From: "K.R. Foley" <kr@cybsft.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org,
"Eugeny S. Mints" <emints@ru.mvista.com>,
Daniel Walker <dwalker@mvista.com>
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00
Date: Fri, 17 Jun 2005 09:12:25 -0500 [thread overview]
Message-ID: <42B2DA49.30806@cybsft.com> (raw)
In-Reply-To: <20050617111822.GA28236@elte.hu>
Ingo Molnar wrote:
> * Ingo Molnar <mingo@elte.hu> wrote:
>
>
>>>There doesn't seem to be any actual lockups, just messages. I will try
>>>disabling the above when I get home this evening. Can't get to the
>>>system right now.
>>
>>i tweaked the softlockup detector in the last patch a bit (to fix
>>false positives under very high loads), might have broken it on SMP.
>
>
> yeah - found a bug that could explain the symptoms on your system.
> Called softlockup_tick() from the global timer interrupt, instead of the
> per-CPU timer interrupt. So on SMP the other CPUs would not see any
> softlockup ticks at all, and would incorrectly report soft lockups.
> This bug is fixed in the -48-36 patch i just uploaded.
>
> Ingo
>
Yes I noticed the softlockup_tick() in some stack traces that I
generated with -48-35 last night. Just downloaded and starting to
compile -48-36. Will report back the results. Also will turn of the
CONFIG_DEBUG_RT_LOCKING_MODE mentioned in your previous mail.
thanks.
--
kr
next prev parent reply other threads:[~2005-06-17 14:12 UTC|newest]
Thread overview: 139+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-08 11:28 [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00 Ingo Molnar
2005-06-08 14:18 ` Michal Schmidt
2005-06-08 14:40 ` Keith Owens
2005-06-08 14:41 ` Paulo Marques
2005-06-08 15:04 ` Michal Schmidt
2005-06-08 15:23 ` Keith Owens
2005-06-08 15:56 ` Paulo Marques
2005-06-08 14:32 ` Michal Schmidt
2005-06-08 15:48 ` K.R. Foley
2005-06-08 16:08 ` K.R. Foley
2005-06-08 16:26 ` K.R. Foley
2005-06-08 17:26 ` K.R. Foley
2005-06-08 19:18 ` Ingo Molnar
2005-06-09 11:39 ` Ingo Molnar
2005-06-10 13:34 ` K.R. Foley
2005-06-09 8:47 ` Serge Noiraud
2005-06-09 11:55 ` Ingo Molnar
2005-06-09 15:12 ` Serge Noiraud
2005-06-09 16:34 ` Daniel Walker
2005-06-13 8:53 ` Serge Noiraud
2005-06-13 9:07 ` Ingo Molnar
2005-06-08 17:51 ` Michal Schmidt
2005-06-09 11:45 ` Ingo Molnar
2005-06-09 12:09 ` Michal Schmidt
2005-06-09 12:13 ` Ingo Molnar
2005-06-09 12:48 ` Michal Schmidt
2005-06-10 8:56 ` Esben Nielsen
2005-06-08 19:58 ` Daniel Walker
2005-06-09 21:24 ` Michal Schmidt
2005-06-09 21:34 ` Michal Schmidt
2005-06-11 7:32 ` Ingo Molnar
2005-06-11 8:10 ` Ingo Molnar
2005-06-11 16:35 ` Peter Zijlstra
2005-06-11 18:48 ` Ingo Molnar
2005-06-11 21:14 ` Peter Zijlstra
2005-06-12 1:40 ` Gene Heskett
2005-06-12 6:49 ` Ingo Molnar
2005-06-12 9:02 ` Gene Heskett
2005-06-12 10:35 ` Ingo Molnar
2005-06-12 13:40 ` Gene Heskett
2005-06-12 13:49 ` Ingo Molnar
2005-06-12 14:23 ` Gene Heskett
2005-06-13 2:11 ` Gene Heskett
2005-06-13 6:09 ` Ingo Molnar
2005-06-13 8:37 ` Gene Heskett
2005-06-14 18:24 ` K.R. Foley
2005-06-14 18:54 ` Ingo Molnar
2005-06-14 22:45 ` Daniel Walker
2005-06-15 6:12 ` Ingo Molnar
2005-06-15 9:13 ` Esben Nielsen
2005-06-14 20:37 ` Paul E. McKenney
2005-06-16 3:51 ` K.R. Foley
2005-06-16 7:29 ` Ingo Molnar
2005-06-16 11:22 ` K.R. Foley
2005-06-16 17:32 ` Ingo Molnar
2005-06-16 17:59 ` K.R. Foley
2005-06-16 20:37 ` K.R. Foley
2005-06-17 11:08 ` Ingo Molnar
2005-06-16 20:43 ` Ingo Molnar
2005-06-17 2:06 ` Gene Heskett
2005-06-17 4:53 ` Gene Heskett
2005-06-17 11:18 ` Ingo Molnar
2005-06-17 14:12 ` K.R. Foley [this message]
2005-06-17 15:33 ` K.R. Foley
2005-06-17 19:28 ` William Weston
2005-06-17 21:30 ` William Weston
2005-06-18 12:28 ` Ingo Molnar
2005-06-21 1:18 ` William Weston
2005-06-23 2:05 ` William Weston
2005-06-23 7:56 ` Ingo Molnar
2005-06-23 13:45 ` Gene Heskett
2005-06-21 13:10 ` Ingo Molnar
2005-06-21 19:08 ` William Weston
2005-06-21 20:17 ` Benjamin LaHaise
2005-06-21 20:37 ` William Weston
2005-06-21 20:48 ` Benjamin LaHaise
2005-06-22 2:42 ` Gene Heskett
2005-06-22 7:40 ` Ingo Molnar
2005-06-22 13:27 ` Gene Heskett
2005-06-22 13:51 ` Gene Heskett
2005-06-22 14:08 ` Gene Heskett
2005-06-25 4:41 ` Ingo Molnar
2005-06-25 4:47 ` Ingo Molnar
2005-06-25 5:39 ` Gene Heskett
2005-06-25 7:26 ` Gene Heskett
2005-06-25 9:12 ` Ingo Molnar
2005-06-25 13:19 ` Gene Heskett
2005-06-25 14:39 ` Gene Heskett
2005-06-27 19:01 ` Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24 Chuck Harding
2005-06-27 19:42 ` Chuck Harding
2005-06-27 21:08 ` Gene Heskett
2005-06-27 20:09 ` Daniel Walker
2005-06-27 20:28 ` Chuck Harding
2005-06-28 0:50 ` Daniel Walker
2005-06-28 7:53 ` Steven Rostedt
2005-06-28 8:18 ` Ingo Molnar
2005-06-28 8:34 ` Steven Rostedt
2005-06-28 9:12 ` Ingo Molnar
2005-06-28 15:26 ` Michal Schmidt
2005-06-28 15:31 ` Ingo Molnar
2005-06-28 18:50 ` Chuck Harding
2005-06-28 22:16 ` Chuck Harding
2005-06-29 0:32 ` Chuck Harding
2005-06-28 15:54 ` Daniel Walker
2005-06-21 13:12 ` [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00 Ingo Molnar
[not found] ` <Pine.LNX.4.58.0506211228210.16701@echo.lysdexia.org>
2005-06-22 8:03 ` Ingo Molnar
2005-06-22 8:24 ` Ingo Molnar
2005-06-22 10:08 ` Ingo Molnar
2005-06-22 21:53 ` William Weston
2005-06-22 22:00 ` Ingo Molnar
2005-06-22 23:06 ` William Weston
2005-06-23 0:10 ` Ingo Molnar
2005-06-23 22:11 ` William Weston
2005-06-24 1:46 ` William Weston
2005-06-24 7:06 ` Ingo Molnar
2005-06-24 22:31 ` William Weston
2005-06-25 4:14 ` Ingo Molnar
2005-06-27 4:21 ` William Weston
2005-06-27 8:15 ` Ingo Molnar
2005-06-28 3:32 ` William Weston
2005-06-28 8:10 ` Ingo Molnar
2005-06-28 11:15 ` Ingo Molnar
[not found] ` <Pine.LNX.4.58.0506281745040.10406@echo.lysdexia.org>
2005-06-29 12:54 ` Ingo Molnar
2005-06-30 0:29 ` William Weston
2005-06-27 5:43 ` Gene Heskett
2005-06-27 8:17 ` Ingo Molnar
2005-06-27 17:29 ` Gene Heskett
2005-06-27 19:54 ` Ingo Molnar
2005-06-27 21:17 ` Gene Heskett
2005-06-28 8:28 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2005-06-08 14:02 kus Kusche Klaus
2005-06-08 14:14 ` Thomas Gleixner
2005-06-08 15:49 ` Daniel Walker
2005-06-08 15:50 ` Ingo Molnar
2005-06-08 16:23 ` Thomas Gleixner
2005-06-08 17:29 ` Daniel Walker
2005-06-08 19:24 ` Ingo Molnar
2005-06-12 9:29 Zoltan Boszormenyi
2005-06-12 10:39 ` Ingo Molnar
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