Public bug reported: == Comment: #0 - Paulo Flabiano Smorigo <[email protected]> - 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 protected]> 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 protected]>: -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 protected]> - 2016-07-21 10:02:19 == The necessary patches: http://git.kernel.org/cgit/linux/kernel/git/herbert/cryptodev-2.6.git/commit/?id=11c6e16ee13ab68b8ff04c17ab41611a4fcc5c81 http://git.kernel.org/cgit/linux/kernel/git/herbert/cryptodev-2.6.git/commit/?id=c07f5d3da643329f38ff7c2ef2252723453dd9c4 http://git.kernel.org/cgit/linux/kernel/git/herbert/cryptodev-2.6.git/commit/?id=16dee78005be9908197c707393a3b6a61a14b4fb ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Taco Screen team (taco-screen-team) Status: New ** Tags: architecture-ppc64le bugnameltc-144001 severity-high targetmilestone-inin--- ** Tags added: architecture-ppc64le bugnameltc-144001 severity-high targetmilestone-inin--- ** Changed in: ubuntu Assignee: (unassigned) => Taco Screen team (taco-screen-team) ** Package changed: ubuntu => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1613295 Title: AES-XTS poor performance in Ubuntu 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1613295/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
