I've just successfully booted my new zenbook with this mainline kernel.
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-utopic/
This suggests this fix (or a fix anyway) has been merged into the stable kernel.
The default 14.04 kernel is still broken, though.
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I'm not confident yet we're seeing the exact same problem, but it is
pretty close. We're running a somewhat wide range of hyperisor kernels,
these are our observations so far.
node-1-1 3.13.0-24-generic is affected for 0% of vms
node-1-3 3.13.0-24-generic is affected for 0% of vms
node-1-5 3.
Note that my list of affected nodes also include migrated VMs, so there
are some false positives (VMs that came from an affected node). The
affected VMs on node 1-8 all seem to be migrated from another node.
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This fix seems to trigger problems with virtualization LP #1307473.
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Packages, which is subscribed to linux-armadaxp in Ubuntu.
https://bugs.launchpad.net/bugs/1326367
Title:
exploitable futex vulnerability
Status in “lin
We haven't been able to reproduce the issues under lab conditions, and
I'm not willing to use our production setup as a guinypig anymore. These
issues have cost me too much credibility already.
We believe #1326367 is causing this, as we've bisected this issue to be
between 3.13.0-27.50 and 3.13.0-
We've resolved our issues by disabling KSM on the affected nodes. All of
the non-affected nodes didn't have KSM enabled (due to a packaging bug
elsewhere). After disabling KSM, our problems went away gradually in ~3
days.
This means we're no longer affected by this issue (and given the other
repor
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