Re: cmake hanging

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Sun, Sep 20, 2020 at 08:03:13PM +0100, Chavdar Ivanov wrote:
> On Sun, 20 Sep 2020 at 19:58, Joerg Sonnenberger <joerg%bec.de@localhost> wrote:
> >
> > On Sun, Sep 20, 2020 at 02:06:42PM +0100, Chavdar Ivanov wrote:
> > > I am not seeing other people report these lately, but I still continue
> > > to get these hangings, e.g. when running git as part of a zsh prompt
> > > function; roughly every  fourth command ends up with one of these,
> > > again as before, it is enough to attach with gdb to the got process
> > > and quit in order for it to complete. Here is another trace, -current
> > > is 9.99.73 from yesterday:
> >
> > Sure, nothing changed. I don't think this is really the fault of
> > jemalloc, from earlier debugging the real problem is that the wait list
> > got messed up.
> 
> The weird thing is, attaching with gdb and then quitting sorts it out...

Not surprising at all. It will result in the lwp_park system call
getting interrupted and the recheck will notice that there are no
waiters...

Joerg