linux-kernel - Re: [Bisected] [Bug #13821] Replugging USB serial converter uses new device node

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Message-ID: <20090728001740.61b365db@lxorguk.ukuu.org.uk>
Date:	Tue, 28 Jul 2009 00:17:40 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Carlos R. Mafra" <crmafra2@...il.com>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Ferenc Wagner <wferi@...f.hu>, Greg KH <greg@...ah.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>,
	Kay Sievers <kay.sievers@...y.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [Bisected] [Bug #13821] Replugging USB serial converter uses
 new device node

> And the fact that is, reverting your commit made things work under
> the same testing conditions.
> 
> Do you have any suggestions as to what I should do between unplugging
> and plugging it back?

Got it - if the port is opened twice (eg by two apps) it does this.
Reproduced and testing a fix.


Alan
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