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[Bug 1380432] Re: 24x7 counters: Bug in catalog_read()

 

** Also affects: linux (Ubuntu Vivid)
   Importance: Undecided
     Assignee: Chris J Arges (arges)
       Status: In Progress

** Also affects: linux (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Trusty)
     Assignee: (unassigned) => Chris J Arges (arges)

** Changed in: linux (Ubuntu Trusty)
       Status: New => In Progress

** Description changed:

+ SRU Justification:
+ 
+ [Impact]
+ When using POWER8 in HV mode one cannot access 
+ /sys/bus/event_source/devices/hv_24x7/interface/catalog
+ 
+ [Test Case]
+ cp /sys/bus/event_source/devices/hv_24x7/interface/catalog /tmp
+ ls -l /tmp/catalog
+ # this should show a file with a size > 0
+ 
+ [Fix]
+ 56f12bee55d740dc47eed0ca9d5c72cffdffd6cf which is in 3.18-rc1
+ 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 
+ Power8 system with support for 24x7 counters
  
-  Machine Type = Power8 IBM,9119-MME 
-  
-  
+  Machine Type = Power8 IBM,9119-MME
+ 
  ---Steps to Reproduce---
  cp /sys/bus/event_source/devices/hv_24x7/interface/catalog /tmp
  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 
+ 
+ We recently discovered a bug in the upstream Linux kernel. It was
  fixed by this patch
  
  https://lkml.org/lkml/2014/10/1/35
  
  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.

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https://bugs.launchpad.net/bugs/1380432

Title:
  24x7 counters: Bug in catalog_read()

Status in “linux” package in Ubuntu:
  In Progress
Status in “linux” source package in Trusty:
  In Progress
Status in “linux” source package in Utopic:
  In Progress
Status in “linux” source package in Vivid:
  In Progress

Bug description:
  SRU Justification:

  [Impact]
  When using POWER8 in HV mode one cannot access 
  /sys/bus/event_source/devices/hv_24x7/interface/catalog

  [Test Case]
  cp /sys/bus/event_source/devices/hv_24x7/interface/catalog /tmp
  ls -l /tmp/catalog
  # this should show a file with a size > 0

  [Fix]
  56f12bee55d740dc47eed0ca9d5c72cffdffd6cf which is in 3.18-rc1
  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/event_source/devices/hv_24x7/interface/catalog /tmp
  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://lkml.org/lkml/2014/10/1/35

  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.

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