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make-3.82 testcases fail *sometimes*
From: |
Matthias Hopf |
Subject: |
make-3.82 testcases fail *sometimes* |
Date: |
Mon, 30 Aug 2010 19:52:48 +0200 |
User-agent: |
Mutt/1.5.17 (2007-11-01) |
Make 3.82 has inherited some issues in from 3.81 in features/parallelism
- and added some new ones in features/double_colon, options/dash-l, and
targets/SECONDARY.
All except those in targets/SECONDARY (which I do not 100% understand
yet) are related to tests using sleep for parallelization tests -
something highly unreliable on systems with lots of processors and high
load.
That results in make not building reliable on our opensuse build system;
I'm currently using the attached patch to increase the sleep times by a
factor of four. A reasonable solution would probably use a configurable
factor, so you can run quicker tests on a local workstation.
Worse is the test targets/SECONDARY; on some(!) invocations some(!) of
the tests are swapping or even missing lines. This *could* indicate a
race, though I rather guess that this again is the result of one
processor being halted longer than anticipated.
I have seen two different issue so far, in test #9
*** 1,5 ****
cp 1.a 1.b
cp 2.a 2.b
- cp 1.b 1.c
cp 2.b 2.c
rm 1.b 2.b
--- 1,5 ----
cp 1.a 1.b
cp 2.a 2.b
cp 2.b 2.c
+ cp 1.b 1.c
rm 1.b 2.b
and in test #10
*** 1,6 ****
touch test.1
touch test.2
- touch test.3
touch test.int
touch test.4
rm test.int
Matthias
--
Matthias Hopf <address@hidden> __ __ __
Maxfeldstr. 5 / 90409 Nuernberg (_ | | (_ |__ address@hidden
Phone +49-911-74053-715 __) |_| __) |__ R & D www.mshopf.de
- make-3.82 testcases fail *sometimes*,
Matthias Hopf <=
- Re: make-3.82 testcases fail *sometimes*, Matthias Hopf, 2010/08/31
- Message not available
- Re: make-3.82 testcases fail *sometimes*, Matthias Hopf, 2010/08/31
- Re: make-3.82 testcases fail *sometimes*, Paul Smith, 2010/08/31
- Re: make-3.82 testcases fail *sometimes*, Matthias Hopf, 2010/08/31
- Re: make-3.82 testcases fail *sometimes*, Eli Zaretskii, 2010/08/31
- Re: make-3.82 testcases fail *sometimes*, Paul Smith, 2010/08/31
- Re: make-3.82 testcases fail *sometimes*, Eli Zaretskii, 2010/08/31
- Re: make-3.82 testcases fail *sometimes*, Paul Smith, 2010/08/31
- Re: make-3.82 testcases fail *sometimes*, Eli Zaretskii, 2010/08/31
- Re: make-3.82 testcases fail *sometimes*, Paul Smith, 2010/08/31