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Chapter 4 Troubleshooting and Technical Support 39
Hung or frozen
workstation: No
response from mouse
or keyboard or any
application.
1. Try to access your system from a different workstation on the network.
2. From a terminal window type: ping hostname
3. If no response, remotely log in from another system using telnet or rlogin, and
ping the system again.
4. Attempt to kill processes until the system responds. (See the procedures for “Hung
Application” in this table.)
If the above procedures do not work:
Caution: Only experienced system administrators should use a “Stop” command.
Using any “Stop” command might cause loss of core dumps, which makes it difficult
to diagnose system problems.
1. Press Stop-A. If the system responds, the system displays the ok prompt.
2. Try to force a core file dump. At the ok prompt, type this command: sync
Note: The default location for a core file deposit is: /var/crash/hostname
The Sun Service Support Center might request the core file for root cause analysis.
If the above procedures do not work:
1. Press the Power button to power off the system.
2. Wait 20 to 30 seconds and power on the system.
Note: When you power on the system again, you might need to run fsck to repair
damaged links. If the system still does not function properly, contact Sun Service
Support.
For more troubleshooting information see the Sun Blade 2500 Service, Diagnostics, and Troubleshooting
Manual (817-5117).
TABLE 4-1 Troubleshooting Procedures (Continued)
Symptom Troubleshooting