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* non-deterministic test failure
@ 2010-01-04  0:24 Jose A. Ortega Ruiz
  2010-01-17 21:38 ` Neil Jerram
  0 siblings, 1 reply; 3+ messages in thread
From: Jose A. Ortega Ruiz @ 2010-01-04  0:24 UTC (permalink / raw)
  To: guile-devel


hi,

during the last month or so, the threads test in 1.9.x has been failing
for me (debian unstable, x86 box) intermittently, with the message:

FAIL: threads.test: lock-mutex: timed locking succeeds if mutex unlocked
within timeout

it happens every now and then, but i haven't been able to pin down the
cause (i'm not familiar with the code and haven't looked at it much), or
to reproduce the error consistently (although with the current it seems
to happen almost always). am i the only one?

cheers,
jao
-- 
Lisp has assisted a number of our most gifted fellow humans in
thinking previously impossible thoughts. —Edsger Dijkstra





^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: non-deterministic test failure
  2010-01-04  0:24 non-deterministic test failure Jose A. Ortega Ruiz
@ 2010-01-17 21:38 ` Neil Jerram
  2010-01-17 21:49   ` Mike Gran
  0 siblings, 1 reply; 3+ messages in thread
From: Neil Jerram @ 2010-01-17 21:38 UTC (permalink / raw)
  To: Jose A. Ortega Ruiz; +Cc: guile-devel

"Jose A. Ortega Ruiz" <jao@gnu.org> writes:

> hi,
>
> during the last month or so, the threads test in 1.9.x has been failing
> for me (debian unstable, x86 box) intermittently, with the message:
>
> FAIL: threads.test: lock-mutex: timed locking succeeds if mutex unlocked
> within timeout
>
> it happens every now and then, but i haven't been able to pin down the
> cause (i'm not familiar with the code and haven't looked at it much), or
> to reproduce the error consistently (although with the current it seems
> to happen almost always). am i the only one?

No, I think I've seen this too.  Intermittently though, as you say.

     Neil




^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: non-deterministic test failure
  2010-01-17 21:38 ` Neil Jerram
@ 2010-01-17 21:49   ` Mike Gran
  0 siblings, 0 replies; 3+ messages in thread
From: Mike Gran @ 2010-01-17 21:49 UTC (permalink / raw)
  To: Neil Jerram, Jose A. Ortega Ruiz; +Cc: guile-devel

> From: Neil Jerram <neil@ossau.uklinux.net>

> "Jose A. Ortega Ruiz" writes:
> 
> > hi,
> >
> > during the last month or so, the threads test in 1.9.x has been failing
> > for me (debian unstable, x86 box) intermittently, with the message:
> >
> > FAIL: threads.test: lock-mutex: timed locking succeeds if mutex unlocked
> > within timeout
> >
> > it happens every now and then, but i haven't been able to pin down the
> > cause (i'm not familiar with the code and haven't looked at it much), or
> > to reproduce the error consistently (although with the current it seems
> > to happen almost always). am i the only one?
> 
> No, I think I've seen this too.  Intermittently though, as you say.
> 

I get the same fairly often when I compile CFLAGS="-g3 -gdwarf-2 -O0".
I imagine that it is the "-O0" zero optimization that has something to 
do with it.

-Mike 





^ permalink raw reply	[flat|nested] 3+ messages in thread

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2010-01-04  0:24 non-deterministic test failure Jose A. Ortega Ruiz
2010-01-17 21:38 ` Neil Jerram
2010-01-17 21:49   ` Mike Gran

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