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Old 09-17-2007, 04:30 PM   #1
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Computer completely locks up, seemingly at random


My computer sometimes stops working.

(1) First there is a loud clicking sound, close to the sound of a grandfather clock.

(2) Then the peripherals stop working; no number lock light.

(3) The harddrive light is usually lit up continuously at this time.

(4) Waiting patiently for half an hour does not resolve the situation.

(5) Have tried on distributions Debian and Ubuntu, with full official updates installed.

(6) I have checked /var/log/messages. Approaching the time of the lock-up I see:

Code:
Sep 17 12:28:27 zen gconfd (root-3179): SIGHUP received, reloading all databases
Sep 17 12:28:27 zen gconfd (root-3179): Resolved address "xml:readonly:/etc/gconf/gconf.xml.mandatory" to a read-only configuration source at position 0
Sep 17 12:28:27 zen gconfd (root-3179): Resolved address "xml:readwrite:/root/.gconf" to a writable configuration source at position 1
Sep 17 12:28:27 zen gconfd (root-3179): Resolved address "xml:readonly:/etc/gconf/gconf.xml.defaults" to a read-only configuration source at position 2
Sep 17 12:28:27 zen gconfd (root-3179): Resolved address "xml:readonly:/var/lib/gconf/debian.defaults" to a read-only configuration source at position 3
Sep 17 12:28:27 zen gconfd (root-3179): Resolved address "xml:readonly:/var/lib/gconf/defaults" to a read-only configuration source at position 4
Sep 17 12:28:27 zen gconfd (root-3179): GConf server is not in use, shutting down.
Sep 17 12:28:27 zen gconfd (root-3179): Exiting
Sep 17 12:28:50 zen gconfd (root-3472): starting (version 2.16.1), pid 3472 user 'root'
Sep 17 12:28:50 zen gconfd (root-3472): Resolved address "xml:readonly:/etc/gconf/gconf.xml.mandatory" to a read-only configuration source at position 0
Sep 17 12:28:50 zen gconfd (root-3472): Resolved address "xml:readwrite:/root/.gconf" to a writable configuration source at position 1
Sep 17 12:28:50 zen gconfd (root-3472): Resolved address "xml:readonly:/etc/gconf/gconf.xml.defaults" to a read-only configuration source at position 2
Sep 17 12:28:50 zen gconfd (root-3472): Resolved address "xml:readonly:/var/lib/gconf/debian.defaults" to a read-only configuration source at position 3
Sep 17 12:28:50 zen gconfd (root-3472): Resolved address "xml:readonly:/var/lib/gconf/defaults" to a read-only configuration source at position 4
Sep 17 12:40:23 zen gconfd (root-3472): SIGHUP received, reloading all databases
Sep 17 12:40:24 zen gconfd (root-3472): Resolved address "xml:readonly:/etc/gconf/gconf.xml.mandatory" to a read-only configuration source at position 0
Sep 17 12:40:24 zen gconfd (root-3472): Resolved address "xml:readwrite:/root/.gconf" to a writable configuration source at position 1
Sep 17 12:40:24 zen gconfd (root-3472): Resolved address "xml:readonly:/etc/gconf/gconf.xml.defaults" to a read-only configuration source at position 2
Sep 17 12:40:24 zen gconfd (root-3472): Resolved address "xml:readonly:/var/lib/gconf/debian.defaults" to a read-only configuration source at position 3
Sep 17 12:40:24 zen gconfd (root-3472): Resolved address "xml:readonly:/var/lib/gconf/defaults" to a read-only configuration source at position 4
I am uncertain if these messages are connected to the lock-up problem. Where do I begin to diagnose this problem?

Assistance much appreciated.
 
Old 09-17-2007, 04:48 PM   #2
lebabyg
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Loud Clicking sound, would indicate to me Hard drive failure is imminent, especially when followed by a total freeze of the OS. Have you got a Win install to check if this happens on? How old is the hard drive? I would suggest backing everything up IMMEDIATELY and getting a new hard drive.....
 
Old 09-17-2007, 05:20 PM   #3
Electro
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I agree with lebabyg. If the computer is old (greater than two years), the power supply might also be failing. Another thing that could also be is a heat problem, so I suggest clean inside the computer case. Use only compress air, but never use a vacuum cleaner. A vacuum cleaner creates ions at the nozzle which can be several thousands of volts. Ions are like static electricity that have a lot lower current rating.
 
Old 09-17-2007, 05:28 PM   #4
osor
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Have you tried any hard drive testing (e.g., badblocks or smartmontools)?
 
  


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