From: Peter Zijlstra <peterz@infradead.org>
To: Miklos Vajna <vmiklos@frugalware.org>
Cc: Mike Galbraith <efault@gmx.de>,
shenghui <crosslonelyover@gmail.com>,
kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org,
mingo@elte.hu, Greg KH <greg@kroah.com>
Subject: Re: [PATCH] avoid race condition in pick_next_task_fair in
Date: Wed, 22 Dec 2010 15:25:30 +0000 [thread overview]
Message-ID: <1293031530.2170.150.camel@laptop> (raw)
In-Reply-To: <20101222151434.GW10557@genesis.frugalware.org>
On Wed, 2010-12-22 at 16:14 +0100, Miklos Vajna wrote:
>
> qemu -enable-kvm -kernel kernel-build/arch/x86/boot/bzImage -append
> "root=/dev/sda1 debug sched_debug ignore_loglevel sysrq_always_enabled
> console=ttyS0 init=/bin/systemd" -hda systemd.img -serial stdio -m 1G
> -vnc :0
>
> ^ Only init=/bin/systemd added, and this results in a panic in most
> cases. I'm attaching the stdout of qemu, showing the fail in
> put_prev_task_fair.
OK, that does seem to work, maybe it really wants the vnc thing, dunno.
Anyway, it looks like I need to go build a kernel with kvm in for that
machine ;-) Thanks for the effort so far.
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Miklos Vajna <vmiklos@frugalware.org>
Cc: Mike Galbraith <efault@gmx.de>,
shenghui <crosslonelyover@gmail.com>,
kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org,
mingo@elte.hu, Greg KH <greg@kroah.com>
Subject: Re: [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c
Date: Wed, 22 Dec 2010 16:25:30 +0100 [thread overview]
Message-ID: <1293031530.2170.150.camel@laptop> (raw)
In-Reply-To: <20101222151434.GW10557@genesis.frugalware.org>
On Wed, 2010-12-22 at 16:14 +0100, Miklos Vajna wrote:
>
> qemu -enable-kvm -kernel kernel-build/arch/x86/boot/bzImage -append
> "root=/dev/sda1 debug sched_debug ignore_loglevel sysrq_always_enabled
> console=ttyS0 init=/bin/systemd" -hda systemd.img -serial stdio -m 1G
> -vnc :0
>
> ^ Only init=/bin/systemd added, and this results in a panic in most
> cases. I'm attaching the stdout of qemu, showing the fail in
> put_prev_task_fair.
OK, that does seem to work, maybe it really wants the vnc thing, dunno.
Anyway, it looks like I need to go build a kernel with kvm in for that
machine ;-) Thanks for the effort so far.
next prev parent reply other threads:[~2010-12-22 15:25 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-29 7:10 [PATCH] avoid race condition in pick_next_task_fair in shenghui
2010-06-29 7:10 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c shenghui
2010-06-29 10:43 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-06-29 10:43 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-06-29 11:24 ` [PATCH] avoid race condition in pick_next_task_fair in shenghui
2010-06-29 11:24 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c shenghui
2010-06-29 11:35 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-06-29 11:35 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-06-29 12:44 ` [PATCH] avoid race condition in pick_next_task_fair in shenghui
2010-06-29 12:44 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c shenghui
2010-12-19 2:03 ` [PATCH] avoid race condition in pick_next_task_fair in Miklos Vajna
2010-12-19 2:03 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Miklos Vajna
2010-12-22 0:22 ` [PATCH] avoid race condition in pick_next_task_fair in Miklos Vajna
2010-12-22 0:22 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Miklos Vajna
2010-12-22 8:29 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-22 8:29 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-22 8:41 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-22 8:41 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-22 8:41 ` [PATCH] avoid race condition in pick_next_task_fair in Mike Galbraith
2010-12-22 8:41 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Mike Galbraith
2010-12-22 9:07 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-22 9:07 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-22 13:31 ` [PATCH] avoid race condition in pick_next_task_fair in Miklos Vajna
2010-12-22 13:31 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Miklos Vajna
2010-12-22 14:00 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-22 14:00 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-22 14:11 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-22 14:11 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-22 15:14 ` [PATCH] avoid race condition in pick_next_task_fair in Miklos Vajna
2010-12-22 15:14 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Miklos Vajna
2010-12-22 15:25 ` Peter Zijlstra [this message]
2010-12-22 15:25 ` Peter Zijlstra
2010-12-22 17:08 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-22 17:08 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-22 17:16 ` [PATCH] avoid race condition in pick_next_task_fair in Ingo Molnar
2010-12-22 17:16 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Ingo Molnar
2010-12-22 17:25 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-22 17:25 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-22 20:36 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-22 20:36 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-23 2:08 ` Yong Zhang
2010-12-23 2:08 ` Yong Zhang
2010-12-23 12:12 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-23 12:12 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-23 12:33 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-23 12:33 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
2010-12-23 18:24 ` [PATCH] avoid race condition in pick_next_task_fair in Peter Zijlstra
2010-12-23 18:24 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Peter Zijlstra
[not found] ` <1293132304.6798.6.camel@marge.simson.net>
[not found] ` <1293132862.25981.22.camel@laptop>
[not found] ` <1293187425.7138.2.camel@marge.simson.net>
[not found] ` <1293188091.25981.200.camel@laptop>
[not found] ` <1293192999.18035.4.camel@marge.simson.net>
2010-12-24 15:59 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Peter Zijlstra
2010-12-24 15:59 ` Peter Zijlstra
2010-12-24 16:40 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free Miklos Vajna
2010-12-24 16:40 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Miklos Vajna
2010-12-24 16:48 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free Mike Galbraith
2010-12-24 16:48 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Mike Galbraith
2010-12-24 17:07 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free Peter Zijlstra
2010-12-24 17:07 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Peter Zijlstra
2010-12-24 17:24 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free Mike Galbraith
2010-12-24 17:24 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Mike Galbraith
2010-12-25 17:55 ` Balbir Singh
2010-12-25 18:07 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free Balbir Singh
2010-12-25 20:59 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Paul Menage
2011-01-03 7:06 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free Peter Zijlstra
2011-01-03 7:06 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Peter Zijlstra
2010-12-29 15:25 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free Ingo Molnar
2010-12-29 15:25 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Ingo Molnar
2010-12-29 23:07 ` Miklos Vajna
2010-12-31 10:04 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free Mike Galbraith
2010-12-31 10:04 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Mike Galbraith
2010-12-31 10:46 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free Miklos Vajna
2010-12-31 10:46 ` [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Miklos Vajna
2010-12-31 8:32 ` [PATCH] Re: [PATCH] sched, cgroup: Use exit hook to avoid Mike Galbraith
2010-12-31 8:32 ` [PATCH] Re: [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Mike Galbraith
2011-01-03 8:21 ` [PATCH] Re: [PATCH] sched, cgroup: Use exit hook to avoid Peter Zijlstra
2011-01-03 8:21 ` [PATCH] Re: [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash Peter Zijlstra
2011-01-04 14:19 ` [tip:sched/core] sched, autogroup: Fix reference leak tip-bot for Mike Galbraith
2011-01-04 14:57 ` Oleg Nesterov
2011-01-04 19:06 ` Mike Galbraith
2011-01-19 19:04 ` [tip:sched/urgent] sched, cgroup: Use exit hook to avoid use-after-free crash tip-bot for Peter Zijlstra
2010-12-22 21:11 ` [PATCH] avoid race condition in pick_next_task_fair in Miklos Vajna
2010-12-22 21:11 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Miklos Vajna
2010-12-22 23:39 ` [PATCH] avoid race condition in pick_next_task_fair in Miklos Vajna
2010-12-22 23:39 ` [PATCH] avoid race condition in pick_next_task_fair in kernel/sched_fair.c Miklos Vajna
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