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