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Re: I receive error messages "__alloc_pages: 0-order allocation failed"

To: "Eugene Shramko" <shramko@xxxxxxxxxxxxxx>
Subject: Re: I receive error messages "__alloc_pages: 0-order allocation failed"
From: Steve Lord <lord@xxxxxxx>
Date: Tue, 24 Jul 2001 09:00:52 -0500
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: Message from "Eugene Shramko" <shramko@xxxxxxxxxxxxxx> of "Tue, 24 Jul 2001 11:10:17 +0300." <015201c11418$12db3110$1805670a@xxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
> Hi,=20
> 
>  I receive error messages "__alloc_pages: 0-order allocation failed"  when
> run small test.
> 
>  dd if=/dev/zero of=3D/u41/test/testfile  bs=3D4096 count=524288  and
>  dd if=/u41/test/testfile of =3D/dev/null bs=3D4096 count=524288.
> 
>  Is it dangerous?  What can I do?
> 
> I try to use xfs with Oracle , but i am not sure.
> 
> RedHat 7.1 with  kernel 2.4.5-SGI_XFS_1.0.1


This message is only a warning that memory is running low, once it happens
the kernel will attempt to find memory in other ways and free some
space before trying again.

What type of device is your filesystem built on? I am guessing some sort
of software raid configuration? Also is this a highmem kernel? There were
known mainline kernel deadlocks in this configuration up until 2.4.7.

Steve

> 
> 
> Eugene
> 



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