Hp-Ux System Hang; Monitor Halts - HP 3000 Series Handbook

For HP Internal Use Only
Note
The four-digit chassis code is visible on the system console.
"
To see a line of status information on the console (including the four-digit
chassis code):
1. Set the Service/Normal switch on the CPU card to the Service position.
2. At the system console, enter
[Control)
lJ2J
to enter Access Port control mode.
3. Look on the bottom line of the display for status information.
HP-UX System Hang
Use the recovery procedure in Table 5-16 to resolve the problem.
Table 5-16. System Hang Symptoms and Solutions
Symptoms Recovery Procedure
1. The machine is running (the green Run light 1. If possible, wait about 15 minutes to see if
is lit), but no one can access the system.
the computer is really hung or if it has
12
The system console may or may not be hung.
I
performance problem. With some
performance problems, a computer may not
respond to user input for 15 min. or longer.
2. If
the computer is really hung, perform a soft
reboot on the machine by issuing a "TC"
command. (Do NOT use the "RS" command
if possible; "RS" may destroy important
troubleshooting information.)
3.
Save the memory dump file and call the HP
Response Center to have it analyzed.
Monitor Halts
A monitor halt can be caused by either software or hardware.
The console may not show a message describing the condition.
The sequence of hex codes begins with a "BxOO" to distinguish it from the Bx07 "system halt
7" characteristic of system abort sequences.
Use the recovery procedure in Table 5-17 to resolve the problem.
Table 5-17. Monitor Halt Symptoms and Solutions
Symptoms
Recovery Procedure
1. System halts
1. Record error message on console if one
2.
All user activity stops.
appears.
3. No message on console (usually).
2. Record the sequence of 4-digit codes at
4. Orange Fault LED is lit.
bottom of console display. (Press
(Control}-(])
5. Sequence of 4-digit codes at bottom of
first.)
console display. (Press
(Control)-@
first.)
3. Take a memory dump. Refer to the "Taking
One of the codes is BxOO.
a Memory Dump" section for more
information.
4. Restart the system when dump is finished.
Troubleshooting 5-21