Re: [Xen-users] what's the meaning of this call trace

To:	Mike Sievers <saturngeist@xxxxxxxxxxxxxx>
Subject:	Re: [Xen-users] what's the meaning of this call trace
From:	Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxx>
Date:	Mon, 6 Dec 2010 11:00:03 +0100
Cc:	xen-users@xxxxxxxxxxxxxxxxxxx
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Am 06.12.2010 schrieb "Mike Sievers <saturngeist@xxxxxxxxxxxxxx>":

> Hi List,

> my message.log shows:

> The following is only an harmless informational message.

> Unless you get a _continuous_flood_ of these messages it means

> everything is working fine. Allocations from irqs cannot be

> perfectly reliable and the kernel is designed to handle that.

> gzip: page allocation failure. order:1, mode:0x20, alloc_flags:0x30

> pflags:0x402000

> Pid: 15317, comm: gzip Not tainted 2.6.32.24-0.2-xen #1

> Call Trace:

> [<ffffffff80009b95>] dump_trace+0x65/0x180

> [<ffffffff803508e6>] dump_stack+0x69/0x73

> Is this really harmles?

This has nothing to do with xen. It's a linux kernel thing.

It shows that your kernel was temporarily out of memory.

In the call trace (you snipped this) you should see which instance failed in

trying to allocate the memory. If you see no other messages later then

everything should be ok.

Dietmar.

> The server is xen domU

> ???

> Mike

Company details: http://ts.fujitsu.com/imprint.html

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Re: [Xen-users] what's the meaning of this call trace