Il 03/09/2012 20:13, Michael Tokarev ha scritto: > There's a new bugreport filed against qemu-kvm in debian, > which looks very similar to what we already had before -- > https://bugs.launchpad.net/qemu/+bug/1021649 > which were fixed by adding qemu_notify_event() call. > Later on these qemu_notify_event() calls become unnecessary > as far as I remember. > > But here is a new one. > > qemu -nographic -kernel /boot/vmlinuz-$(uname -r) -append console=ttyS0 > -serial pty > > This will hang with 100% CPU usage until something is sent > to the pty. <Enter> key is enough. > > It does the same on qemu and kvm, with and without -enable-kvm, > and it looks pretty much like another forgotten notify_event. > And it happens on 1.1 and 1.2-tobe (today qemu/master), so should > be fixed before 1.2 is released. > > Note: libvirt uses pty-redirected serial port heavily, and this > is where the users are hit, exactly. > > The longer -serial specification (-chardev pty, -device isa-serial) > triggers it too. > > What's missing this time?
Could it be this one? <http://permalink.gmane.org/gmane.comp.emulators.qemu/168209> Paolo
