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Bug#686847: KVM guest slows down and finally hangs on I/O



On Sep 06, Marco d'Itri <md@linux.it> wrote:

> The system suddenly slows down and then all processes hang. The getty on 
> the virtual console is responsive to input, but it hangs when it tries 
> to fork+exec login.
After installing the backported wheezy kernel I have found out that this
is related to VM pressure: now the system is trashing hard but is 
responsive and does not freezes, and the OOM killer started killing 
some processes.

-- 
ciao,
Marco

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