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"?
