Hi, This is a pure qemu/kernel issue. I've seen similar reports, like https://gitlab.com/qemu-project/qemu/-/issues/1198 What kernel version and qemu version are you running? On 4/06/2024 16:12, Kalil de A. Carvalho wrote:

Hello all.

Here, in my company, we have oVirt verson 4.5.4-1.el9 running with a lots of VM's but all Windows 2022 and 11 has a strange behaviour, sometimes just going down with this message:

"VM VM-NAME is down with error. Exit message: Lost connection with qemu process."

Looking for any answer on logs I found out this message:

"Code=qemu-kvm: ../hw/core/cpu-sysemu.c:77: int cpu_asidx_from_attrs(CPUState *, MemTxAttrs): Assertion `ret < cpu->num_ases && ret >= 0' failed. 2024-06-03 13:59:46.809+0000: shutting down, reason=crashed"

We don't understand why it just has problems with Windwos 2022 and 11. Windows 2019 run without problem.

Can any one have this kind of situation? Does it have any fixed action?

Best regars -- Atenciosamente, Kalil de A. Carvalho

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