Inactive for ~two weeks, closing.
** Changed in: qemu
Status: New => Incomplete
** Changed in: qemu
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1888971
Title:
SMI trigger causes hang with multiple cores
Status in QEMU:
Invalid
Bug description:
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 Fabrice Bellard and the QEMU Project developers
SMI trigger was done by writing 0x00 in IO port 0xB2.
Command:
No failure in SMI trigger when using the below command:
qemu-system-x86_64 -M pc-q35-bionic -smp 1 -bios build/coreboot.rom -serial
stdio -hda ../linux.img -m 2048 | tee 1.txt
Hang/resets with below commands:
qemu-system-x86_64 -M pc-q35-bionic -smp 2 -bios build/coreboot.rom -serial
stdio -hda ../linux.img -m 2048 | tee 1.txt
sudo qemu-system-x86_64 -M pc-q35-bionic,accel=kvm -smp 1 -bios
build/coreboot.rom -serial stdio -hda ../linux.img -m 2048 | tee
1.txt
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