Re: [Bugme-new] [Bug 9046] New: USB Serial not sending uevent on device disconnect if port open

Alan Cox <[email protected]>
Newsgroups gmane.linux.usb.devel
Organization Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903
Message-ID <[email protected]>
> > If you have a program that opens a port using usb-serial and the USB device is
> > disconnected there is no uevent indicating the ACTION "remove" for the tty
> > device (e.g ttyUSB0).  Once the port is closed the uevent is triggered and

You should get a hangup on the port. That notifies the open process.

No comment on the other bits although the whole open/close stuff has a
couple of other races and is on the hit list for a rewrite so a semi-ugly
patch here for now isn't too worrying

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