Re: [PATCH] usbcore: don't log on consecutive debounce failures of the same port

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On Thu, 2014-07-17 at 17:13 -0700, Greg KH wrote:
> On Mon, Jul 14, 2014 at 10:47:55PM +0200, Oliver Neukum wrote:

> > I see no sane way to come up with numbers.
> > Unless you want to measure the time between spurious event.
> > But that would really be overkill. I'd rather fix a concrete
> > issue.
> 
> I'm all for fixing a "real" issue, but not at the expense of getting it
> wrong.
> 
> What hardware is "broken" here?  Can we blacklist it somehow instead of
> being so general here?

There's more than a dozen laptops with this issue out there.
The tests turned out quite specific. The issue only occurs
when rfkill is used to switch off BT. As different types of laptops
are affected the port number is unpredictable.

IMHO my patch is quite specific to the issue at hand. It catches
the issue fairly specific, namely noise on one port, without totally
hiding it and if it is a different issue with multiple affected
ports, the messages will not be surpressed.
And that without the need for yet another blacklist.

	Regards
		Oliver


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