[phobos] freebsd64 and osx32 + druntime semaphore test == evil
braddr at puremagic.com
Thu Aug 4 09:16:27 PDT 2011
Independently reproducible is good. It means it's not something
specific to the auto-tester environment (not that I thought it was, but
good to confirm).
On Thursday, August 04, 2011 4:27:06 AM, David Nadlinger wrote:
> Just to let you know, I can easily reproduce this on my OS X 10.7 box by simply running testWaitTimeout() function in a
> core.exception.AssertError at core.sync.semaphore(530): Assertion failure
> 5 semaphore 0x000ff46d onAssertError + 65
> 6 semaphore 0x00108886 _d_assertm + 30
> 7 semaphore 0x000f7cb0 void core.sync.semaphore.__assert(int) + 24
> 8 semaphore 0x000f84dd void core.sync.semaphore.testWaitTimeout() + 317
> 9 semaphore 0x000f85c1 void core.sync.semaphore.__unittest1() + 17
> 10 semaphore 0x000f7c93 void core.sync.semaphore.__modtest() + 11
> 11 semap
hore 0x000ff8e1 extern (C) bool core.runtime.runModuleUnitTests().int
> __foreachbody262(ref object.ModuleInfo*) + 45
> 12 semaphore 0x000fac93 int object.ModuleInfo.opApply(scope int delegate(ref
> object.ModuleInfo*)) + 79
> 13 semaphore 0x000ff7d2 runModuleUnitTests + 134
> 14 semaphore 0x00108fda extern (C) int rt.dmain2.main(int, char**).void runAll() + 38
> 15 semaphore 0x00108b51 extern (C) int rt.dmain2.main(int, char**).void tryExec(scope void
> delegate()) + 29
> 16 semaphore 0x00108aeb main + 179
> 17 semaphore 0x000f7c75 start + 53
> 18 ??? 0x00000001 0x0 + 1
> The assertion fails because alertedOne is not set, and about half of the times this happens, alertedTwo is set instead.
> The number of test iterations it takes for the first failure to
happen varies from several tens to thousands on my machine.
> On 8/4/11 2:41 AM, Brad Roberts wrote:
>> I'm not sure why these two systems are so pissed off at the druntime
>> semaphore test, but they both are, in different ways.
>> OSX has, essentially forever, periodically crashed during the test.
>> Recently, freebsd64 has started hanging in the test an awful lot, but not
>> every time. Eventually I notice it's been running way too long and kill
>> I'd be happy to give access to the freebsd64 box for anyone who's willing
>> to dig in. The osx box isn't mine to give access to, but I imagine sean
>> wouldn't mind adding another account should a volunteer show up to dig in
>> there too.
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