AES-XTS poor performance in Ubuntu 16.04
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
High
|
Unassigned | ||
Xenial |
Fix Released
|
Undecided
|
Tim Gardner | ||
Yakkety |
Fix Released
|
High
|
Unassigned |
Bug Description
== Comment: #0 - Paulo Flabiano Smorigo <email address hidden> - 2016-07-21 09:57:49 ==
---Problem Description---
Pre-sales customer observed slow performance of XTS using our system, multiple times slower then Haswell. We work to support it on VMX and managed to increase the performance by 20 times.
---uname output---
N/A
---Additional Hardware Info---
N/A
Machine Type = P8
---Debugger---
A debugger is not configured
---Steps to Reproduce---
N/A
Contact Information = Paulo Flabiano Smorigo <email address hidden>
Stack trace output:
no
Oops output:
no
System Dump Info:
The system is not configured to capture a system dump.
*Additional Instructions for Paulo Flabiano Smorigo <email address hidden>:
-Post a private note with access information to the machine that the bug is occuring on.
-Attach sysctl -a output output to the bug.
== Comment: #1 - Paulo Flabiano Smorigo <email address hidden> - 2016-07-21 10:02:19 ==
The necessary patches:
http://
http://
http://
tags: | added: architecture-ppc64le bugnameltc-144001 severity-high targetmilestone-inin--- |
Changed in ubuntu: | |
assignee: | nobody → Taco Screen team (taco-screen-team) |
affects: | ubuntu → linux (Ubuntu) |
Changed in linux (Ubuntu): | |
assignee: | Taco Screen team (taco-screen-team) → Canonical Kernel Team (canonical-kernel-team) |
importance: | Undecided → High |
status: | New → Triaged |
Changed in linux (Ubuntu Xenial): | |
status: | In Progress → Fix Committed |
tags: |
added: verification-done removed: verification-needed-xenial |
Changed in linux (Ubuntu Xenial): | |
status: | In Progress → Fix Committed |
tags: |
added: targetmilestone-inin16045 removed: targetmilestone-inin--- |
Merged in 4.8-rc1