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Re: LVM causing memory corruption

To: "Ralf G. R. Bergs" <rabe@xxxxxxxxxxxxxx>
Subject: Re: LVM causing memory corruption
From: Keith Owens <kaos@xxxxxxx>
Date: Sun, 06 Jan 2002 21:52:26 +1100
Cc: "linux-xfs@xxxxxxxxxxx" <linux-xfs@xxxxxxxxxxx>
In-reply-to: Your message of "Sun, 06 Jan 2002 10:55:47 BST." <E16NA1s-0007TJ-00@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Sun, 06 Jan 2002 10:55:47 +0100, 
"Ralf G. R. Bergs" <rabe@xxxxxxxxxxxxxx> wrote:
>On Sun, 06 Jan 2002 12:23:12 +1100, Keith Owens wrote:
>>This just appeared on linux-kernel.  It might throw some light on
>>recent bug reports about LVM.
>[...]
>>> LVM version 1.0.1-rc4(ish)(03/10/2001)
>>
>>Ah! You're using LVM! There are known bugs in LVM which cause memory
>>corruptions.[...]
>
>Does anyone know whether this bug also pertains to cases where LVM is compiled 
> 
>as a module, but isn't (actively) used?

LVM has no effect when it is a module that has not been loaded.
However compiling the kernel for MD (required for LVM) does affect the
base kernel.  Without going through all the differences between the
kernel MD/LVM code and the code in the MD/LVM CVS tree, any statement
would be a guess - I don't want to guess.


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