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Message-ID: <47713ee10812270105o5866aa27u9998539dc127e549@mail.gmail.com>
Date: Sat, 27 Dec 2008 17:05:14 +0800
From: "Lin Jui-Nan Eric" <ericlin@tamama.org>
To: "Danny Braniss" <danny@cs.huji.ac.il>
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References: <47713ee10812220844r7889d286l3a98f294d780ccc0@mail.gmail.com>
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	<E1LGUt5-000Jpj-2L@kabab.cs.huji.ac.il>
Cc: stable@freebsd.org, Rong-en Fan <grafan@gmail.com>
Subject: Re: amd(8) cores dump when load high
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No, we do not running amd with -S.

# ps auxww | grep amd
root      706  0.0  0.1  7660  5416  ??  Ss   Wed05PM   4:48.12
/usr/sbin/amd -p -k amd64 -x all /net amd.map


On Sat, Dec 27, 2008 at 4:51 PM, Danny Braniss <danny@cs.huji.ac.il> wrote:
>> Yes, we found that it crashes when swap is used.
>
> on an amd64 architecture, amd could not plock it's pages in memory, and would,
> under memory preasure be swapped out, and break.
> I just run some tests under 7.1-PRERELEASE, and
> - it seems that plock is working.
> - amd is not being swapped out.
> are you running with amd -S ?
>        danny
>
>>
>>
>> On Fri, Dec 26, 2008 at 6:02 PM, Rong-en Fan <grafan@gmail.com> wrote:
>> > On Tue, Dec 23, 2008 at 12:44 AM, Lin Jui-Nan Eric <ericlin@tamama.org> wrote:
>> >> Dear listers,
>> >>
>> >> We currently found that amd frequently cores dump while loading is
>> >> high (about 4~5) after we upgrade world & kernel from 7.0-RELEASE to
>> >> 7.1-PRERELEASE.
>> >>
>> >> I have read -stable and svn log of 7-STABLE, but can not found a
>> >> report or a solution. Did anyone have the same issue? Thank you very
>> >> much.
>> >>
>> >
>> > According to my previous experience, amd 6.1.5 crashes
>> > under low memory situations. Not necessary high load.
>> >
>> > Regards,
>> > Rong-En Fan
>> >
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