On 14/06/16 14:07, Juri Lelli wrote: > On 14/06/16 20:53, Xunlei Pang wrote: > > On 2016/06/14 at 18:21, Juri Lelli wrote: > > > Hi, > > > > > > On 07/06/16 21:56, Peter Zijlstra wrote: > > >> From: Xunlei Pang <[email protected]> > > >>
[...] > > > The idea of this fix makes sense to me. But, I would like to be able to > > > see the BUG and test the fix. What I have is a test in which I create N > > > DEADLINE workers that share a PI mutex. They get migrated around and > > > seem to stress PI code. But I couldn't hit the BUG yet. Maybe I let it > > > run for some more time. > > > > You can use this reproducer attached(gcc crash_deadline_pi.c -lpthread -lrt > > ). > > Start multiple instances, then it will hit the bug very soon. > > > > Great, thanks! I'll use it. > OK. I could reproduce and also test that I can't see the BUG anymore with the fix.
