From: Bruno Wolff III <bruno@wolff.to>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>,
Josh Boyer <jwboyer@redhat.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Scheduler regression from caffcdd8d27ba78730d5540396ce72ad022aff2c
Date: Fri, 18 Jul 2014 00:34:49 -0500 [thread overview]
Message-ID: <20140718053449.GA2039@wolff.to> (raw)
In-Reply-To: <20140717123502.GL19379@twins.programming.kicks-ass.net>
On Thu, Jul 17, 2014 at 14:35:02 +0200,
Peter Zijlstra <peterz@infradead.org> wrote:
>
>In any case, can someone who can trigger this run with the below; its
>'clean' for me, but supposedly you'll trigger a FAIL somewhere.
I got a couple of fail messages.
dmesg output is available in the bug as the following attachment:
https://bugzilla.kernel.org/attachment.cgi?id=143361
The part of interest is probably:
[ 0.253354] build_sched_groups: got group f255b020 with cpus:
[ 0.253436] build_sched_groups: got group f255b120 with cpus:
[ 0.253519] build_sched_groups: got group f255b1a0 with cpus:
[ 0.253600] build_sched_groups: got group f255b2a0 with cpus:
[ 0.253681] build_sched_groups: got group f255b2e0 with cpus:
[ 0.253762] build_sched_groups: got group f255b320 with cpus:
[ 0.253843] build_sched_groups: got group f255b360 with cpus:
[ 0.254004] build_sched_groups: got group f255b0e0 with cpus:
[ 0.254087] build_sched_groups: got group f255b160 with cpus:
[ 0.254170] build_sched_groups: got group f255b1e0 with cpus:
[ 0.254252] build_sched_groups: FAIL
[ 0.254331] build_sched_groups: got group f255b1a0 with cpus: 0
[ 0.255004] build_sched_groups: FAIL
[ 0.255084] build_sched_groups: got group f255b1e0 with cpus: 1
I also booted with early printk=keepsched_debug as requested by
Dietmar.
next prev parent reply other threads:[~2014-07-18 5:36 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-16 14:55 Scheduler regression from caffcdd8d27ba78730d5540396ce72ad022aff2c Bruno Wolff III
2014-07-16 15:17 ` Josh Boyer
2014-07-16 19:17 ` Dietmar Eggemann
2014-07-16 19:54 ` Bruno Wolff III
2014-07-16 23:18 ` Dietmar Eggemann
2014-07-17 3:09 ` Bruno Wolff III
2014-07-17 8:57 ` Dietmar Eggemann
2014-07-17 9:04 ` Peter Zijlstra
2014-07-17 11:23 ` Dietmar Eggemann
2014-07-17 12:35 ` Peter Zijlstra
2014-07-18 5:34 ` Bruno Wolff III [this message]
2014-07-18 9:28 ` Dietmar Eggemann
2014-07-18 12:09 ` Bruno Wolff III
2014-07-18 10:16 ` Peter Zijlstra
2014-07-18 13:01 ` Bruno Wolff III
2014-07-18 14:16 ` Dietmar Eggemann
2014-07-18 14:16 ` Peter Zijlstra
2014-07-18 14:50 ` Peter Zijlstra
2014-07-18 16:16 ` Peter Zijlstra
2014-07-21 16:35 ` Bruno Wolff III
2014-07-21 16:52 ` Peter Zijlstra
2014-07-22 9:47 ` Peter Zijlstra
2014-07-22 10:38 ` Peter Zijlstra
2014-07-22 12:10 ` Bruno Wolff III
2014-07-22 13:03 ` Peter Zijlstra
2014-07-22 13:26 ` Peter Zijlstra
2014-07-22 13:35 ` Peter Zijlstra
2014-07-22 14:09 ` Bruno Wolff III
2014-07-22 14:18 ` Peter Zijlstra
2014-07-23 1:37 ` Bruno Wolff III
2014-07-23 6:51 ` Peter Zijlstra
2014-07-22 17:05 ` H. Peter Anvin
2014-07-23 15:11 ` Peter Zijlstra
2014-07-23 15:12 ` H. Peter Anvin
2014-07-24 1:45 ` Bruno Wolff III
2014-07-23 15:39 ` [tip:x86/urgent] x86, cpu: Fix cache topology for early P4-SMT tip-bot for Peter Zijlstra
2014-07-22 12:12 ` Scheduler regression from caffcdd8d27ba78730d5540396ce72ad022aff2c Dietmar Eggemann
2014-07-22 12:57 ` Bruno Wolff III
2014-07-28 8:28 ` [tip:sched/core] sched: Robustify topology setup tip-bot for Peter Zijlstra
2014-07-17 16:36 ` Scheduler regression from caffcdd8d27ba78730d5540396ce72ad022aff2c Bruno Wolff III
2014-07-17 18:43 ` Dietmar Eggemann
2014-07-17 18:54 ` Bruno Wolff III
2014-07-17 4:21 ` Bruno Wolff III
2014-07-17 4:28 ` Bruno Wolff III
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