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Date: Fri, 25 Jul 2008 09:40:01 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Alex Samad <alex@...ad.com.au> Cc: linux-kernel@...r.kernel.org Subject: Re: page swap allocation error/failure in 2.6.25 On Fri, 2008-07-25 at 17:20 +1000, Alex Samad wrote: > Hi > > I reported this earlier (http://lkml.org/lkml/2008/7/13/41) which I had > attributed to miss match mtu and route information. > > But I have started to see the errors again. > > > Jul 25 13:07:07 hufpuf kernel: [269282.912693] swapper: page allocation > failure. order:2, mode:0x20 > Jul 25 13:07:07 hufpuf kernel: [269282.912700] Pid: 0, comm: swapper > Tainted: GF 2.6.25-2-amd64 #1 > Jul 25 13:07:07 hufpuf kernel: [269282.912703] > Jul 25 13:07:07 hufpuf kernel: [269282.912703] Call Trace: > Jul 25 13:07:07 hufpuf kernel: [269282.912705] <IRQ> > [<ffffffff8027709a>] __alloc_pages+0x2f8/0x312 > Jul 25 13:07:07 hufpuf kernel: [269282.912750] [<ffffffff80294c63>] > kmem_getpages+0xc5/0x193 > Jul 25 13:07:07 hufpuf kernel: [269282.912757] [<ffffffff8029529d>] > fallback_alloc+0x147/0x1c0 > Jul 25 13:07:07 hufpuf kernel: [269282.912769] [<ffffffff80294ed8>] > kmem_cache_alloc_node+0x105/0x138 > Jul 25 13:07:07 hufpuf kernel: [269282.912777] [<ffffffff803ac4ae>] > __alloc_skb+0x64/0x12d Its harmless if it happens sporadically. Atomic order 2 allocations are just bound to go wrong under pressure. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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