Re: allocation failure in b43/ssb

From: John W. Linville
Date: Fri Nov 07 2008 - 15:01:21 EST


On Fri, Nov 07, 2008 at 02:09:44PM -0500, Dave Jones wrote:
> We just had a report from a user who spotted a bunch of messages
> of the form below in his logs..

<snip>

> The kernel is a little old (2.6.26).
>
> Looking at it though, I'm puzzled..
>
> It seems we failed to allocate an order-1 allocation, even though
> we had memory available in the DMA and normal zones.
>
> What am I missing?
>
> Full logs at https://bugzilla.redhat.com/attachment.cgi?id=322882

Most of those traces look a little scrambled, but as best as I can
tell that call to setup_rx_descbuffer comes from dma_rx. That means
that the call to __dev_alloc_skb is done with GFP_ATOMIC. I don't
know if that factors into the answer to what is happening or not.

John
--
John W. Linville Linux should be at the core
linville@xxxxxxxxxxxxx of your literate lifestyle.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/