[Bug 209079] CPU 0/KVM: page allocation failure on 5.8 kernel

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=209079

--- Comment #6 from Sean Christopherson (sean.j.christopherson@intel.com) ---
Nope, the failure path is common so we can't even glean anything from the
offsets in the stack trace.

In your data dump, both nodes show 10gb+ of free memory so there's plenty of
space for the measly 4kb that KVM is trying to allocate.  My best guess is that
the combination of nodemask/cpuset stuff resulted in a set of constraints that
were impossible to satisfy.

At this point, I'd say just chalk it up to a bad configuration unless you want
to pursue this further.  If there's a kernel bug lurking then odds are someone
will run into again.

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