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[Bug 1350375] [NEW] DomU crach on xen <3.2 due to NMI call

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1350375@xxxxxxxxxxxxxxxxxx>
Date: Wed, 30 Jul 2014 14:22:46 -0000
Reply-to: Bug 1350375 <1350375@xxxxxxxxxxxxxxxxxx>
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You have been subscribed to a public bug:

Request from Amazon:

Our engineering team has reported that the kernel in 14.04 LTS is making
a call to NMI which in turn causes DomU instances to crash under Xen
<3.2. This affects only a particular range of kernel versions from
3.12.25 to 3.15.6, and the kernel in 14.04 seems to be 3.14.x. There is
already a patch in the mainstream kernel version to apply that would
address the situation. The probability of a DomU crash with the current
ubuntu 14.04 kernel on a Dom0 running Xen <3.2 is always. Our customers
sometimes run on instance types that route them to >3.2 Xen so this does
not impact all customers.

** Affects: linux-meta (Ubuntu)
     Importance: High
         Status: Confirmed


** Tags: no-bot-nag
-- 
DomU crach on xen <3.2 due to NMI call
https://bugs.launchpad.net/bugs/1350375
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