Error report: Valgrind hangs after SIGKILL

Hello,

I have detected the following issue while running Valgrind on a 
multi-threaded application. Valbrind hangs if the application raises the 
signal SIGKILLl to suicide.

# strace -ff valgind <the app> -c 'sigraise 9'

shows SIGKILL neither sent nor received by any thread; it just shows the
main thread exits and the second thread getting stuck waiting on a futex.

-- 
With the best regards,
Andrey Shinkevich