Possible hang in pthread_cond_broadcast()

Torvald Riegel triegel@redhat.com
Tue Aug 21 15:51:00 GMT 2018


On Wed, 2018-08-15 at 22:01 -0400, Carlos O'Donell wrote:
> On 08/15/2018 06:13 PM, Kuchta, Martin wrote:
> > Ideally, we'd like to have a standalone reproducible test, but our
> > efforts so far to develop one have been unsuccessful. The problem
> > only seems to show itself in our application very rarely (once per
> > 15-24 hours) and only under very heavy load.
> 
> Right, the ideal is a simple reproducer.

Even if there's no reproducer that triggers the problem reliably, I'd
like to see the code that uses the condvar (not the full application,
but something reduced).

I'll try to find some time to review this bug report and your analysis.



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