From: Steven Rostedt <rostedt@goodmis.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org, Daniel Walker <dwalker@mvista.com>
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01
Date: Wed, 03 Aug 2005 11:57:36 -0400 [thread overview]
Message-ID: <1123084656.1590.128.camel@localhost.localdomain> (raw)
In-Reply-To: <1123082158.1590.123.camel@localhost.localdomain>
[-- Attachment #1: Type: text/plain, Size: 726 bytes --]
On Wed, 2005-08-03 at 11:15 -0400, Steven Rostedt wrote:
> I tested this patch by switching the kjournald to FIFO prio 30 and doing
> a make of the kernel and "find / -name vmlinux", but this took 40
> minutes to cause the deadlock. Attached is a dumb module that creates a
> thread and spins. If you want to test my softlockup detect, this will
> trigger it. The thread that is created is not RT so you can still do
> work. My detector doesn't care if something spins in the kernel as an RT
> task or not, it will flag it regardless.
Here's an updated version of the tarball. I've included another module
called nodeadlock that does a msleep(1) instead of a schedule. This
should _not_ be detected as a lockup.
-- Steve
[-- Attachment #2: deadlock_module.tar --]
[-- Type: application/x-tar, Size: 10240 bytes --]
next prev parent reply other threads:[~2005-08-03 15:58 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-30 16:03 [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01 Ingo Molnar
2005-07-30 20:47 ` Peter Zijlstra
2005-07-30 20:52 ` Ingo Molnar
2005-07-31 4:47 ` Lee Revell
2005-07-31 6:38 ` Ingo Molnar
2005-08-01 4:45 ` Lee Revell
2005-08-01 21:08 ` Ingo Molnar
2005-08-01 21:12 ` Ingo Molnar
2005-08-02 13:56 ` Steven Rostedt
2005-08-02 14:05 ` Lee Revell
2005-08-02 14:20 ` Steven Rostedt
2005-08-02 15:37 ` 2.6.13-rc3 -> sluggish PS2 keyboard (was Re: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01) Lee Revell
2005-08-02 15:44 ` Vojtech Pavlik
2005-08-02 15:46 ` Lee Revell
2005-08-02 15:47 ` Lee Revell
2005-08-02 15:53 ` Steven Rostedt
2005-08-02 15:55 ` Vojtech Pavlik
2005-08-02 15:55 ` Dmitry Torokhov
2005-08-02 15:38 ` [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01 Lee Revell
2005-07-31 8:03 ` Peter Zijlstra
2005-07-31 10:44 ` Ingo Molnar
2005-07-31 15:56 ` [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-05 Gene Heskett
2005-08-01 18:22 ` [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01 Steven Rostedt
2005-08-01 19:49 ` Steven Rostedt
2005-08-01 20:52 ` Ingo Molnar
2005-08-01 21:09 ` Daniel Walker
2005-08-01 21:15 ` Ingo Molnar
2005-08-02 0:43 ` Steven Rostedt
2005-08-01 21:15 ` Steven Rostedt
2005-08-01 21:23 ` Ingo Molnar
2005-08-01 21:20 ` Daniel Walker
2005-08-02 0:53 ` Steven Rostedt
2005-08-02 10:19 ` Ingo Molnar
2005-08-02 19:45 ` Steven Rostedt
2005-08-02 19:56 ` Steven Rostedt
2005-08-02 23:38 ` Daniel Walker
2005-08-03 0:00 ` Steven Rostedt
2005-08-03 1:12 ` George Anzinger
2005-08-03 1:48 ` Keith Owens
2005-08-03 2:12 ` George Anzinger
2005-08-03 2:25 ` Daniel Walker
2005-08-03 2:42 ` Steven Rostedt
2005-08-03 2:58 ` Daniel Walker
2005-08-03 10:30 ` Steven Rostedt
2005-08-03 15:10 ` Daniel Walker
2005-08-03 10:37 ` [Question] arch-independent way to differentiate between user and kernel Steven Rostedt
2005-08-03 10:48 ` Ingo Molnar
2005-08-03 12:18 ` Steven Rostedt
2005-08-03 10:56 ` [Question] arch-independent way to differentiate between user andkernel linux-os (Dick Johnson)
2005-08-03 11:44 ` Steven Rostedt
2005-08-03 12:04 ` Ingo Molnar
2005-08-03 12:30 ` Steven Rostedt
2005-08-03 14:50 ` [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01 Steven Rostedt
2005-08-03 15:15 ` Steven Rostedt
2005-08-03 15:57 ` Steven Rostedt [this message]
2005-08-03 16:44 ` Steven Rostedt
[not found] ` <20050812125844.GA13357@elte.hu>
2005-08-26 4:24 ` Steven Rostedt
2005-08-26 6:08 ` Ingo Molnar
2005-08-26 11:20 ` Steven Rostedt
2005-08-30 10:58 ` Stephen C. Tweedie
2005-08-30 11:14 ` Ingo Molnar
2005-08-30 11:00 ` Stephen C. Tweedie
2005-08-02 3:55 ` Steven Rostedt
2005-08-02 4:07 ` Daniel Walker
2005-08-02 14:53 ` Steven Rostedt
2005-08-04 12:20 ` Andrzej Nowak
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