From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.19-rc2-mm1
Date: 19 Oct 2006 14:32:11 +0200 [thread overview]
Message-ID: <p73r6x4bi5w.fsf@verdi.suse.de> (raw)
In-Reply-To: <20061018162507.efa7b91a.akpm@osdl.org>
Andrew Morton <akpm@osdl.org> writes:
> On Wed, 18 Oct 2006 16:01:05 -0700
> Badari Pulavarty <pbadari@us.ibm.com> wrote:
>
> > > Is the NMI watchdog ticking over?
> >
> > I think so.
> >
> > # dmesg | grep NMI
> > ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
> > ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
> > testing NMI watchdog ... OK.
>
>
> What does it say in /proc/interrupts?
>
> The x86_64 nmi watchdog handling looks rather complex.
>
> <checks a couple of x86-64 machines>
>
> The /proc/interrutps NMI count seems to be going up by about
> one-per-minute. How odd. Maybe you just need to wait longer.
That's consistent with a idle machine. The perfctr used by the nmi
watchdog only increases when the CPU isn't halted and when it's idle
it's not doing very much. When something actually loops it should
increase much faster though.
-Andi
next prev parent reply other threads:[~2006-10-19 12:32 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-17 6:06 2.6.19-rc2-mm1 Andrew Morton
[not found] ` <a44ae5cd0610170003r77595cc0p8ed66badde952859@mail.gmail.com>
2006-10-17 7:36 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-17 8:41 ` 2.6.19-rc2-mm1 Brice Goglin
2006-10-17 12:54 ` [PATCH] backlight users need to select BACKLIGHT_CLASS_DEVICE Andy Whitcroft
2006-10-17 13:17 ` 2.6.19-rc2-mm1 Rafael J. Wysocki
2006-10-17 14:23 ` 2.6.19-rc2-mm1 Andy Whitcroft
2006-10-17 16:07 ` 2.6.19-rc2-mm1 Cedric Le Goater
2006-10-17 18:22 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-18 22:44 ` 2.6.19-rc2-mm1 Dylan Taft
2006-10-17 15:45 ` 2.6.19-rc2-mm1 Cedric Le Goater
2006-10-17 18:29 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-20 13:40 ` 2.6.19-rc2-mm1 Carsten Otte
2006-10-17 19:37 ` 2.6.19-rc2-mm1 Jeremy Fitzhardinge
2006-10-17 20:22 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-18 10:05 ` 2.6.19-rc2-mm1 Michael Ellerman
2006-10-18 19:05 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-17 19:53 ` [2.6.19-rc2-mm1] error: too few arguments to function ‘crypto_alloc_hash’ Andrew James Wade
2006-10-17 21:19 ` Edward Shishkin
2006-10-18 16:53 ` Andrew James Wade
2006-10-18 15:33 ` 2.6.19-rc2-mm1 Badari Pulavarty
2006-10-18 15:48 ` 2.6.19-rc2-mm1 Nick Piggin
2006-10-18 17:15 ` 2.6.19-rc2-mm1 Badari Pulavarty
2006-10-18 17:26 ` 2.6.19-rc2-mm1 Chris Mason
2006-10-18 17:32 ` 2.6.19-rc2-mm1 Nick Piggin
2006-10-18 17:41 ` 2.6.19-rc2-mm1 Badari Pulavarty
2006-10-18 17:56 ` 2.6.19-rc2-mm1 Nick Piggin
2006-10-18 17:58 ` 2.6.19-rc2-mm1 Badari Pulavarty
2006-10-18 18:14 ` 2.6.19-rc2-mm1 Nick Piggin
2006-10-18 18:22 ` 2.6.19-rc2-mm1 Badari Pulavarty
2006-10-18 18:31 ` 2.6.19-rc2-mm1 Nick Piggin
2006-10-18 23:59 ` 2.6.19-rc2-mm1 Badari Pulavarty
2006-10-18 22:44 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-18 23:01 ` 2.6.19-rc2-mm1 Badari Pulavarty
2006-10-18 23:25 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-19 0:07 ` 2.6.19-rc2-mm1 Badari Pulavarty
2006-10-19 0:21 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-19 15:28 ` 2.6.19-rc2-mm1 Badari Pulavarty
2006-10-19 12:32 ` Andi Kleen [this message]
2006-10-19 16:18 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-19 16:57 ` 2.6.19-rc2-mm1 Andi Kleen
2006-10-18 18:27 ` 2.6.19-rc2-mm1 Gabriel C
2006-10-18 19:18 ` 2.6.19-rc2-mm1 Rafael J. Wysocki
2006-10-18 19:33 ` 2.6.19-rc2-mm1 Cedric Le Goater
2006-10-18 19:42 ` 2.6.19-rc2-mm1 Nick Piggin
2006-10-18 20:20 ` 2.6.19-rc2-mm1 Rafael J. Wysocki
2006-10-18 20:26 ` 2.6.19-rc2-mm1 Cedric Le Goater
2006-10-18 22:23 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-19 16:05 ` 2.6.19-rc2-mm1 Carsten Otte
2006-10-19 18:10 ` 2.6.19-rc2-mm1 Nick Piggin
2006-10-20 7:37 ` 2.6.19-rc2-mm1 Carsten Otte
2006-10-18 20:22 ` 2.6.19-rc2-mm1 Gabriel C
2006-10-18 18:42 ` 2.6.19-rc2-mm1 Gabriel C
2006-10-18 21:44 ` 2.6.19-rc2-mm1 Jiri Kosina
2006-10-18 22:29 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-18 22:41 ` 2.6.19-rc2-mm1 Jiri Kosina
2006-10-18 22:46 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-18 22:57 ` 2.6.19-rc2-mm1 Jiri Kosina
2006-10-18 23:04 ` 2.6.19-rc2-mm1 Jiri Kosina
2006-10-18 23:12 ` 2.6.19-rc2-mm1 Andrew Morton
2006-10-19 14:45 ` 2.6.19-rc2-mm1 // errors in verify_redzone_free() Mariusz Kozlowski
2006-10-19 17:03 ` Andrew Morton
2006-10-19 17:17 ` Jean Tourrilhes
2006-10-19 17:25 ` Andrew Morton
2006-10-19 17:47 ` Jean Tourrilhes
2006-10-19 18:31 ` Mariusz Kozlowski
2006-10-19 18:33 ` Jean Tourrilhes
2006-10-19 17:33 ` Mariusz Kozlowski
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