On Tue, Nov 24, 2020 at 08:08:26PM +0800, Coiby Xu wrote: > Hi Stefan, > > On Wed, Nov 11, 2020 at 12:43:26PM +0000, Stefan Hajnoczi wrote: > > Do not leave stdin and stdout open after fork. stdout is the > > tap-driver.pl pipe. If we keep the pipe open then tap-driver.pl will not > > detect that qos-test has terminated and it will hang. > > I wonder under which situation this would happen. I couldn't re-produce > this issue locally.
Try adding g_assert_not_reached() to one of the tests so the qos-test process aborts. Then tap-driver.pl will hang because the pipe hasn't been closed and "make check" never completes.
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