From owner-freebsd-bugs  Wed May 23 15:22:30 2001
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To: Stefan `Sec` Zehl <sec@42.org>
Cc: freebsd-bugs@FreeBSD.ORG
Subject: Re: kern/27259: md causes hang with make world 
In-Reply-To: Your message of "Thu, 24 May 2001 00:17:02 +0200."
             <20010524001702.A20596@matrix.42.org> 
Date: Thu, 24 May 2001 00:22:09 +0200
Message-ID: <53079.990656529@critter>
From: Poul-Henning Kamp <phk@critter.freebsd.dk>
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In message <20010524001702.A20596@matrix.42.org>, Stefan `Sec` Zehl writes:
>Hi,
>
>On Wed, May 23, 2001 at 12:32:48PM -0700, phk@FreeBSD.org wrote:
>> Synopsis: md causes hang with make world
>> 
>> State-Changed-From-To: open->closed
>> State-Changed-By: phk
>> State-Changed-When: Wed May 23 12:32:02 PDT 2001
>> State-Changed-Why: 
>> The md driver uses non-swappable ram for storage.  You have simply
>> RAM-starved your system to death.
>
>What leads you to that conlusion? Can you elaborate on that a bit more?
>
>The machine in question has 1G of physical ram and the Malloc disk (md)
>is 600Megs big.

and that is simply not possible.

the Malloc disk is limited by the amount of RAM malloc(9) can allocate
in one bucket.   Use vmstat(8) to see how much that is for your machine.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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