas Gleixner
2007-03-21 12:42 ` Andi Kleen
2007-03-21 13:04 ` Stefan Prechtel
2007-03-21 13:15 ` Thomas Gleixner [this message]
2007-03-21 14:14 ` [PATCH] i386: disable local apic timer via command line or dmi quirk Thomas Gleixner
2007-03-21 14:09 ` Ingo Molnar
2007-03-21 15:14 ` Grzegorz Chwesewicz
2007-03-22 20:42 ` Stefan Prechtel
2007-03-28 3:28 ` Len Brown
2007-03-28 3:38 ` Len Brown
2007-03-28 9:13 ` Thomas Gleixner
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