On 10/16/2009 09:44 AM, John W. Linville wrote:
> On Fri, Oct 16, 2009 at 08:42:08AM -0500, Larry Finger wrote:
>> On 10/14/2009 03:06 AM, Michael Buesch wrote:
>>> On Wednesday 14 October 2009 03:25:30 Larry Finger wrote:
>>>> Commit 93bad2b757586fb153ef73b028953a8dcaccde77 entitled "b43: Fix PPC 
>>>> crash
>>>> in rfkill polling on unload" fixed the bug reported in Bugzilla No. 14181;
>>>> however, it introduced a new bug. Whenever the radio switch was turned off,
>>>> it was necessary to unload and reload the driver for it to recognize the
>>>> switch again.
>>>>
>>>> I believe this patch fixes the original problem without introducing any new
>>>> problems.
>>>>
>>>> Signed-off-by: Larry Finger <larry.fin...@lwfinger.net>
>>>> ---
>>>>
> 
>> As Michael correctly points out, this patch substitutes one bug for
>> another. The current bug affects every bcm43xx device with an rfkill
>> switch except BCM4306/3, and the new bug only affects BCM4306/3 users
>> with a kill switch. As the latter group may be the empty set, I think
>> the trade-off is worth it.
>>
>> An additional complication is that I do not have the hardware to test
>> the PPC faults. The OP of Bugzilla #14181 has been helpful; however,
>> if it takes several tries to get a fix, we might miss the 2.6.32
>> release, which would introduce a significant regression.
>>
>> For the above reasons, I am suggesting that this patch be accepted and
>> pushed to mainline even though it has faults.
> 
> Well, hmmm...ok, we have two or three problems here... :-)
> 
> One is whether or not to take this patch.  Normally it is against
> policy or whatnot to trade one bug for another.  In this case,
> it seems we would fix a real bug in exchange for a theorhetical
> bug that we believe no one actually has.  Is that the case?  If so,
> that might be acceptable.

Yes, I believe that to be the case.

> The other problem is a work/patch flow issue.  I have occasionally
> (some would say too often) snagged a patch directly from this list.
> But in general I have waited for Michael to repost the patches to
> linux-wireless before merging them.  As such, I'm unaccustomed to
> collecting patches from here.  In any event, most patches should be
> posted to linux-wireless for wider review before merging.  That would
> normally be the maintainer's job, but we are effectively without one
> for b43 now.  I don't suppose anyone wants to stand-up?

I would, but my RE work precludes that.

> The third problem (related to the second) is that I missed the
> original post, so if you don't mind I'd like you to resend it (to
> linux-wireless)! :-)

Will do.

Larry
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