** Changed in: linux (Ubuntu Trusty)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1729119
Title:
NVMe timeout is too short
Status in linux package in Ubuntu:
Confirmed
Status in linux-aws package in Ubuntu:
Fix Released
Status in linux source package in Trusty:
Fix Committed
Status in linux-aws source package in Trusty:
New
Status in linux source package in Xenial:
Fix Committed
Status in linux-aws source package in Xenial:
Fix Released
Status in linux source package in Zesty:
Fix Committed
Status in linux-aws source package in Zesty:
Invalid
Status in linux source package in Artful:
Fix Committed
Status in linux-aws source package in Artful:
Invalid
Bug description:
[SRU Justification]
[Impact]
Some NVMe operations time out too quickly. The module parameters allow the
timeouts to be extended, but only up to 255s, as the counters are bytes.
[Fix]
The underlying parameters are unsigned ints, so make the module parameters
unsigned ints too, by picking patch
http://lists.infradead.org/pipermail/linux-nvme/2017-September/012701.html
(Trusty specific) This also requires picking the patch that converts
the constant into a parameter, which is a clean cherry-pick.
[Regression Potential]
(X/Z/A) Very limited: only types of module parameters are changing, the patch
is easily reviewable.
(Trusty specific) Limited: a module parameter is added and its type is
changed. The patches are easily reviewable.
[Testing]
(Trusty only) Boot tested on a c5.large instance on AWS which uses
NVMe to boot. Verified that the system still boots with the patches,
and that a timeout of 123456s is permitted.
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