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------- Comment From emachado@xxxxxxxxxx 2014-09-30 17:10 EDT-------
This issue with the DSO warning message was fixed recently on upstream:

https://sourceware.org/ml/gdb-patches/2014-09/msg00594.html

I've rebuild gdb 7.8-0ubuntu1 with the aforementioned patch using
gcc-4.9.1, it indeed fixes the DSO issue and the number of unexpected
failures was reduced a bit:

=== gdb Summary ===

# of expected passes            24308
# of unexpected failures        254
# of unexpected successes       2
# of expected failures          57
# of unknown successes          1
# of known failures             58
# of unresolved testcases       4
# of untested testcases         40
# of unsupported tests          191

However, the number of failures is still higher than when using gcc-4.8.

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

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

Status in “gdb” package in Ubuntu:
  Confirmed

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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