Messages in this thread | | | Date | Fri, 23 Dec 2011 20:40:15 +0000 | From | Alan Cox <> | Subject | Re: tty TTY_HUPPED anomaly |
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> I turned the TTY_DEBUG_HANGUP and added some additional printks. You see > below the first port works just fine but the second fails because > something is calling the tty_hangup function around 70usecs after I open > the device??? > What and Why???
The driver will be - and because the carrier dropped and the HUPCL flag is set on the port.
Alan
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