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* [Bug testsuite/55956] New: Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory
@ 2013-01-12 12:21 dominiq at lps dot ens.fr
  2013-01-12 12:32 ` [Bug testsuite/55956] " ebotcazou at gcc dot gnu.org
                   ` (5 more replies)
  0 siblings, 6 replies; 7+ messages in thread
From: dominiq at lps dot ens.fr @ 2013-01-12 12:21 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55956

             Bug #: 55956
           Summary: Multiple failures on powerpc-apple-darwin9 in the
                    acats test if the check-ada is run from the gcc
                    directory
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominiq@lps.ens.fr
                CC: ebotcazou@libertysurf.fr, iains@gcc.gnu.org
              Host: powerpc-apple-darwin9
            Target: powerpc-apple-darwin9
             Build: powerpc-apple-darwin9


When running check-ada on powerpc-apple-darwin9 from the build_dir/gcc, I get
~300 failures in the acats tests:

        === acats Summary ===
# of expected passes        2017
# of unexpected failures    303
*** FAILURES: a87b59a c330002 c34009l c354002 c354003 c35502c c35502e c35503c
c35503e c35507c c35507e c35508c c35508e c37215h c380004 c390002 c39008a c39008b
c39008c c393a06 c3a0014 c45613a c45613b c45613c c46014a c52103x c52104x c52104y
c64201b c65003b c760010 c761004 c761006 c761007 c761011 c85018a c85018b c91004b
c930001 c93004a c93004b c93004c c93004d c93004f c93005a c93005b c93005e c93005f
c93005g c93005h c93007a c940013 c94001a c94001b c94001f c94002a c94008a c94008b
c94008c c94008d c94020a c95022b c95040b c95040d c95065a c95065b c95065c c95065d
c95065e c95065f c95085b c95085c c95085d c95085e c95085f c95085g c95095a c95095b
c95095c c95095d c953001 c954013 c954014 c954016 c954018 c954019 c954023 c954024
c954025 c954a01 c954a02 c960004 c96007a c97204a c97204b c97304a c97304b c97307a
c974001 c974002 c974003 c974004 c974005 c974008 c974009 c974010 c974011 c974012
c974013 c980001 c980002 c980003 c99004a c99005a c9a007a c9a009a c9a009c c9a009f
c9a009g c9a009h c9a010a c9a011a c9a011b ca11001 ca11004 ca11017 ca11d01 ca11d02
cb1005a cb1010a cb1010c cb1010d cb20003 cb20006 cb20007 cb20a02 cb40005 cb4006a
cb4008a cb4009a cb4013a cb40a03 cb40a04 cc3019b cc3019c cc3120b cc3602a cc70a01
cd2b11a cd2b15c cdb0a02 cdd2001 ce2102a ce2102b ce2102c ce2102h ce2102l ce2102m
ce2103a ce2103b ce2110a ce2110c ce2202a ce2204a ce2204b ce2204c ce2204d ce2402a
ce2404a ce2404b ce2405b ce2407a ce2407b ce2410a ce2410b ce3102a ce3102b ce3102d
ce3102h ce3107a ce3114a ce3115a ce3206a ce3207a ce3302a ce3303a ce3402a ce3403a
ce3403f ce3404a ce3405c ce3406b ce3406c ce3407b ce3408b ce3409a ce3409e ce3410a
ce3410e ce3414a ce3601a ce3602c ce3603a ce3605c ce3701a ce3704b ce3704d ce3704e
ce3704f ce3704m ce3704n ce3704o ce3705d ce3705e ce3706d ce3706f ce3707a ce3708a
ce3801a ce3801b ce3804c ce3804d ce3804e ce3804g ce3804h ce3804m ce3804o ce3806a
ce3806b ce3806e ce3806h ce3809a ce3809b ce3810a ce3810b ce3901a ce3905b ce3905c
ce3905l ce3906b ce3906e ce3907a ce3908a cxa4001 cxa4004 cxa4005 cxa4008 cxa4009
cxa4012 cxa4015 cxa4016 cxa4019 cxa4020 cxa4026 cxa4027 cxa4030 cxa4032 cxa4034
cxa5012 cxa5a01 cxa5a02 cxa5a03 cxa5a04 cxa5a05 cxa5a06 cxa5a07 cxa5a08 cxa5a09
cxa5a10 cxa8001 cxa8003 cxaa012 cxaa013 cxaa014 cxaa015 cxaa017 cxaa018 cxac003
cxaf001 cxb3004 cxb3005 cxb3007 cxb3010 cxb3011 cxb3012 cxb4002 cxb4004 cxb4007
cxb4008 cxb5003 cxf3004 cxf3a01 cxf3a02 cxf3a03 cxf3a04 cxf3a08 cxg1003 cxg2003
cxg2011 cxg2012 cxg2013 cxg2015 cxg2016 

If the tests are run from build_dir, there are only 3 failures (very old ones):

        === acats tests ===
FAIL:    c52103x
FAIL:    c52104x
FAIL:    c52104y
FAIL:    c9a011a

        === acats Summary ===
# of expected passes        2316
# of unexpected failures    4

I see the same behavior in my oldest build with Ada: 4.7.0 RC1.

The acats.log for the failing case can be downloaded from

http://www.lps.ens.fr/~dominiq/ada/ada.tar.bz2

(bzipped tar archive for the gcc/testsuite/ada directory).


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [Bug testsuite/55956] Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory
  2013-01-12 12:21 [Bug testsuite/55956] New: Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory dominiq at lps dot ens.fr
@ 2013-01-12 12:32 ` ebotcazou at gcc dot gnu.org
  2013-01-12 12:46 ` dominiq at lps dot ens.fr
                   ` (4 subsequent siblings)
  5 siblings, 0 replies; 7+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2013-01-12 12:32 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55956

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2013-01-12
                 CC|ebotcazou at libertysurf    |ebotcazou at gcc dot
                   |dot fr                      |gnu.org
     Ever Confirmed|0                           |1
           Severity|normal                      |minor

--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2013-01-12 12:32:12 UTC ---
Sorry, no time to deal with an obsolete platform, you're on your own here...
Moreover all failures are timeout so little can be done except by you.


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [Bug testsuite/55956] Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory
  2013-01-12 12:21 [Bug testsuite/55956] New: Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory dominiq at lps dot ens.fr
  2013-01-12 12:32 ` [Bug testsuite/55956] " ebotcazou at gcc dot gnu.org
@ 2013-01-12 12:46 ` dominiq at lps dot ens.fr
  2013-01-13  9:01 ` ebotcazou at gcc dot gnu.org
                   ` (3 subsequent siblings)
  5 siblings, 0 replies; 7+ messages in thread
From: dominiq at lps dot ens.fr @ 2013-01-12 12:46 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55956

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |UNCONFIRMED
     Ever Confirmed|1                           |0

--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2013-01-12 12:46:11 UTC ---
> Sorry, no time to deal with an obsolete platform, you're on your own here...
> Moreover all failures are timeout so little can be done except by you.

On my own, I'll go nowhere: I don't know Ada, I don't know how the Makefile is
generated, I don't know most of what would be needed to fix the problem and I
don't plan to learn most of the requisites.

Indeed I am ready to do some debugging under supervision, but now that I have
located the problem, I'll live perfectly happy with the bug as it triggered
only because I had changed my testing routine.

Now what can be done by others is to check that their platform(s) of choice is
(are) immune from this problem, in particular other ppc ones. Along this line,
I have forgotten to say in the original report that x86_64-apple-darwin10 does
not have the problem.


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [Bug testsuite/55956] Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory
  2013-01-12 12:21 [Bug testsuite/55956] New: Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory dominiq at lps dot ens.fr
  2013-01-12 12:32 ` [Bug testsuite/55956] " ebotcazou at gcc dot gnu.org
  2013-01-12 12:46 ` dominiq at lps dot ens.fr
@ 2013-01-13  9:01 ` ebotcazou at gcc dot gnu.org
  2013-07-16 12:50 ` iains at gcc dot gnu.org
                   ` (2 subsequent siblings)
  5 siblings, 0 replies; 7+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2013-01-13  9:01 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55956

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |SUSPENDED
   Last reconfirmed|2013-01-12 00:00:00         |2013-01-13
     Ever Confirmed|0                           |1

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2013-01-13 09:01:33 UTC ---
> Indeed I am ready to do some debugging under supervision, but now that I have
> located the problem, I'll live perfectly happy with the bug as it triggered
> only because I had changed my testing routine.

OK, fine with me, especially in light of...

> Now what can be done by others is to check that their platform(s) of choice is
> (are) immune from this problem, in particular other ppc ones. Along this line,
> I have forgotten to say in the original report that x86_64-apple-darwin10 does
> not have the problem.

...this.  It's the very first time I've heard of such a problem and I've run
ACATS this way hundred times on a bunch of platforms over the past ten years;
in particular, PowerPC/Linux isn't affected.


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [Bug testsuite/55956] Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory
  2013-01-12 12:21 [Bug testsuite/55956] New: Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory dominiq at lps dot ens.fr
                   ` (2 preceding siblings ...)
  2013-01-13  9:01 ` ebotcazou at gcc dot gnu.org
@ 2013-07-16 12:50 ` iains at gcc dot gnu.org
  2013-08-01 13:41 ` dominiq at lps dot ens.fr
  2013-09-09 13:56 ` dominiq at lps dot ens.fr
  5 siblings, 0 replies; 7+ messages in thread
From: iains at gcc dot gnu.org @ 2013-07-16 12:50 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55956

--- Comment #4 from Iain Sandoe <iains at gcc dot gnu.org> ---
This is another manifestation of 44107.

The installed libgcc_s on darwin9 has an unwinder that does not recognise
modern gcc output.

The testsuite usually hides this by setting DYLD_LIBRARY_PATH/LD_LIBRARY_PATH
to point to the newly-built libgcc_s (which, of course, works).

It appears that the setting of DYLD_LIBRARY_PATH is not happening (or happening
incorrectly) for the case that the testsuite (at least the acats portion) is
run from the gcc dir.

I have not tried to determine where the problem occurs or if it manifests in
the same manner on Linux - since folks don't seem too concerned about it.

Of course, it is potentially relevant that testing might be using different
components depending on where it's invoked from.

(I don't personally propose to do anything about this).


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [Bug testsuite/55956] Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory
  2013-01-12 12:21 [Bug testsuite/55956] New: Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory dominiq at lps dot ens.fr
                   ` (3 preceding siblings ...)
  2013-07-16 12:50 ` iains at gcc dot gnu.org
@ 2013-08-01 13:41 ` dominiq at lps dot ens.fr
  2013-09-09 13:56 ` dominiq at lps dot ens.fr
  5 siblings, 0 replies; 7+ messages in thread
From: dominiq at lps dot ens.fr @ 2013-08-01 13:41 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55956

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|SUSPENDED                   |WAITING

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> This is another manifestation of 44107.

Confirmed.

How difficult would it be to prevent testing Ada from the gcc directory for
pre-darwin10?

Where could this behavior be documented?


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [Bug testsuite/55956] Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory
  2013-01-12 12:21 [Bug testsuite/55956] New: Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory dominiq at lps dot ens.fr
                   ` (4 preceding siblings ...)
  2013-08-01 13:41 ` dominiq at lps dot ens.fr
@ 2013-09-09 13:56 ` dominiq at lps dot ens.fr
  5 siblings, 0 replies; 7+ messages in thread
From: dominiq at lps dot ens.fr @ 2013-09-09 13:56 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55956

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
No answer: closing as duplicate of pr44107.

*** This bug has been marked as a duplicate of bug 44107 ***


^ permalink raw reply	[flat|nested] 7+ messages in thread

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2013-01-12 12:21 [Bug testsuite/55956] New: Multiple failures on powerpc-apple-darwin9 in the acats test if the check-ada is run from the gcc directory dominiq at lps dot ens.fr
2013-01-12 12:32 ` [Bug testsuite/55956] " ebotcazou at gcc dot gnu.org
2013-01-12 12:46 ` dominiq at lps dot ens.fr
2013-01-13  9:01 ` ebotcazou at gcc dot gnu.org
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