PC Randomly Being Shutting Down By System...

J

Jonathan Pray

I have a PC running XP Pro SP2 that is only used to record video from
security cameras. This box is a replacement for an older system that died
due to hardware failure, and is only a few months old. I loaded a clean copy
of XP Pro SP2 when I got it to get rid of all the extra apps that came on it.
On several occasions, I found the box completely shutdown and powered off.

Checking the event logs, 5 of the 7 shutdowns all happened at the EXACT same
time...12:00:04 AM on 6/25/08, 7/2/08, 7/10/08, 7/23/08, and 7/30/08. The
other 2 failed (6/16/08 and 7/31/08). I pasted the log entry from one of
them below. There aren't any events for automatic updates, or anything else
to explain why it was shutdown. All of the events show that they were
initiated by the winlogon.exe and the user was NT AUTHORITY\SYSTEM, not the
user; and none of the entries have any further information in them. I
installed Sandra to monitor the box temps and any other hardware issues, but
all temps are good and no hardware issues have been found.

The only things running on this box is the camera software, AVG Antivirus,
and the recently installed monitoring software, Sandra. Auto Updates are set
to notify only, so it isn't following a system update. AVG is set to update
every day at 02:00 AM and to scan around 05:00 AM.

I am at a complete loss as to what could be causing this, or how I can get
any more information about it. Please let me know if I am overlooking
something, or if there is something I can do to log more details when it
happens next. When the box is down, so are all the security cameras; so it
is pretty important.


Thanks in advance,


Jonathan Pray


Event Type: Information
Event Source: USER32
Event Category: None
Event ID: 1074
Date: 7/30/2008
Time: 12:00:04 AM
User: NT AUTHORITY\SYSTEM
Computer: CAMERA
Description:
The process winlogon.exe has initiated the restart of CAMERA for the
following reason: No title for this reason could be found
Minor Reason: 0xff
Shutdown Type: shutdown
Comment: 1

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: ff 00 00 00 ÿ...
 
V

V Green

On some of the video capture cards that the cameras are
hooked to, I have seen hardware "watchdog" timers that restart
the card and/or the entire system if it detects that the cap card
has "stopped responding". This tends to apply to cards that
have multiple camera inputs and are designed for security purposes -
you usually don't see this on "consumer" vidcap cards.

What's the hdwe. setup for the cameras? Could this be
applicable or is it just a W.A.G.?

The Event seems to suggest maybe this is what's going on.
Ask the mgfr. of the cap card.
 

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