> Could you please confirm that if you revert this > > [PATCH] utrace: don't set ->ops = utrace_detached_ops lockless > > change the kernel passes the test? This is just impossible that this > patch could make any difference for this test-case.
No, it is the same. It is true also for kernels turned off CONFIG_UTRACE. > Unfortunately, I can't extend the reservation. RHTS had an outage yesterday, and now seems back to normal. > Did you change anything else (except kernel) on this machine? Not I am aware of. I will re-install this machine to have a probably clearer environment, and let you know the outcome shortly. Thanks, CAI Qian
