On 03/08/2018 04:26 PM, Gerd Hoffmann wrote: > Hi, > >> I am playing with the virtio-gpu support on s390 and for that I also wanted >> to multiplex >> the existing consoles. >> So I basically used the max_outputs=2 of virtio gpu to be able >> to switch with ctrl+alt+1 and 3 between the virtio gpu and the sclplm >> console. > > Why max_outputs=2? Do you want two fbdev devices?
I had the situation that the vc device does not appear via vnc (only the virtio-gpu was then available). But I can no longer reproduce. So with max_outputs=1 this now works as well. No idea what was wrong. And here I can no longer see the crash. > >> -chardev pty,id=charconsole0 -device >> sclpconsole,chardev=charconsole0,id=console0 >> -chardev vc,id=charconsole1 -device >> sclplmconsole,chardev=charconsole1,id=console1 >> -device virtio-keyboard-ccw,id=input0,devno=fe.0.0001 >> -vnc 0.0.0.0:0 >> -k en-us >> -device virtio-gpu-ccw,id=video0,max_outputs=2,devno=fe.0.0008 >> >> >> This seems to work fine, vrtio-gpu is on 1 and sclplm is on 3. Problem is, >> when I randomly do ctrl+alt+[^1..9] sooner or later qemu crashes with > > Any chance this is ctrl-alt-2 ? yes.
