netdev - Re: [Bugme-new] [Bug 10767] New: Seg Fault Instead of Swapping

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Date:	Mon, 26 May 2008 14:33:08 +0300 (EEST)
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	Brian Vowell <brian.vowell@...il.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Netdev <netdev@...r.kernel.org>, bugme-daemon@...zilla.kernel.org
Subject: Re: [Bugme-new] [Bug 10767] New: Seg Fault Instead of Swapping

On Fri, 23 May 2008, Brian Vowell wrote:

> Here are some of the others that show in the logs:
> 
> This one repeats four times, and then again multiple times every minute
> afterwards for about 30 minutes.
> May 18 19:31:00 ishtar kernel: pdflush: page allocation failure. order:3,
> mode:0x4020

I think that the problem here is that tg3 tries to allocate a large 
contiguous memory block which isn't available.

> May 18 19:31:00 ishtar kernel: Pid: 15300, comm: pdflush Not tainted
> 2.6.25.4 #1
> May 18 19:31:00 ishtar kernel:
> May 18 19:31:00 ishtar kernel: Call Trace:
> May 18 19:31:00 ishtar kernel:  <IRQ>  [<ffffffff81075d35>]
> __alloc_pages+0x33f/0x35a
> May 18 19:31:00 ishtar kernel:  [<ffffffff810934a4>] new_slab+0x3f/0x242
> May 18 19:31:00 ishtar kernel:  [<ffffffff81093bba>]
> __slab_alloc+0x212/0x43b
> May 18 19:31:00 ishtar kernel:  [<ffffffff8128654c>]
> __netdev_alloc_skb+0x29/0x43
> May 18 19:31:00 ishtar kernel:  [<ffffffff8128654c>]
> __netdev_alloc_skb+0x29/0x43
> May 18 19:31:00 ishtar kernel:  [<ffffffff81094bd6>]
> __kmalloc_node_track_caller+0x75/0xab
> May 18 19:31:00 ishtar kernel:  [<ffffffff8128584a>] __alloc_skb+0x6a/0x133
> May 18 19:31:00 ishtar kernel:  [<ffffffff8128654c>]
> __netdev_alloc_skb+0x29/0x43
> May 18 19:31:00 ishtar kernel:  [<ffffffff8123a405>]
> tg3_alloc_rx_skb+0xc4/0x153
> May 18 19:31:00 ishtar kernel:  [<ffffffff81241343>] tg3_poll+0x3be/0x7df


...but I'm probably not much of help with it.


-- 
 i.
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