On 11/12/2015 12:29, Ashley Jonathan wrote: > I have experienced a minor difficulty using QEMU with the "-serial > pty" option: > > If a process opens the slave pts device, writes data to it, then > immediately closes it, the data doesn't reliably get delivered to the > emulated serial port. This seems to be because a read of the master > pty device returns EIO on Linux if no process has the pts device > open, even when data is waiting "in the pipe". > > A fix seems to be for QEMU to keep the pts file descriptor open until > the pty is closed, as per the below patch.
You need to include a "Signed-off-by: Ashley Jonathan <jonathan.ash...@altran.com>" line in the commit message, meaning that you have read and understood the "Developer Certificate of Origin": http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/SubmittingPatches?id=f6f94e2ab1b33f0082ac22d71f66385a60d8157f#n297 Just reply to this message with the above line. Paolo