From: Ingo Molnar <mingo@elte.hu>
To: William Weston <weston@sysex.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.51-08
Date: Fri, 8 Jul 2005 11:45:31 +0200 [thread overview]
Message-ID: <20050708094531.GA5515@elte.hu> (raw)
In-Reply-To: <20050708092928.GA4135@elte.hu>
* Ingo Molnar <mingo@elte.hu> wrote:
> > > -51-06 and -51-08 are looking stable on the UP Athlon box with the
> > > following patch which causes edge triggered hardirqs to be masked when
> > > pending _and/or_ disabled (instead of both pending _and_ disabled) and
> > > backs out a change from -50-44 that prevents pending edge triggered
> > > irqs from being unmasked:
> >
> > ok, you are right, the edge case was mishandled - but i think it was
> > already mishandled upstream, we just never (or rarely) triggered it.
> > I've reworked this area based on your patch, could you check -51-15,
> > does it work for you?
>
> if it doesnt work, could you disable CONFIG_X86_IOAPIC_FAST?
or rather, please try -51-16. One of my testsystems produced weird
interrupt storms, which were caused by the IOAPIC_POSTFLUSH
optimization. In -51-16 i've turned that optimization off, globally.
Maybe this explains some of the other lockups reported.
Ingo
next prev parent reply other threads:[~2005-07-08 9:46 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-28 17:27 Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24 Karsten Wiese
2005-06-28 20:21 ` Ingo Molnar
2005-06-28 20:30 ` Ingo Molnar
2005-06-28 23:51 ` Karsten Wiese
2005-06-29 6:34 ` Ingo Molnar
2005-06-29 7:00 ` Ingo Molnar
2005-06-29 9:15 ` William Weston
2005-06-29 12:56 ` Ingo Molnar
2005-06-30 1:50 ` William Weston
2005-06-29 14:48 ` Karsten Wiese
2005-06-29 19:38 ` Ingo Molnar
2005-06-29 23:36 ` Karsten Wiese
2005-06-30 17:52 ` Karsten Wiese
2005-06-30 19:46 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.50-37 William Weston
2005-06-30 19:52 ` Ingo Molnar
2005-06-30 20:48 ` Ingo Molnar
2005-06-30 22:17 ` Gene Heskett
2005-06-30 22:15 ` Gene Heskett
2005-06-30 20:38 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.50-38 Michal Schmidt
2005-06-30 20:47 ` Ingo Molnar
2005-06-30 20:50 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24 Ingo Molnar
2005-06-30 22:27 ` Karsten Wiese
2005-06-30 22:59 ` William Weston
2005-07-01 1:00 ` William Weston
2005-07-01 0:15 ` Karsten Wiese
2005-07-01 7:18 ` Ingo Molnar
2005-07-01 19:34 ` Chuck Harding
2005-07-02 1:46 ` William Weston
2005-07-02 2:02 ` Lee Revell
2005-07-04 8:53 ` William Weston
2005-07-04 11:16 ` Ingo Molnar
2005-07-13 1:18 ` Lee Revell
2005-07-13 1:28 ` Lee Revell
2005-07-13 6:35 ` Ingo Molnar
2005-07-13 17:20 ` Lee Revell
2005-07-03 14:04 ` Ingo Molnar
2005-07-03 18:12 ` Ingo Molnar
2005-07-05 20:43 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.50-45 William Weston
2005-07-06 10:04 ` Ingo Molnar
2005-07-06 21:12 ` William Weston
2005-07-07 14:56 ` Steven Rostedt
2005-07-07 15:31 ` Ingo Molnar
2005-07-07 15:42 ` Steven Rostedt
2005-07-07 16:10 ` Steven Rostedt
2005-07-07 16:48 ` Ingo Molnar
2005-07-08 7:02 ` Steven Rostedt
2005-07-08 9:54 ` Steven Rostedt
2005-07-08 10:00 ` Ingo Molnar
2005-07-08 20:55 ` Bill Davidsen
2005-07-07 17:51 ` Ingo Molnar
2005-07-07 21:18 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.51-12 Chuck Harding
2005-07-08 5:41 ` Ingo Molnar
2005-07-08 8:00 ` Ingo Molnar
2005-07-08 18:06 ` Chuck Harding
2005-07-07 19:05 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.51-08 William Weston
2005-07-07 19:18 ` Ingo Molnar
2005-07-07 19:46 ` William Weston
2005-07-07 19:52 ` Ingo Molnar
2005-07-08 9:23 ` Ingo Molnar
2005-07-08 9:29 ` Ingo Molnar
2005-07-08 9:45 ` Ingo Molnar [this message]
2005-07-08 20:30 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.51-17 William Weston
2005-07-07 1:26 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24 William Weston
2005-07-07 10:48 ` Ingo Molnar
2005-07-07 18:49 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.51-06 William Weston
2005-07-07 20:02 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.51-12 William Weston
2005-07-08 8:03 ` Ingo Molnar
2005-07-08 20:12 ` William Weston
2005-07-09 21:24 ` Peter Zijlstra
2005-07-10 11:18 ` Peter Zijlstra
2005-07-10 15:10 ` Ingo Molnar
2005-07-10 15:43 ` Peter Zijlstra
2005-07-10 16:12 ` Peter Zijlstra
2005-07-10 18:26 ` Ingo Molnar
2005-07-11 18:49 ` William Weston
2005-07-08 22:33 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.51-17 William Weston
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