On February 14, 2019 17:34, Max Kirillov wrote: > On Thu, Feb 14, 2019 at 05:17:26PM -0500, Randall S. Becker wrote: > > Unfortunately, subtest 13 still hangs on NonStop, even with this > > patch, so our Pipeline still hangs. I'm glad it's better on Azure, but > > I don't think this actually addresses the root cause of the hang. This > > is now the fourth attempt at fixing this. Is it possible this is not > > the test that is failing, but actually the git-http-backend? The code > > is not in a loop, if that helps. It is not consuming any significant > > cycles. I don't know that part of the code at all, sadly. The code is > > here: > > > > * in the operating system from here up * > > cleanup_children + 0x5D0 (UCr) > > ... so does the process which the stack was taken from has any children > processes still? > > I could imagine if a child somehow manages to end up in uninterruptible > sleep, then probably it would never complete this way, wouldn't it? >From what I can tell (previously reported), none of the children are dead. git-http-backend is waiting and the others are in a read state. I can try to get full stack traces once the current cycle ends.
