ALZ (phyglos.org) wrote:
On 02/20/2016 09:49 PM, Bruce Dubbs wrote:
Bruce Dubbs wrote:
Douglas R. Reno wrote:
On Fri, Feb 19, 2016 at 3:18 PM, Bruce Dubbs <[email protected]>
wrote:

I've built the new glibc in my sandbox and will start doing a -rc2
when my
full build completes in the next hour or so.

I did look at the test failures:

XPASS: elf/tst-protected1a
XPASS: elf/tst-protected1b
FAIL: posix/tst-getaddrinfo4
FAIL: posix/tst-getaddrinfo5
Summary of test results:
       2 FAIL
    2401 PASS
      84 XFAIL
       2 XPASS

I've updated the text to add posix/tst-getaddrinfo5 to the list of
known
failures.  When I look at the text we have now, I also see:

* The rt/tst-cputimer1 and rt/tst-cpuclock2 tests have been known to
fail.
The reason is not completely understood, but indications are that minor
timing issues can trigger these failures.

* The math tests sometimes fail when running on systems where the
CPU is
not a relatively new Intel or AMD processor.

* Other tests known to fail on some architectures are
malloc/tst-malloc-usable and nptl/tst-cleanupx4.

I have already removed the text about tst-protected1{a,b}.

I have not seen any of these in a long time. Should I remove them?

Are these i686 specific?

I don't think so, but I'm not sure.  I can do a build on my 686 and
check,
but that wouldn't hold off proceeding with BLFS testing.  I'll try to set
it up tonight and let it run to check.  A full build with all tests takes
about 17 hours on that system.

Well it took 18 hours, but the 7.9-rc2 built on my 686.  For glibc, I
had one additional test failure: nptl/tst-cleanupx4.  That is mentioned
above.

Over here, after +3h for Ch5 and +17h for Ch6, on a Pentium M 1.6 Ghz
(i686) with 2GB RAM.

Here the results of glibc-2.23:

XPASS: elf/tst-protected1a
XPASS: elf/tst-protected1b
FAIL: nptl/tst-cleanupx4
FAIL: posix/tst-getaddrinfo4
FAIL: posix/tst-getaddrinfo5
FAIL: stdio-common/test-vfprintf
Summary of test results:
       4 FAIL
    2377 PASS
      84 XFAIL
       2 XPASS

On a Q9950 @3.4Ghz with 12 GB RAM (x86_64), expected results:

XPASS: elf/tst-protected1a
XPASS: elf/tst-protected1b
FAIL: posix/tst-getaddrinfo4
FAIL: posix/tst-getaddrinfo5
Summary of test results:
       2 FAIL
    2401 PASS
      84 XFAIL
       2 XPASS

In a VMware guest (x86_64) with 4 GB, interesting combination:

XPASS: conform/UNIX98/ndbm.h/linknamespace
XPASS: conform/XOPEN2K/ndbm.h/linknamespace
XPASS: conform/XOPEN2K8/ndbm.h/linknamespace
XPASS: conform/XPG4/ndbm.h/linknamespace
XPASS: elf/tst-protected1a
XPASS: elf/tst-protected1b
FAIL: stdio-common/test-vfprintf
Summary of test results:
       1 FAIL
    2402 PASS
      80 XFAIL
       6 XPASS


I also had a bunch of gcc test failures not in x86-64.  There were 8
failures using different options with c-c++-common/asan/null-deref-1.c,
1 failure for gcc.dg/pr45352-1.c, and 1 for gcc.dg/pr63914.c. The test
failures that are in the x86_64 build, directory_iterator.cc and
recursive_directory_iterator.cc fail here too.

The only other failure I see that differs from x86-64 is:

105-inetutils-1.9.4:FAIL: ping-localhost.sh


On the physical x86_64, clean results:

         === g++ Summary ===
# of expected passes        93742
# of unexpected successes    2
# of expected failures        342
# of unsupported tests        3746

         === gcc Summary ===
# of expected passes        114783
# of expected failures        262
# of unsupported tests        1806

         === libatomic Summary ===
# of expected passes        54

         === libgomp Summary ===

# of expected passes        1617
# of unsupported tests        170

         === libitm Summary ===
# of expected passes        26
# of expected failures        3
# of unsupported tests        1

         === libstdc++ Summary ===
# of expected passes        9871
# of unexpected failures    2
# of expected failures        65
# of unsupported tests        530

The 2 unexpected failures are the same that appear on virtual x86_64:

FAIL: experimental/filesystem/iterators/recursive_directory_iterator.cc
execution test
FAIL: experimental/filesystem/iterators/directory_iterator.cc execution test

On the i686 laptop, several timeouts and up to 12 unexpected failures...


With regards 'segfaults' and 'traps' in /var/log/kern.log while testing gcc:

* on i686 there are 216 segfaults, no traps
* on physical x86_64, 138 segfaults plus 57 traps
* on virtual x86_64, 163 segfaults and 73 traps.

I'm pretty sure this is a part of testing and most, if not all, are handled in the tests.

Hope it helps.

Yes, it does.  Thanks.

The stdio-common/test-vfprintf is new to me, but I recognize everything else.

  -- Bruce


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