[phobos] unit test hangs

[Brad Roberts]

Thanks Sean.  I reenabled the phobos tests and they're passing once again 
on both Win_32 and Linux_32 (still need to get macos and freebsd added).

On Fri, 8 Oct 2010, Sean Kelly wrote:

> Date: Fri, 8 Oct 2010 10:36:39 -0700
> From: Sean Kelly <sean at invisibleduck.org>
> Reply-To: Discuss the phobos library for D <phobos at puremagic.com>
> To: Discuss the phobos library for D <phobos at puremagic.com>
> Subject: Re: [phobos] unit test hangs
> 
> Fixed.  I thought I'd dealt with this, but it must have been in test code I never committed.
> 
> On Oct 8, 2010, at 6:43 AM, Sean Kelly wrote:
> 
> > Must be related to my bug fixes.  Maybe there's a bad test. I'll check it out today. 
> > 
> > Sent from my iPhone
> > 
> > On Oct 8, 2010, at 12:05 AM, Brad Roberts <braddr at puremagic.com> wrote:
> > 
> >> On 10/7/2010 9:22 PM, Brad Roberts wrote:
> >>> On 10/7/2010 9:09 PM, Brad Roberts wrote:
> >>>> Between r2086 and 2089 the phobos tests on win32 only have started hanging.
> >>>> 
> >>>> Last good:
> >>>>   http://d.puremagic.com/test-results/test.ghtml?runid=1374
> >>>> 
> >>>> First bad:
> >>>>   http://d.puremagic.com/test-results/test.ghtml?runid=1376
> >>> 
> >>> Until someone tells me it's been fixed (or I get a timeout to kill the stalled
> >>> test coded up), I've disabled the phobos test step so that at least the rest of
> >>> the testing occurs.
> >> 
> >> Ok, now that the linux builds are back in action, it's phobos tests also hang.
> >> But since the posix based test mechanisms are a lot nicer, it's easy to tell
> >> that it's the concurrency test that's at fault.  It seems to be a pure stall, as
> >> the app is idle, not consuming cpu time.
> >> 
> >> Strace shows no activity.
> >> 
> >> I tried attaching gdb and getting a stack trace, but gdb's stack walker got
> >> pissed off (slightly edited for brevity):
> >> 
> >> (gdb) thr apply all bt
> >> 
> >> Thread 2 (Thread 0x404d2b70 (LWP 25772)):
> >> #0  0x4001d422 in __kernel_vsyscall ()
> >> #1  0x40041015 in pthread_cond_wait@@GLIBC_2.3.2 () from
> >> /lib/tls/i686/cmov/libpthread.so.0
> >> #2  0x0809cc2a in core.sync.condition.Condition.wait() ()
> >> buildsym.c:818: internal-error: start_symtab: Assertion `! pending_addrmap' failed.
> >> 
> >> Thread 1 (Thread 0x401d1780 (LWP 25771)):
> >> #0  0x4001d422 in __kernel_vsyscall ()
> >> #1  0x40041015 in pthread_cond_wait@@GLIBC_2.3.2 () from
> >> /lib/tls/i686/cmov/libpthread.so.0
> >> #2  0x0809cc2a in core.sync.condition.Condition.wait() ()
> >> buildsym.c:818: internal-error: start_symtab: Assertion `! pending_addrmap' failed.
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