linux-kernel - Re: CONFIG_NO_HZ: missed ticks, stall (keyb IRQ required) [2.6.18-rc4-mm1]

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Message-ID: <20061102203430.GA27729@rhlx01.hs-esslingen.de>
Date:	Thu, 2 Nov 2006 21:34:30 +0100
From:	Andreas Mohr <andi@...x01.fht-esslingen.de>
To:	Andreas Mohr <andi@...x01.fht-esslingen.de>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: CONFIG_NO_HZ: missed ticks, stall (keyb IRQ required) [2.6.18-rc4-mm1]

Hi,

On Thu, Nov 02, 2006 at 08:28:12PM +0100, Andreas Mohr wrote:
> Hi,
> 
> On Thu, Nov 02, 2006 at 06:22:08PM +0100, Thomas Gleixner wrote:
> > I uploaded a new queue with more fixups.
> 
> Still no go, stalled after the
> ACPI: (supports S0 S1 S3 S4 S5)
> line this time (probably statistical fluke though).
> dmesg.log.gz attached.

This time with apic=debug (attached), and now we have messages such as:

lapic timer verify: delta 10754906 pmtimer 11935676 (2557644) lapic 1180770(0 1180770 1180807) on cpu 0

which means that the timer *is* unstable.

I'm starting to wonder what I could debug here...

Andreas Mohr

Download attachment "dmesg.log.gz" of type "application/x-gzip" (4607 bytes)