** Also affects: linux (Ubuntu Yakkety)
Importance: High
Status: Triaged
** Changed in: linux (Ubuntu Yakkety)
Status: Triaged => Fix Released
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1604314
Title:
[Xenial] iommu/amd: Fix unity mapping initialization race
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Triaged
Status in linux source package in Yakkety:
Fix Released
Bug description:
== Xenial SRU Justification ==
HP Gen8 servers were having kernel panics with the 4.2 and 4.4 kernel which
is apparently resolved with the following commits. HP would like to see these
SRU'd for Xenial.
commit 0caa7616a6aca449dd68b58cb29bd491d296c2d5
Author: Aaron Campbell <[email protected]>
Date: Sat Jul 2 21:23:24 2016 -0300
iommu/vt-d: Fix infinite loop in free_all_cpu_cached_iovas
commit 522e5cb76d0663c88f96b6a8301451c8efa37207
Author: Joerg Roedel <[email protected]>
Date: Fri Jul 1 16:42:55 2016 +0200
iommu/amd: Fix unity mapping initialization race
== Testing ==
HP confirms their testing shows these patches resolves the issue on several
test machines.
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