Message-ID: <b6c5339f0901090541m1ac135bcta91bacb3f048a9ba@mail.gmail.com> (sfid-20090109_144201_086568_1863DFA1)
Date: Fri, 9 Jan 2009 08:41:55 -0500
From: "Bob Copeland" <bcopeland@gmail.com>
To: "Hugh Dickins" <hugh@veritas.com>
Subject: Re: [ath5k-devel] ath5k_tasklet_rx BUG_ON(bf->skb == NULL)
Cc: "Maxim Levitsky" <maximlevitsky@gmail.com>,
	linux-wireless@vger.kernel.org, "Jiri Slaby" <jirislaby@gmail.com>,
	ath5k-devel@venema.h4ckr.net
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On Thu, Jan 8, 2009 at 1:41 PM, Bob Copeland <bcopeland@gmail.com> wrote:
> On Thu, Jan 8, 2009 at 12:55 PM, Hugh Dickins <hugh@veritas.com> wrote:
>> Let me see if I can reproduce the ath5k BUG with a straightforward
>> memhog, repeatedly dirtying more anon memory than RAM can provide.
>> Is there something suitable I could run to exercise that wireless
>> path concurrently?  It was just idling when I hit the BUGs before.
>
> Receiving any packets will do it, in your case it was probably
> beacons from nearby APs if you weren't using the wifi.  So iperf
> or similar will work.

Actually it's probably enough to just intentionally fail one
of the allocations in the driver.  I'll do that and let you know
if I can easily break it.

-- 
Bob Copeland %% www.bobcopeland.com