| 2017-08-08 02:09:23 |
bugproxy |
bug |
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added bug |
| 2017-08-08 02:09:26 |
bugproxy |
tags |
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architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 |
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| 2017-08-08 02:09:27 |
bugproxy |
ubuntu: assignee |
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Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) |
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| 2017-08-08 02:09:32 |
bugproxy |
affects |
ubuntu |
linux (Ubuntu) |
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| 2017-08-08 02:21:29 |
Frank Heimes |
bug task added |
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ubuntu-power-systems |
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| 2017-08-08 02:21:51 |
Frank Heimes |
ubuntu-power-systems: assignee |
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Canonical Kernel Team (canonical-kernel-team) |
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| 2017-08-08 02:22:00 |
Frank Heimes |
ubuntu-power-systems: importance |
Undecided |
High |
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| 2017-08-08 23:59:15 |
Frank Heimes |
summary |
RPT related fixes missing in ubintu 16.04.3 |
RPT related fixes missing in Ubuntu 16.04.3 |
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| 2017-08-11 22:01:07 |
Joseph Salisbury |
nominated for series |
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Ubuntu Zesty |
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| 2017-08-11 22:01:07 |
Joseph Salisbury |
bug task added |
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linux (Ubuntu Zesty) |
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| 2017-08-11 22:01:13 |
Joseph Salisbury |
linux (Ubuntu): status |
New |
In Progress |
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| 2017-08-11 22:01:16 |
Joseph Salisbury |
linux (Ubuntu Zesty): status |
New |
In Progress |
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| 2017-08-11 22:01:18 |
Joseph Salisbury |
linux (Ubuntu): importance |
Undecided |
High |
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| 2017-08-11 22:01:20 |
Joseph Salisbury |
linux (Ubuntu Zesty): importance |
Undecided |
High |
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| 2017-08-11 22:01:25 |
Joseph Salisbury |
linux (Ubuntu Zesty): assignee |
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Joseph Salisbury (jsalisbury) |
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| 2017-08-11 22:01:29 |
Joseph Salisbury |
linux (Ubuntu): assignee |
Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) |
Joseph Salisbury (jsalisbury) |
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| 2017-08-12 09:39:27 |
Frank Heimes |
ubuntu-power-systems: status |
New |
In Progress |
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| 2017-08-16 21:44:17 |
Jenifer Hopper |
description |
---Problem Description---
The following patches are missing in the ubuntu 16.04.3 kernel
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156104.html
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156105.html
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/157130.html
---uname output---
4.10.0-29-generic #33~16.04.1-Ubuntu SMP Tue Jul 25 18:17:06 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux
Machine Type = power9
---Steps to Reproduce---
Did a fork and exec benchmark to look at the performance and they pointed to radix routines.
Upstream commits mentioned:
commit f7327e0ba3805470cced2acfa053e795362ee41d
powerpc/mm/radix: Remove unnecessary ptesync
commit f6b0df55cad252fedd60aa2ba75a0207d0006283
powerpc/mm/radix: Don't do page walk cache flush when doing full mm flush
commit a5998fcb92552a18713b6aa5c146aa400e4d75ee
powerpc/mm/radix: Optimise tlbiel flush all case |
---Problem Description---
The following patches are missing in the ubuntu 16.04.3 kernel
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156104.html
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156105.html
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/157130.html
---uname output---
4.10.0-29-generic #33~16.04.1-Ubuntu SMP Tue Jul 25 18:17:06 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux
Machine Type = power9
---Steps to Reproduce---
Did a fork and exec benchmark to look at the performance and they pointed to radix routines.
Upstream commits mentioned:
commit f7327e0ba3805470cced2acfa053e795362ee41d
powerpc/mm/radix: Remove unnecessary ptesync
commit f6b0df55cad252fedd60aa2ba75a0207d0006283
powerpc/mm/radix: Don't do page walk cache flush when doing full mm flush
commit a5998fcb92552a18713b6aa5c146aa400e4d75ee
powerpc/mm/radix: Optimise tlbiel flush all case |
|
| 2017-08-16 21:44:17 |
Jenifer Hopper |
tags |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 verification-done-zesty |
|
| 2017-08-21 14:32:50 |
Joseph Salisbury |
description |
---Problem Description---
The following patches are missing in the ubuntu 16.04.3 kernel
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156104.html
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156105.html
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/157130.html
---uname output---
4.10.0-29-generic #33~16.04.1-Ubuntu SMP Tue Jul 25 18:17:06 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux
Machine Type = power9
---Steps to Reproduce---
Did a fork and exec benchmark to look at the performance and they pointed to radix routines.
Upstream commits mentioned:
commit f7327e0ba3805470cced2acfa053e795362ee41d
powerpc/mm/radix: Remove unnecessary ptesync
commit f6b0df55cad252fedd60aa2ba75a0207d0006283
powerpc/mm/radix: Don't do page walk cache flush when doing full mm flush
commit a5998fcb92552a18713b6aa5c146aa400e4d75ee
powerpc/mm/radix: Optimise tlbiel flush all case |
== SRU Justification ==
These four commits are Radix performance patches specific to powerpc.
The patches are reported to help anywhere from 40% up to 3.5X on unixbench fork/exec testcases.
The first patch was included in mainlne as of 4.12-rc1. The last three patches are
still in linux-next.
---Problem Description---
The following patches are missing in the ubuntu 16.04.3 kernel
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156104.html
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156105.html
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/157130.html
---uname output---
4.10.0-29-generic #33~16.04.1-Ubuntu SMP Tue Jul 25 18:17:06 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux
Machine Type = power9
---Steps to Reproduce---
Did a fork and exec benchmark to look at the performance and they pointed to radix routines.
Upstream commits mentioned:
commit f7327e0ba3805470cced2acfa053e795362ee41d
powerpc/mm/radix: Remove unnecessary ptesync
commit f6b0df55cad252fedd60aa2ba75a0207d0006283
powerpc/mm/radix: Don't do page walk cache flush when doing full mm flush
commit a5998fcb92552a18713b6aa5c146aa400e4d75ee
powerpc/mm/radix: Optimise tlbiel flush all case |
|
| 2017-08-24 10:05:55 |
Kleber Sacilotto de Souza |
linux (Ubuntu Zesty): status |
In Progress |
Fix Committed |
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| 2017-08-24 10:06:49 |
Kleber Sacilotto de Souza |
tags |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 verification-done-zesty |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 |
|
| 2017-08-28 18:07:34 |
Manoj Iyer |
tags |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 triage-g |
|
| 2017-09-01 08:26:13 |
Kleber Sacilotto de Souza |
tags |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 triage-g |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 triage-g verification-needed-zesty |
|
| 2017-09-07 20:20:33 |
bugproxy |
tags |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 triage-g verification-needed-zesty |
architecture-ppc64le bugnameltc-157357 severity-high targetmilestone-inin16043 triage-g verification-done-zesty |
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| 2017-09-11 15:21:59 |
Launchpad Janitor |
linux (Ubuntu): status |
In Progress |
Fix Released |
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| 2017-09-18 09:21:44 |
Launchpad Janitor |
linux (Ubuntu Zesty): status |
Fix Committed |
Fix Released |
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| 2017-09-18 09:21:44 |
Launchpad Janitor |
cve linked |
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2017-1000251 |
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| 2017-09-18 09:21:44 |
Launchpad Janitor |
cve linked |
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2017-7541 |
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| 2017-09-18 13:45:53 |
Manoj Iyer |
ubuntu-power-systems: status |
In Progress |
Fix Released |
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