Re: pgstat wait timeout (by Robert Schnabel) - Mailing list pgsql-bugs

From Alvaro Herrera
Subject Re: pgstat wait timeout (by Robert Schnabel)
Date
Msg-id 20091216142852.GA4156@alvh.no-ip.org
Whole thread Raw
In response to Re: pgstat wait timeout (by Robert Schnabel)  (Alexey Luchko <luch@ank-sia.com>)
Responses Re: pgstat wait timeout (by Robert Schnabel)
Re: pgstat wait timeout (by Robert Schnabel)
List pgsql-bugs
Alexey Luchko wrote:

> We've tried to restart the service. It was looking like the service
> stopped successfully, but two postgres.exe processes left running.
> One of them was utilizing one core. It had no tcp connections in any
> state. It was
> "C:/Program Files/PostgreSQL/8.4/bin/postgres.exe" "--forkcol" "1228"
>
> sysinternals' procexp.exe showes the following stack for this process:
> """
> ntkrnlpa.exe+0x8dace
> ntkrnlpa.exe+0x29a62
> ntkrnlpa.exe+0x33178
> hal.dll+0x6199
> hal.dll+0x63d9
> hal.dll+0x6577
> hal.dll+0x3902
> ntkrnlpa.exe+0x89721
> ntdll.dll!KiFastSystemCallRet
> mswsock.dll!ServiceMain+0x2949
> mswsock.dll!NSPStartup+0x1893
> WS2_32.dll!WSAUnhookBlockingHook+0x486
> WS2_32.dll!WSAUnhookBlockingHook+0x660
> WS2_32.dll!WSAEventSelect+0x2f
> postgres.exe!mdpostckpt+0x181b38
> postgres.exe!mdpostckpt+0x18bbdb
> """

This stack trace seems bogus.  The stats collector should not be calling
mdpostckpt at all.


--
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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