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Re: [Qemu-devel] [PATCH] chardev: add baud parameter for serial host dev
Re: [Qemu-devel] [PATCH] chardev: add baud parameter for serial host device
Mon, 10 Jun 2013 07:56:01 +0200
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130513 Thunderbird/17.0.6
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
> 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).
Re: [Qemu-devel] [PATCH] chardev: add baud parameter for serial host device, Eric Blake, 2013/06/15