Hello, community,

My virtual server centos 7 rebooted, 2 times and I found a lot of this signaling info in the messages, does anyone know if this is normal or something is wrong here.
Signaling PME through PCIe PME interrupt

Which log file? Some logs start over with each reboot. Then you need to look at the last archived file. But I don't think the issue with rebooting is related to the error you posted.

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you suspect the emulator is doing something - it's not "real pci" so if linux uses it as real pci there will be errors

could be a bug in the emulator but ...

it could be your kernel options are too stiff. make sure your kernel options don't enable pci support that the emulator can't really fully support (if that's the case - thank your stars it even works)

use "virtualization" drivers when you can, ie, "virtio" drivers

make sure your emulator settings for disk support match your linux distro's guess of what the virtual machine settings are supposed to be