linux-kernel - Re: Regression since 2.6.30-rc1

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Message-ID: <49F8E145.1050708@lwfinger.net>
Date:	Wed, 29 Apr 2009 18:22:45 -0500
From:	Larry Finger <Larry.Finger@...inger.net>
To:	Johannes Berg <johannes@...solutions.net>
CC:	wireless <linux-wireless@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Regression since 2.6.30-rc1 - Page allocation failures

Johannes Berg wrote:
> On Wed, 2009-04-29 at 23:09 +0200, Johannes Berg wrote:
> 
>> 	"%d, %d, need %d, %d", skb->data_len, skb->len, head_need, tail_need
> 
> actually, I think I want
> 
> 	skb_tail_pointer(skb) - skb->head
> 
> instead of skb->data_len.

I get the "failed to reallocate TX buffer" message. Not all are related to the
page allocation failure. I am also getting "b43-phy0 debug: DMA RX:
setup_rx_descbuffer() failed" messages.

So far, the numbers printed by the revised printk are:

kernel: phy0: failed to reallocate TX buffer 0, 404, need 0, 0
kernel: protocol 0008 is buggy, dev eth1

kernel: phy0: failed to reallocate TX buffer 0, 1728, need 0, 18

Device eth1 is the b43 wireless device.

Larry
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