(In reply to Jiri Belka from comment #2)
> Where's errata link for this please?
You'll need to check with RHEL team for that, as it's fixed on their side.
ok based on #1124216 as this issue is related to seabios-bin package.
tested on latest 3.4 env with:
seabios-bin-1.7.2.2-12.el7_0.1.x86_64
qemu-kvm-rhev-1.5.3-60.el7_0.6.1.x86_64
and WGT 3.4.9