Re: PI BUG with -rt13

Dinakar Guniguntala
2005-11-25T07:58:46Z

On Fri, Nov 25, 2005 at 01:04:23PM +0530, Dinakar Guniguntala wrote:
> On Thu, Nov 24, 2005 at 08:56:06PM -0800, david singleton wrote:
> > On Nov 24, 2005, at 12:32 PM, Dinakar Guniguntala wrote:
> >
> > >>I just noticed with the above fix, Paul's testcase completely
> > >>hangs up and when killed I hit the BUG mentioned below.
> > >>Till -rt13, this testcase just ran to completion
> > >
> > >Forgot to mention that I notice the same failure with -rt15 as well
> >
> > Good news and bad news.
> > Good news. This test doesn't exercise the robust futex code.
> > Pthread mutexes that want priority queuing, priority inheritance and/or
> > robustness must have either the robust (PTHREAD_MUTEX_ROBUST_NP)
> > attribute set and/or the PTHREAD_PRIO_INHERIT attribute set at mutex
> > creation time.
>
> Davi, Thank you for looking into this
>
> Yes, this particular testcase does not exercise the robust futex code.
> However, the testcase only hangs when I apply your fix on top of
> -rt13. A Vanilla -rt13 works fine

Just to make myself clear, this is not the same testcase where I
saw PI issues that I reported ealier in the thread. I guess since
I reported both problems in the same thread, it is sort of confusing.
Hope that clears up any confusion

-Dinakar