Date: Wed, 13 Apr 2016 11:02:56 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Matthias Apitz <guru@unixarea.de>, freebsd-usb@freebsd.org, Alexander Motin <mav@FreeBSD.org> Subject: Re: usbconfig just hangs Message-ID: <570E0B40.7010808@selasky.org> In-Reply-To: <20160413085212.GA3064@c720-r292778-amd64> References: <20160413085212.GA3064@c720-r292778-amd64>
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On 04/13/16 10:52, Matthias Apitz wrote: > just hangs forever. What do I wrong? > > matthias Hi, It means a USB kernel device driver did not detach. Historically there has been several issues in cam/scsi where detaching the instance hangs. Try running kgdb and backtrace all USB process treads. Look for "detach" keyword. I've been thinking to maybe catch signals during the sx locking so that usbconfig can be CTRL-C'ed. --HPS
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