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From: Sasha Levin <sasha.levin@oracle.com>
To: "linux-mm@kvack.org" <linux-mm@kvack.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Dave Jones <davej@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: mm: hangs in collapse_huge_page
Date: Thu, 24 Apr 2014 12:46:27 -0400	[thread overview]
Message-ID: <53593FE3.5000606@oracle.com> (raw)
In-Reply-To: <534DE5C0.2000408@oracle.com>

On 04/15/2014 10:06 PM, Sasha Levin wrote:
> Hi all,
> 
> I often see hung task triggering in khugepaged within collapse_huge_page().
> 
> I've initially assumed the case may be that the guests are too loaded and
> the warning occurs because of load, but after increasing the timeout to
> 1200 sec I still see the warning.

Ping? It happens quite often right now.


Thanks,
Sasha

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WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sasha.levin@oracle.com>
To: "linux-mm@kvack.org" <linux-mm@kvack.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Dave Jones <davej@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: mm: hangs in collapse_huge_page
Date: Thu, 24 Apr 2014 12:46:27 -0400	[thread overview]
Message-ID: <53593FE3.5000606@oracle.com> (raw)
In-Reply-To: <534DE5C0.2000408@oracle.com>

On 04/15/2014 10:06 PM, Sasha Levin wrote:
> Hi all,
> 
> I often see hung task triggering in khugepaged within collapse_huge_page().
> 
> I've initially assumed the case may be that the guests are too loaded and
> the warning occurs because of load, but after increasing the timeout to
> 1200 sec I still see the warning.

Ping? It happens quite often right now.


Thanks,
Sasha

  reply	other threads:[~2014-04-24 16:46 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-16  2:06 mm: hangs in collapse_huge_page Sasha Levin
2014-04-16  2:06 ` Sasha Levin
2014-04-24 16:46 ` Sasha Levin [this message]
2014-04-24 16:46   ` Sasha Levin
2014-04-30 15:42 ` Kirill A. Shutemov
2014-04-30 15:42   ` Kirill A. Shutemov
2014-05-01 14:38   ` Hillf Danton
2014-05-01 14:38     ` Hillf Danton
2014-05-11  0:34   ` Sasha Levin
2014-05-11  0:34     ` Sasha Levin
2014-05-14 21:29     ` Kirill A. Shutemov
2014-05-14 21:29       ` Kirill A. Shutemov
2015-04-30 22:17   ` Sasha Levin
2015-04-30 22:17     ` Sasha Levin
2015-04-30 22:24     ` Kirill A. Shutemov
2015-04-30 22:24       ` Kirill A. Shutemov

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