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Date: Sun, 2 Nov 2008 23:51:20 -0800
From: "Luis R. Rodriguez" <mcgrof@gmail.com>
To: "Johannes Berg" <johannes@sipsolutions.net>
Subject: Re: wireless-testing commit eb9d4e8399181357cb6f6625ba7f849987432c6c causes stalls
Cc: "Bob Copeland" <me@bobcopeland.com>,
	"Nick Kossifidis" <mickflemm@gmail.com>, tim.gardner@canonical.com,
	mick@madwifi.org, linux-wireless@vger.kernel.org,
	"John W. Linville" <linville@tuxdriver.com>
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On Sun, Nov 2, 2008 at 11:34 PM, Johannes Berg
<johannes@sipsolutions.net> wrote:
> On Sun, 2008-11-02 at 23:29 -0800, Luis R. Rodriguez wrote:
>
>> >> Not sure I agree with the WARN_ON() if the driver's mac80211 config()
>> >> callback fails. In our case when we tune to a different channel we
>> >> have to clear any DMA operations first and then we reset the chip.
>> >> Reseting the chip can fail for whatever strange hw issue cases. The
>> >> patch fixes the complaint but is the complaint sane?
>> >
>> > What's mac80211 to do when it fails?
>>
>> How about a shiny new nl80211 event?
>
> And wtf would userspace do?

If multiple configuration attempts fail perhaps stop trying, and
inform the user?

  Luis