Re: Windows 10 got stuck with PostgreSQL at starting up. Adding delay lets it avoid.

On Fri, 29 Jun 2018 08:34:18 +0200
Thomas Kellerer <spam_eater(at)gmx(dot)net> wrote:

> Did you try setting the service to "delayed start"?

We didn't try it yet. Thanks to give an idea. I think that
MS would advise us already if it were a just solution for this case.
Anyway, we will try and confirm it.

Thanks,
Takatsuka Haruka

> TAKATSUKA Haruka schrieb am 29.06.2018 um 08:03:
> > I got a trouble in PostgreSQL 9.3.x on Windows 10.
> > I would like to add new delay code as an official build option.
> >
> > Windows 10 sometime (approximately once in 300 tries) hung up
> > at OS starting up. The logs say it happened while the PostgreSQL
> > service was starting. When OS stopped, some postgres auxiliary
> > process were started and some were not started yet.
> >
> > The Windows dump say some threads of the postgres auxiliary process
> > are waiting OS level locks and the logon processes’thread are
> > also waiting a lock. MS help desk said that PostgreSQL’s OS level
> > deadlock caused OS freeze. I think it is strange story. But,
> > in fact, it not happened in repeated tests when I got rid of
> > PostgreSQL from the initial auto-starting services.
> >
> > I tweaked PostgreSQL 9.3.x (the newest from the repository) to add
> > 0.5 or 3.0 seconds delay after each sub process starts.
> > And then the hung up was gone. This test patch is attached.
> > It is only implemented for Windows. Also, I did not use existing
> > pg_usleep because it contains locking codes (e.g. WaitForSingleObject
> > and Enter/LeaveCriticalSection).
> >
> > Although Windows OS may have some problems, I think we should have
> > a means to avoid it. Can PostgreSQL be accepted such delay codes
> > as build-time options by preprocessor variables?