I tried without specifying -bios parameter still hang is seen. But this
time it had low memory corruption.
And built seabios with more debug logs but seabios doesn't does SMM init
even when its selected in make menuconfig.
I guess fundamentally th issue is writing 0xXX in IO port 0xB2 should
trig
Public bug reported:
When using qemu , SMI trigger causes hang/reboot under following
conditions:
1. No KVM but there are more than 1 threads (-smp > 1)
2. When using KVM.
Info:
qemu-system-x86_64 --version
QEMU emulator version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.29)
Copyright (c) 2003-2017 Fabr