Re: [Qemu-devel] [PATCH] mux: fix ctrl-a b again

["Marc-André Lureau" <marcandre.lureau@gmail.com>]

Hi

On Tue, Apr 17, 2018 at 11:19 PM, Peter Maydell
<peter.maydell@linaro.org> wrote:
> On 17 April 2018 at 19:36, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
>> Since this commit, the console on the Malta board stay black...
>>
>> Before:
>> $ qemu-system-mips -M malta -m 512 \
>>   -kernel vmlinux-3.2.0-4-4kc-malta -append 'root=/dev/sda1' \
>>   -nographic
>> [    0.000000] Initializing cgroup subsys cpuset
>> [    0.000000] Initializing cgroup subsys cpu
>> [    0.000000] Linux version 3.2.0-4-4kc-malta
>> (debian-kernel@lists.debian.org) (gcc version 4.6.3 (Debian 4.6.3-14) )
>> #1 Debian 3.2.51-1
>> [    0.000000] Config serial console: console=ttyS0,38400n8r
>> [    0.000000] bootconsole [early0] enabled
>> ...
>>
>> After:
>> $ qemu-system-mips -M malta -m 512 \
>>   -kernel vmlinux-3.2.0-4-4kc-malta -append 'root=/dev/sda1' \
>>   -nographic
>> QEMU 2.11.92 monitor - type 'help' for more information
>> (qemu) QEMU 2.11.92 monitor - type 'help' for more information
>> (qemu) q
>
> I reproed this, and as you can see from the transcripts you
> give the problem is that the mux is confused about what the
> active console should be. Before the patch, we correctly
> start with the serial as the active console and C-a c
> switches, but afterwards we start out with the monitor
> active and C-a c doesn't switch. Revert pushed to master.

Thanks Peter for taking care of this "mess" so simply and diligently.

I'll look into it again asap

-- 
Marc-André Lureau