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sunday project, gdb, 2003-11-04


. Highlights of this report

  gcc HEAD had a brief interval where sizeof(long double) increased
  from 12 to 16.  This caused a few FAILs with the gdb test suite
  (good job) plus 200 cascading ERRORs (ouch!).  gcc HEAD has been fixed,
  and I re-spun the test bed, and all is well now.

  The current tables are always at:
    http://www.shout.net/~mec/sunday/current/index.html

Michael C

. Old Bugs Fixed

  None.

. New Bugs Detected

  None.

. PR Count

  Query executed 2003-11-05 05:26:47 UTC

  1440 matches found
    22 analyzed
   654 closed
    21 feedback
   730 open
     3 paperwork
    10 suspended
  1440 TOTAL

. Libiberty Testing

  . target=native, host=i686-pc-linux-gnu, osversion=red-hat-8.0, libc=2.2.93-5-rh
      binutils HEAD                                      715 tests, 31 failures
      gcc 2.95.3, binutils HEAD                          All 616 tests passed
      gcc 3.3.2, binutils HEAD                           649 tests, 0 failures
      gcc gcc-3_3-branch, binutils 2.14                  649 tests, 0 failures
      gcc gcc-3_3-branch, binutils HEAD                  649 tests, 0 failures
      gcc gcc-3_3-branch, binutils vendor                649 tests, 0 failures
      gcc HEAD, binutils 2.14                            715 tests, 31 failures
      gcc HEAD, binutils HEAD                            715 tests, 31 failures
      gcc HEAD, binutils vendor                          715 tests, 31 failures
      gdb HEAD                                           715 tests, 31 failures
      gdb carlton_dictionary-branch                      714 tests, 31 failures
      gdb gdb_6_0-branch                                 649 tests, 0 failures

    These are long-standing demangler bugs.

      http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7986
      Problems with demangling (__cxa_demangle())

      http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11028
      The standalone C++ demangler doesn't work on some symbols

    A libiberty log is available at

      http://gcc.gnu.org/ml/gcc/2003-07/msg00032.html

. Gdb Testing

  My tables are at

    http://www.shout.net/~mec/sunday/2003-11-04/index.html

  The previous tables are at

    http://www.shout.net/~mec/sunday/2003-10-27/index.html

  . Non-PASS Results

    gdb 6.0             311 non-PASS results
    gdb gdb_6_0-branch  314 non-PASS results
    gdb HEAD            360 non-PASS results

  . gdb 6.0

    . gdb.mi/mi*-pthreads.exp: check mi_thread_command_set: -thread-select [3456]
        PASS -> blank
        blank -> PASS

        When gdb operates on an inferior program with threads, gdb uses
        hidden breakpoints in the thread library to track events such as
        thread creation and thread destruction.

        This causes some programs to behave differently because they
        aren't prepared to handle the additional signals caused by the
        hidden breakpoints.  The test program for mi*-pthreads.exp is
        such a program.

          http://sources.redhat.com/ml/gdb/2003-09/msg00279.html
          http://sources.redhat.com/gdb/bugs/259

    . gdb.threads/print-threads.exp: Hit thread_function breakpoint, 5 (slow with kill breakpoint)
        blank -> PASS

        Fluctuation with unknown cause.  Probably harmless.

    . gdb.threads/schedlock.exp: *
        PASS
      gdb.threads/schedlock.exp: thread 0 ran (didn't run)
      gdb.threads/schedlock.exp: thread 1 ran (didn't run)
      gdb.threads/schedlock.exp: thread 2 ran (didn't run)
      gdb.threads/schedlock.exp: thread 3 ran (didn't run)
      gdb.threads/schedlock.exp: thread 4 ran (didn't run)
      gdb.threads/schedlock.exp: thread 5 ran (didn't run)
        PASS
        FAIL

        All tests PASSed in all configurations except for the
        "thread N ran" tests.  Here are the counts per thread.

                    PASS  FAIL
          thread 0     0    26
          thread 1    26     0
          thread 2    26     0
          thread 3    26     0
          thread 4    26     0
          thread 5    26     0

  . gdb gdb_6_0-branch

    checkout date is '2003-11-04 06:09:52 UTC'
    previous date is '2003-10-27 13:49:56 UTC'

    . gdb.mi/mi*-pthreads.exp: check mi_thread_command_set: -thread-select [3456]
        PASS -> blank
        blank -> PASS

        Same analysis as gdb 6.0.

    . gdb.threads/pthreads.exp: backtrace from thread 2 bkpt in common_routine
        blank -> PASS
      gdb.threads/pthreads.exp: continue to bkpt at common_routine in thread 2
        FAIL -> PASS

        Last report, one configuration had a problem with:

          Cannot find thread 8192: generic error

        This problem did not happen for this report.

    . gdb.threads/schedlock.exp: *
        PASS
      gdb.threads/schedlock.exp: thread 0 ran (didn't run)
      gdb.threads/schedlock.exp: thread 1 ran (didn't run)
      gdb.threads/schedlock.exp: thread 2 ran (didn't run)
      gdb.threads/schedlock.exp: thread 3 ran (didn't run)
      gdb.threads/schedlock.exp: thread 4 ran (didn't run)
      gdb.threads/schedlock.exp: thread 5 ran (didn't run)
        PASS
        FAIL

        All tests PASSed in all configurations except for the
        "thread N ran" tests.  Here are the counts per thread.

                    PASS  FAIL
          thread 0     3    23
          thread 1    23     3
          thread 2    26     0
          thread 3    25     1
          thread 4    25     1
          thread 5    26     0

  . gdb HEAD

    checkout date is '2003-11-04 06:06:12 UTC'
    previous date is '2003-10-27 13:47:59 UTC'

    . gdb.cp/annota2.exp: annotate-quit

        http://sources.redhat.com/gdb/bugs/544
        gdb.c++/annota2.exp: annotate-quit test sometimes fails

        Fluctuation in test result probably due to a signal handling
        race in the command loop.

    . gdb.cp/virtfunc.exp: print pEe->vd()
        PASS -> FAIL

        There is a PR for this:

          http://sources.redhat.com/gdb/bugs/1405
          regression: print pEe->vd(), virtual baseclass botch, g++ 2.95.3 -gdwarf-2

        This test regressed with binutils HEAD.
        Now it FAILs with all versions of binutils.

    . gdb.mi/mi*-pthreads.exp: check mi_thread_command_set: -thread-select [3456]
        blank -> PASS
        PASS -> blank

        Same analysis as gdb 6.0.

    . gdb.threads/print-threads.exp: Hit kill breakpoint, 11 (slow with kill breakpoint)
        PASS -> blank

        Same analysis as gdb gdb_6_0-branch.

    . gdb.threads/schedlock.exp: *
        PASS
      gdb.threads/schedlock.exp: thread 0 ran (didn't run)
      gdb.threads/schedlock.exp: thread 1 ran (didn't run)
      gdb.threads/schedlock.exp: thread 2 ran (didn't run)
      gdb.threads/schedlock.exp: thread 3 ran (didn't run)
      gdb.threads/schedlock.exp: thread 4 ran (didn't run)
      gdb.threads/schedlock.exp: thread 5 ran (didn't run)
        PASS
        FAIL

        All tests PASSed in all configurations except for the
        "thread N ran" tests.  Here are the counts per thread.

                    PASS  FAIL
          thread 0     1    25
          thread 1    26     0
          thread 2    26     0
          thread 3    25     1
          thread 4    25     1
          thread 5    26     0

. Test Matrix

  target     => native
  host       => i686-pc-linux-gnu
  osversion  => red-hat-8.0
  gdb        => 6.0, gdb_6_0-branch, HEAD
  gcc        => 2.95.3, 3.2-7-rh, 3.3.2, gcc-3_3-branch, HEAD
  binutils   => 2.13.90.0.2-rh, 2.14, HEAD
  glibc      => 2.2.93-5-rh
  gformat    => dwarf-2, stabs+
  glevel     => 2
  count         78 = 1 * 1 * 1 * 3 * (4*3+1*1) * 1 * 2 * 1

  'target' and 'host' are gnu configuration triples.

  'osversion' is the host operating system name, which is additional
  information beyond 'host'.

  'gdb', 'gcc', 'binutils', and 'glibc' are version names.

  versions starting with a digit are official releases or snapshots.
  versions starting with a digit and ending with '-rh' are
    vendor-supplied official releases on my red hat linux host.
  versions named 'HEAD' are the cvs HEAD, also known as 'mainline' or 'trunk'.
  versions with any other name are cvs branches.

  'gformat' is the debugging information format.
  'glevel' is the debugging level.

  'count' is the total number of configurations tested.
  The vendor gcc is available only with vendor binutils,
    thus the '(4*3+1*1)' term for gcc/binutils combinations.

. Host Software

  . host=i686-pc-linux-gnu, osversion=red-hat-8.0

    make 3.79.1
    binutils 2.14
    gcc 3.3.2
    flex 2.5.4
    bison 1.875
    tcl 8.4.4
    expect 5.39
    dejagnu 1.4.3

  The sources.redhat.com cvs repository has its own versions of tcl,
  expect, and dejagnu.  I don't have the resources to test with both
  tcl/expect/dejagnu stacks, so I choose the stock stack for my test
  bed.
  
  The sources.redhat.com version of tcl is nearly identical to tcl
  8.4.1.  The sources.redhat.com version of expect dates from
  1998-06-15.  The sources.redhat.com version of dejagnu is nearly
  identical to dejagnu 1.4.3.

  I have packaged and published my scripts to manage the baseline
  software.  They are called Migchain (Michael's Gnu Toolchain) and
  Migbat (Michael's Gnu Build and Test), and they are licensed under the
  GPL.

    ftp://ftp.shout.net/pub/users/mec/migchain/migchain-0.7.tar.gz
    ftp://ftp.shout.net/pub/users/mec/migbat/migbat-0.7.tar.gz

. Test Bed Changes Since Last Report

  None.


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