Re: [PATCH v2 1/6] TTY: serial, remove BTM from wait_until_sent

From: Andreas Bombe
Date: Wed Aug 10 2011 - 14:08:00 EST

On Wed, Aug 10, 2011 at 04:43:19PM +0200, Jiri Slaby wrote:
> On 08/10/2011 03:09 AM, Andreas Bombe wrote:
> > I did my simple test on ttyS0 again: "stty -F /dev/ttyS0 crtscts" then
> > "echo >/dev/ttyS0". I attached the gzipped sysrq-t list in case you need
> > the complete output. This is just the process while it is trying to
> > close the device (bash's internal echo):
> Hmm, perhaps obvious question. What is the port connected with? And with
> what cable? Is it null modem cable? Or at least with DTR-CTS connected?

Nothing is connected. After all, the whole point of this exercise is to
give the driver data to send which it can't get out so I can see whether
it blocks all tty operations system wide while trying to do the flush on

Andreas Bombe
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