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From: Willy Tarreau <>
To: Jesper Juhl <>
Cc: Linux Kernel Mailing List <>
Subject: Re: vmscan.c:196: bad pmd (kernel 2.4.25)
Date: Thu, 7 Dec 2006 06:39:01 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>


On Wed, Dec 06, 2006 at 09:22:29AM +0100, Jesper Juhl wrote:
> The following messages just showed up in dmesg on one of my servers.
> The server seems to be running fine but I would like to know if
> there's a real problem here or if the message is just noise.
> The server is running 2.4.25
> vmscan.c:196: bad pmd 000001e3.
> vmscan.c:196: bad pmd 004001e3.
> vmscan.c:196: bad pmd 378001e3.
> vmscan.c:196: bad pmd 37c001e3.

I may be wrong, but to me it looks either like memory corruption
affecting one pgd, and by extension all of its pmds, or an old
bug in 2.4.25, but I don't recall seeing such a thing.

Anyway, I would personally reboot the server after such a thing, as I
really don't like it when VM is going mad.


      reply	other threads:[~2006-12-07  5:39 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-06  8:22 Jesper Juhl
2006-12-07  5:39 ` Willy Tarreau [this message]

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