[Bug 579276] Re: Lost network in KVM VM / virtio_net page allocation failure

[Sergey Svishchev]

Quoting Debian bug report:

"> It seems as if Redhat encountered and fixed this bug back in January:
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=554078

The original upstream bug fix was:

commit 3161e453e496eb5643faad30fff5a5ab183da0fe
Author: Rusty Russell <rusty at rustcorp.com.au>
Date:   Wed Aug 26 12:22:32 2009 -0700

    virtio: net refill on out-of-memory

which was included in Linux 2.6.31.

However, another fix was needed on top of that:

commit 39d321577405e8e269fd238b278aaf2425fa788a
Author: Herbert Xu <herbert at gondor.apana.org.au>
Date:   Mon Jan 25 15:51:01 2010 -0800

    virtio_net: Make delayed refill more reliable"

The latter commit didn't make it into 2.6.32.

** Bug watch added: Red Hat Bugzilla #554078
   https://bugzilla.redhat.com/show_bug.cgi?id=554078

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Lost network in KVM VM / virtio_net page allocation failure
https://bugs.launchpad.net/bugs/579276
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