On Tue, 2023-11-07 at 14:15 +0400, marcandre.lur...@redhat.com wrote: > From: Marc-André Lureau <marcandre.lur...@redhat.com> > > If a display is backed by a specialized VC, allow to override the > default "vc:80Cx24C". > > As suggested by Paolo, if the display doesn't implement a VC (get_vc() > returns NULL), use a fallback that will use a muxed console on stdio. > > This changes the behaviour of "qemu -display none", to create a muxed > serial/monitor by default (on TTY & not daemonized). > > Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> > Reviewed-by: Thomas Huth <th...@redhat.com>
Hrm. This breaks the command line documented at https://qemu-project.gitlab.io/qemu/system/i386/xen.html $ ./qemu-system-x86_64 --accel kvm,xen-version=0x40011,kernel-irqchip=split \ -display none -chardev stdio,mux=on,id=char0,signal=off -mon char0 \ -device xen-console,chardev=char0 -drive file=${GUEST_IMAGE},if=xen qemu-system-x86_64: cannot use stdio by multiple character devices qemu-system-x86_64: could not connect serial device to character backend 'stdio' Can we make it create a Xen console by default, instead of a serial port? And/or make it *not* use stdio if something else on the command line already does?
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