On Monday 10 June 2013 07:56:01 Gerd Hoffmann wrote: > On 06/08/13 23:49, Peter Wu wrote: > > When QEMU starts, it always changes the serial port parameters including > > baud rate. This confused my guest which thought it was outputting at 9600 > > baud while it was in fact changed to 115200. > > > > > > > > After this patch, I can use `-serial /dev/ttyS0,baud=9600` to override the > > default baud rate of 115200. > > I think we should just flip the default to 9600. IIRC this is the > power-on default baud rate of the 8250 uart family, so this should be > the qemu default too. If a guest wants to use a higher baudrate it has > to reprogram the uart anyway (and qemu will apply the guest changes to > the host uart).
FWIW, when I tried MODE.COM in ms-dos to change the baud rate, `stty -F /dev/ttyS0 -a` still reported 115200 baud. This is on Linux 3.9 if that matters. Besides this comment, any other feedback on the patch itself? Regards, Peter
