[vfio-users] Win10 guest stops responding. How to debug?

[gui-gui at netcourrier.com]

Hello,

Here is my setup:
CPU: i5-4460
GPU: R9 290
MB: Asrock H97M-ITX
Host OS: Archlinux running linux-ck 4.3.6 (but same problem with linux 4.4)
Guest OS: Windows10 Education
Mouse and keyboard are shared with synergy.
The script I use to launch the VM is attached.

I can boot the VM fine most of the time. However, after a while, the VM stops responding. By this, I mean I can still move the mouse on the screen (so network and graphics seem to be working, but the programs inside the VM stop working and nothing happens when I type or click. My guess is either the disk (virtio scsi) or the cpu (-cpu host,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time)
How can I troubleshoot this?
Which steps could I try to solve the problem?
Writing this, I realise I haven't setup hugepages, do hugepages have a chance of solving this?

Cheers,

Guillaume

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