From: "Justin P. Mattock" <justinmattock@gmail.com>
To: David Rientjes <rientjes@google.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: <IRQ> [<ffffffff810c9204>] ? __alloc_pages_nodemask+0x622/0x696
Date: Sat, 05 Mar 2011 19:20:54 -0800 [thread overview]
Message-ID: <4D72FD96.6020702@gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1103051847100.8779@chino.kir.corp.google.com>
On 03/05/2011 06:50 PM, David Rientjes wrote:
> On Sat, 5 Mar 2011, Justin Mattock wrote:
>
>> [ 339.787008] SLUB: Unable to allocate memory on node -1 (gfp=0x20)
>> [ 339.787008] cache: kmalloc-8192, object size: 8192, buffer size:
>> 8264, default order: 3, min order: 2
>> [ 339.787008] kmalloc-8192 debugging increased min order, use
>> slub_debug=O to disable.
>> [ 339.787008] node 0: slabs: 181, objs: 543, free: 0
>> [ 339.790575] skbuff alloc of size 3904 failed
>> [ 339.823775] swapper: page allocation failure. order:2, mode:0x4020
>> [ 339.823781] Pid: 0, comm: swapper Not tainted 2.6.38-rc7-00143-gd1b152c #7
>> [ 339.823783] Call Trace:
>> [ 339.823786]<IRQ> [<ffffffff810c9204>] ? __alloc_pages_nodemask+0x622/0x696
>> [ 339.823811] [<ffffffffa015a077>] ? ath_rxbuf_alloc+0x29/0x9a [ath]
>> [ 339.823815] [<ffffffff810f67cf>] ? new_slab+0x7b/0x1c6
>> [ 339.823819] [<ffffffffa015a077>] ? ath_rxbuf_alloc+0x29/0x9a [ath]
>> [ 339.823823] [<ffffffff810f6dd6>] ? T.925+0x163/0x29c
>> [ 339.823827] [<ffffffff810c4ecc>] ? mempool_destroy+0xf/0x17
>> [ 339.823832] [<ffffffffa015a077>] ? ath_rxbuf_alloc+0x29/0x9a [ath]
>> [ 339.823836] [<ffffffff810f895a>] ? __kmalloc_track_caller+0xfe/0x190
>>
>
> Order-2 atomic allocations are always going to be difficult since we can't
> do synchronous compaction or reclaim, but I'd try the suggestion shown
> above: boot with slub_debug=O or disable slub debugging so that
> kmalloc-8192 is actually order-1 like it should be.
>
alright! I will leave that setting on in the boot options to see if this
happens again.
Justin P. Mattock
next prev parent reply other threads:[~2011-03-06 3:21 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-05 8:25 <IRQ> [<ffffffff810c9204>] ? __alloc_pages_nodemask+0x622/0x696 Justin Mattock
2011-03-06 2:50 ` David Rientjes
2011-03-06 3:20 ` Justin P. Mattock [this message]
2011-03-09 4:26 ` Justin P. Mattock
2011-03-09 20:57 ` David Rientjes
2011-03-09 21:18 ` Justin P. Mattock
2011-03-09 21:54 ` Christoph Lameter
2011-03-10 0:05 ` Bob Copeland
2011-03-15 20:59 ` Luis R. Rodriguez
2011-03-15 21:28 ` Justin P. Mattock
2011-03-15 22:13 ` Luis R. Rodriguez
2011-03-15 23:56 ` Justin P. Mattock
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