From: Tony Lindgren <tony@atomide.com>
To: Alexander Nyberg <alexn@dsv.su.se>
Cc: Frank Sorenson <frank@tuxrocks.com>,
linux-kernel@vger.kernel.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Pavel Machek <pavel@suse.cz>,
Arjan van de Ven <arjan@infradead.org>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Andrea Arcangeli <andrea@suse.de>,
George Anzinger <george@mvista.com>,
Thomas Gleixner <tglx@linutronix.de>,
john stultz <johnstul@us.ibm.com>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
Lee Revell <rlrevell@joe-job.com>,
Thomas Renninger <trenn@suse.de>
Subject: Re: [PATCH] Dynamic Tick version 050406-1
Date: Thu, 7 Apr 2005 23:22:01 -0700 [thread overview]
Message-ID: <20050408062200.GA4477@atomide.com> (raw)
In-Reply-To: <1112865986.2344.2.camel@localhost.localdomain>
* Alexander Nyberg <alexn@dsv.su.se> [050407 02:31]:
> > > > Here's an updated dyn-tick patch. Some minor fixes:
> > >
> > > Doesn't look so good here. I get this with 2.6.12-rc2 (plus a few other patches).
> > > Disabling Dynamic Tick makes everything happy again (it boots).
> > >
> > > [4294688.655000] Unable to handle kernel NULL pointer dereference at virtual address 00000000
> >
> > Thanks for trying it out. What kind of hardware do you have? Does it
> > have HPET? It looks like no suitable timer for dyn-tick is found...
> > Maybe the following patch helps?
>
>
> ===== arch/i386/kernel/Makefile 1.67 vs edited =====
> --- 1.67/arch/i386/kernel/Makefile 2005-01-26 06:21:13 +01:00
> +++ edited/arch/i386/kernel/Makefile 2005-04-07 11:21:19 +02:00
> @@ -32,6 +32,7 @@ obj-$(CONFIG_ACPI_SRAT) += srat.o
> obj-$(CONFIG_HPET_TIMER) += time_hpet.o
> obj-$(CONFIG_EFI) += efi.o efi_stub.o
> obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
> +obj-$(CONFIG_NO_IDLE_HZ) += dyn-tick.o
>
> EXTRA_AFLAGS := -traditional
Ah, that explains :) Thanks!
Tony
next prev parent reply other threads:[~2005-04-08 6:22 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-06 8:30 [PATCH] Dynamic Tick version 050406-1 Tony Lindgren
2005-04-06 21:16 ` Frank Sorenson
2005-04-07 8:21 ` Tony Lindgren
2005-04-07 9:26 ` Alexander Nyberg
2005-04-08 6:22 ` Tony Lindgren [this message]
2005-04-07 21:35 ` Frank Sorenson
2005-04-07 22:20 ` Frank Sorenson
2005-04-08 6:25 ` Tony Lindgren
2005-04-08 7:50 ` [PATCH] Updated: Dynamic Tick version 050408-1 Tony Lindgren
2005-04-08 8:49 ` Frank Sorenson
2005-04-08 9:17 ` Tony Lindgren
2005-04-08 21:42 ` Frank Sorenson
2005-04-09 8:09 ` Tony Lindgren
2005-04-08 11:33 ` Thomas Renninger
2005-04-08 11:55 ` Tony Lindgren
2005-04-08 12:58 ` Thomas Renninger
2005-04-09 8:22 ` Tony Lindgren
2005-04-19 14:56 ` [PATCH] Updated: Dynamic Tick version 050408-1 - C-state measures Thomas Renninger
2005-04-19 15:27 ` Dominik Brodowski
2005-04-19 21:03 ` Thomas Renninger
2005-04-20 11:44 ` Dominik Brodowski
2005-04-20 11:57 ` Pavel Machek
2005-04-20 12:01 ` Dominik Brodowski
2005-04-20 12:08 ` Pavel Machek
2005-04-20 12:13 ` Dominik Brodowski
2005-04-20 12:24 ` Thomas Renninger
2005-04-19 21:09 ` Pavel Machek
2005-04-20 20:01 ` Tony Lindgren
2005-04-21 7:54 ` Thomas Renninger
2005-04-08 10:28 ` [PATCH] Updated: Dynamic Tick version 050408-1 Pavel Machek
2005-04-08 10:54 ` Tony Lindgren
2005-04-08 12:24 ` Pavel Machek
2005-04-09 9:56 ` Pavel Machek
2005-04-14 19:41 ` Tony Lindgren
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