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kernel xfsdump msg cause? page allocation failure. order:4, mode:0x40d0

To: xfs-oss <xfs@xxxxxxxxxxx>
Subject: kernel xfsdump msg cause? page allocation failure. order:4, mode:0x40d0
From: "Linda A. Walsh" <xfs@xxxxxxxxx>
Date: Sun, 25 Apr 2010 16:19:41 -0700
User-agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.8.1.24) Gecko/20100228 Lightning/0.9 Thunderbird/2.0.0.24 Mnenhy/0.7.6.666
To whoever might know about these things... :-)

Seeing a bunch of these messages lately...

Apr 23 04:48:58 Ishtar kernel: [124868.839496] xfsdump: page allocation 
failure. order:4, mode:0x40d0
Apr 23 04:49:45 Ishtar kernel: [124915.266269] xfsdump: page allocation 
failure. order:4, mode:0x40d0
Apr 23 04:50:41 Ishtar kernel: [124971.533235] xfsdump: page allocation 
failure. order:4, mode:0x40d0
Apr 23 04:50:52 Ishtar kernel: [124982.665850] xfsdump: page allocation 
failure. order:4, mode:0x40d0
Apr 23 04:50:53 Ishtar kernel: [124983.283559] xfsdump: page allocation 
failure. order:4, mode:0x40d0

not sure what I broke...mismatch between application sw and kernel? Not sure 
what other symptoms
this is causing -- or like what this failure is doing to the dump...it appears 
to finish successfullly.

Running 2.6.33.2 kernel/Vanilla

Running Suse 11.2 apps, with xfs-dump-3.0.1-2.1.x86_64
(which is now separate from xfsprogs which has the same version #).

Are these messages something I should be worried about?

Thanks much!
Linda Walsh

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