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From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
To: peterz@infradead.org
Cc: tglx@linutronix.de, mingo@kernel.org, akpm@linux-foundation.org,
	mgorman@techsingularity.net, mhocko@kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: x86_64 Question: Are concurrent IPI requests safe?
Date: Wed, 11 May 2016 23:09:21 +0900	[thread overview]
Message-ID: <201605112309.AGJ18252.tOFMFQOJFLSOVH@I-love.SAKURA.ne.jp> (raw)
In-Reply-To: <20160511133928.GF3192@twins.programming.kicks-ass.net>

Peter Zijlstra wrote:
> On Wed, May 11, 2016 at 10:19:16PM +0900, Tetsuo Handa wrote:
> > [  180.434659] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/31/2013
> 
> can you reproduce on real hardware?
> 
Unfortunately, I don't have a real hardware to run development kernels.

My Linux environment is limited to 4 CPUs / 1024MB or 2048MB RAM running
as a VMware guest on Windows. Can somebody try KVM environment with
4 CPUs / 1024MB or 2048MB RAM whith partition only plain /dev/sda1
formatted as XFS?

WARNING: multiple messages have this Message-ID (diff)
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
To: peterz@infradead.org
Cc: tglx@linutronix.de, mingo@kernel.org, akpm@linux-foundation.org,
	mgorman@techsingularity.net, mhocko@kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: x86_64 Question: Are concurrent IPI requests safe?
Date: Wed, 11 May 2016 23:09:21 +0900	[thread overview]
Message-ID: <201605112309.AGJ18252.tOFMFQOJFLSOVH@I-love.SAKURA.ne.jp> (raw)
In-Reply-To: <20160511133928.GF3192@twins.programming.kicks-ass.net>

Peter Zijlstra wrote:
> On Wed, May 11, 2016 at 10:19:16PM +0900, Tetsuo Handa wrote:
> > [  180.434659] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/31/2013
> 
> can you reproduce on real hardware?
> 
Unfortunately, I don't have a real hardware to run development kernels.

My Linux environment is limited to 4 CPUs / 1024MB or 2048MB RAM running
as a VMware guest on Windows. Can somebody try KVM environment with
4 CPUs / 1024MB or 2048MB RAM whith partition only plain /dev/sda1
formatted as XFS?

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  reply	other threads:[~2016-05-11 14:09 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-06 10:58 [next-20160506 mm,smp] hang up at csd_lock_wait() from drain_all_pages() Tetsuo Handa
2016-05-06 10:58 ` Tetsuo Handa
2016-05-09 14:54 ` x86_64 Question: Are concurrent IPI requests safe? Tetsuo Handa
2016-05-09 14:54   ` Tetsuo Handa
2016-05-09 16:54   ` Thomas Gleixner
2016-05-11 13:19     ` Tetsuo Handa
2016-05-11 13:19       ` Tetsuo Handa
2016-05-11 13:39       ` Peter Zijlstra
2016-05-11 13:39         ` Peter Zijlstra
2016-05-11 14:09         ` Tetsuo Handa [this message]
2016-05-11 14:09           ` Tetsuo Handa
2016-05-11 14:33           ` Thomas Gleixner
2016-05-11 15:19             ` Tetsuo Handa
2016-05-11 15:19               ` Tetsuo Handa
2016-05-11 17:46               ` Peter Zijlstra
2016-05-11 17:46                 ` Peter Zijlstra
2016-05-11 21:56                 ` Tetsuo Handa
2016-05-11 21:56                   ` Tetsuo Handa
2016-05-11 14:13       ` Thomas Gleixner

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