Messages in this thread | | | Date | Wed, 10 Aug 2011 20:07:54 +0200 | From | Andreas Bombe <> | Subject | Re: [PATCH v2 1/6] TTY: serial, remove BTM from wait_until_sent |
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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 close.
-- Andreas Bombe
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