From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: luto@mit.edu
Cc: minchan.kim@gmail.com, aarcange@redhat.com,
kamezawa.hiroyu@jp.fujitsu.com, fengguang.wu@intel.com,
andi@firstfloor.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, mgorman@suse.de,
hannes@cmpxchg.org, riel@redhat.com
Subject: Re: Easy portable testcase! (Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux))
Date: Thu, 26 May 2011 17:18:37 +0900 [thread overview]
Message-ID: <4DDE0CDD.5050000@jp.fujitsu.com> (raw)
In-Reply-To: <BANLkTinptn4-+u+jgOr2vf2iuiVS3mmYXA@mail.gmail.com>
(2011/05/26 5:17), Andrew Lutomirski wrote:
> On Tue, May 24, 2011 at 8:43 PM, KOSAKI Motohiro
> <kosaki.motohiro@jp.fujitsu.com> wrote:
>>
>> Unfortnately, this log don't tell us why DM don't issue any swap io. ;-)
>> I doubt it's DM issue. Can you please try to make swap on out of DM?
>>
>>
>
> I can do one better: I can tell you how to reproduce the OOM in the
> comfort of your own VM without using dm_crypt or a Sandy Bridge
> laptop. This is on Fedora 15, but it really ought to work on any
> x86_64 distribution that has kvm. You'll probably want at least 6GB
> on your host machine because the VM wants 4GB ram.
Hmmm....
I don't have 6GB memory. :-)
I'll try to borrow it from anywhere, but I'd expect my response is delayed
some time.
WARNING: multiple messages have this Message-ID (diff)
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: luto@mit.edu
Cc: minchan.kim@gmail.com, aarcange@redhat.com,
kamezawa.hiroyu@jp.fujitsu.com, fengguang.wu@intel.com,
andi@firstfloor.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, mgorman@suse.de,
hannes@cmpxchg.org, riel@redhat.com
Subject: Re: Easy portable testcase! (Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux))
Date: Thu, 26 May 2011 17:18:37 +0900 [thread overview]
Message-ID: <4DDE0CDD.5050000@jp.fujitsu.com> (raw)
In-Reply-To: <BANLkTinptn4-+u+jgOr2vf2iuiVS3mmYXA@mail.gmail.com>
(2011/05/26 5:17), Andrew Lutomirski wrote:
> On Tue, May 24, 2011 at 8:43 PM, KOSAKI Motohiro
> <kosaki.motohiro@jp.fujitsu.com> wrote:
>>
>> Unfortnately, this log don't tell us why DM don't issue any swap io. ;-)
>> I doubt it's DM issue. Can you please try to make swap on out of DM?
>>
>>
>
> I can do one better: I can tell you how to reproduce the OOM in the
> comfort of your own VM without using dm_crypt or a Sandy Bridge
> laptop. This is on Fedora 15, but it really ought to work on any
> x86_64 distribution that has kvm. You'll probably want at least 6GB
> on your host machine because the VM wants 4GB ram.
Hmmm....
I don't have 6GB memory. :-)
I'll try to borrow it from anywhere, but I'd expect my response is delayed
some time.
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next prev parent reply other threads:[~2011-05-26 8:18 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-25 20:17 Easy portable testcase! (Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux)) Andrew Lutomirski
2011-05-25 20:17 ` Andrew Lutomirski
2011-05-26 8:18 ` KOSAKI Motohiro [this message]
2011-05-26 8:18 ` KOSAKI Motohiro
2011-05-26 23:58 ` Minchan Kim
2011-05-26 23:58 ` Minchan Kim
2011-05-29 18:28 ` Minchan Kim
2011-05-30 0:28 ` Andrew Lutomirski
2011-05-30 0:28 ` Andrew Lutomirski
2011-06-14 10:10 ` Johannes Weiner
2011-06-14 10:10 ` Johannes Weiner
2011-06-14 12:32 ` Andrew Lutomirski
2011-06-14 12:32 ` Andrew Lutomirski
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