linux-kernel - Re: Scheduler regression from caffcdd8d27ba78730d5540396ce72ad022aff2c

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 17 Jul 2014 13:54:19 -0500
From:	Bruno Wolff III <bruno@...ff.to>
To:	Dietmar Eggemann <dietmar.eggemann@....com>
Cc:	Josh Boyer <jwboyer@...hat.com>,
	"mingo@...hat.com" <mingo@...hat.com>,
	"peterz@...radead.org" <peterz@...radead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Scheduler regression from
 caffcdd8d27ba78730d5540396ce72ad022aff2c

On Thu, Jul 17, 2014 at 20:43:16 +0200,
  Dietmar Eggemann <dietmar.eggemann@....com> wrote:
>
>If you could apply the patch:
>
>https://lkml.org/lkml/2014/7/17/288
>
>and then run it on your machine, that would give us more details, i.e. 
>the information on which sched_group(s) and in which sched domain 
>level (SMT and/or DIE) this issue occurs.
>
>
>Another thing which you could do is to boot with an extra 
>'earlyprintk=keep sched_debug' in your command line options with a 
>build containing the cpumask_clear() in build_sched_groups() and 
>extract the dmesg output of the scheduler-setup code:

I'll see what I can do. I have plans after work today and I don't know 
if I'll be awake enough when I get home to followup tonight or early 
tomorrow. Worst case will be over the weekend.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/