[compiler-rt] r319004 - Prevent Thread Exited/Joined events race

[Kamil Rytarowski via llvm-commits]

Thanks, hopefully it does the job.

On 28.11.2017 00:16, Matt Morehouse wrote:
> Ah.  That test is expected to fail for some ppc64 configurations due to
> threads not being marked as finished.  So after this revision those
> cases are resulting in an infinite loop.
> 
> I will switch the test from XFAIL to UNSUPPORTED which should fix this.
> 
> On Mon, Nov 27, 2017 at 3:06 PM, Bill Seurer via llvm-commits
> <llvm-commits at lists.llvm.org <mailto:llvm-commits at lists.llvm.org>> wrote:
> 
>     BTW, the specific test that is timing out is:
> 
>     XFAIL: ThreadSanitizer-powerpc64 :: cond_cancel.c
> 
> 
>     On 11/27/2017 04:59 PM, Bill Seurer via llvm-commits wrote:
> 
>         Unfortunately there's no shell account on that specific
>         machine.  I can try something for you as I have access or you
>         can get an account on one of the gcc compiler farm powerpc64
>         machines.
> 
>         I tried this on another powerpc64 BE machine and it doesn't hang
>         there. That system is a power 8 (the bot runs on a power 7) and
>         also has a different distro, though.
> 
>         On 11/27/2017 10:26 AM, Kamil Rytarowski via llvm-commits wrote:
> 
>             Hmm, is there a shell account to check it on ppc64be-linux?
> 
>             Are there problems with atomic functions?
> 
>             I don't see anything wrong with the code off-hand.
> 
>             On 27.11.2017 17:12, Matt Morehouse wrote:
> 
>                 Looks like this patch is breaking the ppc64be-linux bot
>                 <http://lab.llvm.org:8011/builders/sanitizer-ppc64be-linux/builds/4708
>                 <http://lab.llvm.org:8011/builders/sanitizer-ppc64be-linux/builds/4708>>. 
>                 Check-tsan
>                 is timing out.  This may have introduced a deadlock.
> 
> 
> 
>     -- 
> 
>     -Bill Seurer
> 
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> 
> 


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