This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- xenial' to 'verification-done-xenial'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-xenial -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1613295 Title: AES-XTS poor performance in Ubuntu 16.04 Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Committed Status in linux source package in Yakkety: Fix Released Bug description: == Comment: #0 - Paulo Flabiano Smorigo <pfsmor...@br.ibm.com> - 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 <pfsmor...@br.ibm.com> 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 <pfsmor...@br.ibm.com>: -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 <pfsmor...@br.ibm.com> - 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1613295/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : firstname.lastname@example.org Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp