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[Launchpad Bug Tracker <1365664@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package gdb - 7.8-0ubuntu2

---------------
gdb (7.8-0ubuntu2) utopic; urgency=medium

  * Update gdb from the 7.8 release branch.
    - Fix regression for Linux vDSO in GDB (PR gdb/17407).
    - Fix regression, GDB stopped on run with attached process (PR gdb/17347).
    - Fix PR guile/17367, PR guile/17247.
    - Fix crash on Python frame filters with unreadable arg.
    - Fix xmethod Python so that it works with Python3.
    - Fix 'gcore' with exited threads.
    - Fix Fix build/17104, build configured with --with-babeltrace.
    - Aarch64: Make CPSR a 32-bit register again in the target description.
  * Build-depend on binutils 2.24.51.20141001 for running the tests.
    LP: #1365664.
  * Fix gdbserver conditionals on ppc64le. LP: #1367832.
  * Fix attaching to a java process on ppc64el.
 -- Matthias Klose <doko@xxxxxxxxxx>   Wed, 01 Oct 2014 22:41:51 +0200

** Changed in: gdb (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1365664

Title:
  gdb source test suites are failing in Ubuntu14.10

Status in “binutils” package in Ubuntu:
  New
Status in “gdb” package in Ubuntu:
  Fix Released

Bug description:
  ---Problem Description---
  gdb source test suites are failing in Ubuntu14.10
   
  Machine Type = P8 
   
  ---Steps to Reproduce---
  Install a P8 system with Power KVM and then install Ubuntu 14.10 guest.
  Then try to build and execute the gdb source test suites as below.

  root@ubuntu:~# apt-get source gdb
  root@ubuntu:~# cd gdb-7.8/
  root@ubuntu:~/gdb-7.8# dpkg-buildpackage -b 2>&1 | tee gdblog

                  === gdb Summary ===

  # of expected passes            25009
  # of unexpected failures        287
  # of unexpected successes       2
  # of expected failures          66
  # of unknown successes          1
  # of known failures             59
  # of unresolved testcases       3
  # of untested testcases         19
  # of unsupported tests          100

   
  ---uname output---
  Linux ubuntu 3.16.0-11-generic #16-Ubuntu SMP Mon Aug 25 20:02:00 UTC 2014 ppc64le ppc64le ppc64le GNU/Linux
   
  I've retested gdb from Ubuntu 14.04 (gdb-7.7-0ubuntu3.1) in the Ubuntu 14.10 VM provided by Pavaman and the number of failures curiously increased to 250 (in comparison to less than 140 on 14.04), which leads me to believe that there is something in the environment of Ubuntu 14.10 compromising gdb functionality in several testcases.

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