24x7 counters: Bug in catalog_read()
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Undecided
|
Chris J Arges | ||
Trusty |
Invalid
|
Undecided
|
Chris J Arges | ||
Utopic |
Fix Released
|
Undecided
|
Chris J Arges | ||
Vivid |
Fix Released
|
Undecided
|
Chris J Arges |
Bug Description
SRU Justification:
[Impact]
When using POWER8 in HV mode one cannot access
/sys/bus/
[Test Case]
cp /sys/bus/
ls -l /tmp/catalog
# this should show a file with a size > 0
[Fix]
56f12bee55d740d
It is a clean cherry pick into 3.16/3.13.
--
---Problem Description---
24x7 counters: Bug in catalog_read()
---Additional Hardware Info---
Power8 system with support for 24x7 counters
Machine Type = Power8 IBM,9119-MME
---Steps to Reproduce---
cp /sys/bus/
ls -l /tmp/catalog
Shows a file size 0 for the /tmp/catalog.
We recently discovered a bug in the upstream Linux kernel. It was
fixed by this patch
https:/
and that patch is scheduled to be included in powerpc tree.
When it is included, we should back port to Ubuntu 14.10 or next release.
CVE References
tags: | added: architecture-ppc64 bugnameltc-117275 severity-medium targetmilestone-inin1410 |
affects: | ubuntu → linux (Ubuntu) |
Changed in linux (Ubuntu): | |
assignee: | nobody → Taco Screen team (taco-screen-team) |
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
tags: | added: kernel-da-key |
tags: |
added: architecture-ppc64le removed: architecture-ppc64 |
Changed in linux (Ubuntu Trusty): | |
assignee: | nobody → Chris J Arges (arges) |
status: | New → In Progress |
description: | updated |
Changed in linux (Ubuntu Trusty): | |
status: | In Progress → Invalid |
Changed in linux (Ubuntu Utopic): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Vivid): | |
status: | In Progress → Fix Released |
tags: |
added: verification-done-utopic removed: verification-needed-utopic |
tags: |
added: targetmilestone-inin1504 removed: targetmilestone-inin1410 |
This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:
apport-collect 1380432
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.