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Hi MikeQ, thanks a lot for sharing this workaround!
I was able to fix the problem.
- changed clocksource for VMs (clocksource=acpi_pm, was kvm_clock previously)
- on the virtualization host...
ich habe das Problem inzwischen lösen können.
Die letzten beiden Änderungen, die vielleicht den Ausschlag gegeben
Lucio, i added your request for a qcow2 cluster size parameter to the ticket
I filed a feature request for qcow2 l2-cache-size parameter here:
Thanks! I filed a feature request for qcow2 l2-cache-size parameter here:
There is a qemu parameter to set the size of qcow2 L2 cache properly (default is 8 GB disk size max) which has a dramatic impact on performance,...
Is there any workaround? E.g. can i create the qcow2 image manually, so i don't need to add the parameter later?
And is there any plan to...
Looks like you're currently running deadline (the one in the brackets is active). Yes, give it a try.
I just read that ionice generally does not work on NFS:
Were you able to fix the problem? Did changing
I'm not an expert but i have similar problems (not involving NFS though). What you could try as a workaround is a) install the CFQ i/o scheduler...
I installed latest BIOS and intel-microcode package. Can i still use "noibrs noibpb" kernel parameters to disable these functions? Or do i have to...
Were you able to solve the problem? I also see 'cpu soft lockup' in a KVM VM which contains a docker instance. Maybe a similar problem?