[Xen-users] regession: domU locks up with kernel 4.1.10

[Sven KÃhler <sven.koehler@xxxxxxxxx>]

Hi,

while 4.1.8 runs solid for months, 4.1.10 locks up minutes or even
seconds after domU has booted. The log is full of messages like

INFO: rcu_sched detected stalls on CPUs/tasks: { 0}

and xl top shows the corresponding domU stuck at above 100-104% CPU
usage. Also, the domU becomes unresponsive as far as network I/O is
concerned.

I'm using the kernel sources from kernel.org without any patches. I use
the same .config for 4.1.8 and 4.1.10.

git diff --stat didn't show any suspecious xen related changes, so I'm
wondering what's going on. Is anybody else seeing this?


Regards,
  Sven


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