** Description changed:

- == Comment: #0 - Aziz Rozyev <r66...@ru.ibm.com> - 2016-04-20 11:19:50 ==
- ---Problem Description---
- operf failure, 'strace operf' shows that it tries to get 'cpu_type' from 
/proc/cpuinfo, whereas there is no such field in cpuinfo. 
-  
- Contact Information = Aziz Rozyev/aziz.roz...@ru.ibm.com 
-  
- ---uname output---
- Linux s35lp26 4.4.0-15-generic #31-Ubuntu SMP Fri Mar 18 19:07:12 UTC 2016 
s390x s390x s390x GNU/Linux
-  
- Machine Type = z13 lpar type: 2964 model: 703 N96 
-  
- ---Debugger---
- A debugger is not configured
-  
- ---Steps to Reproduce---
-  run 'operf' 
-  
- Userspace tool common name: operf 
-  
- The userspace tool has the following bit modes: tested on 64bit 
+ ------- Comment From ofe...@il.ibm.com 2016-05-17 05:42 EDT-------
+ Following problem was discovered using JSCH to access Ubuntu guests on system 
z remotely. Using "exec" based channel with JSCH, every once in a while we get 
back an empty string as output to a command that should return output.
+ i was not able to reproduce without JSCH.
  
- Userspace tool obtained from project website:  na 
-  
- *Additional Instructions for Aziz Rozyev/aziz.roz...@ru.ibm.com:
- -Attach ltrace and strace of userspace application.
+ i conducted a simple test, running the "echo offer" command 400 times.
  
- == Comment: #4 - Andreas Arnez <ar...@de.ibm.com> - 2016-05-12 04:52:40 ==
- So far oprofile didn't support z13.  A patch for adding z13 support has now 
been posted upstream:
-   http://marc.info/?l=oprofile-list&m=146298177508640&w=2
+ The usage of JSCH, which is required is the blocking problem of major
+ test scenarios of a product.
+ 
+ 
+ ==
+ ps. replacing bug description, with what i'm guessing this bug is about. 
Previous description appears to be from the time when the bug bridge mirror had 
mistakes and e.g. mirrored 
https://bugs.launchpad.net/ubuntu/+source/oprofile/+bug/1581540 here.

** Summary changed:

- Add oprofile support for z13
+ JSCH doesn't keep connection alive

** Changed in: ubuntu
   Importance: Undecided => Wishlist

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https://bugs.launchpad.net/bugs/1582617

Title:
  JSCH doesn't keep connection alive

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