[Bug 199727] CPU freezes in KVM guests during high IO load on host

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https://bugzilla.kernel.org/show_bug.cgi?id=199727

--- Comment #11 from Kai Zimmer (zimmer@xxxxxxx) ---
Thanks for your research Roland Kietzing. I'm also a user of Proxmox.

We spent a lot of time for troubleshooting this problem and after years finally
invested into a decent full flash storage system - now the problem has
disappeared here. But this cannot be considered a solution for all affected
users of Proxmox. 

I fear that the error description is a discouraging for any kvm developer:
"Proxmox is a Debian based virtualization distribution with an Ubuntu LTS based
kernel."

Maybe test a recent vanilla kernel version and add it to the bug metadata to
get more attention?

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