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3b) Collecting System Hangs
Note: this type of crash may also be requested for an application hang by engineering.
CONFIGURE WINDOWS FOR A MEMORY DUMP:
Review MS KB article 254649 for an overview of memory dump file options for Windows Server 2003, Windows XP, and Windows 2000.
Instructions:
- Click Start > Settings > Control Panel and double-click System
- On the Advanced tab, click Settings in the Startup and Recovery section.
- Ensure the Write Debugging Information drop down box has Kernel memory dump selected and note the Dump File: location window as this is where the dump file(s) will be saved.
Note: Only collect a complete memory dump when request by IBM Rational Client Support.
- Ensure Overwrite any existing file is checked.
- Ensure the Automatically restart box is checked.
Example Kernel memory dump screenshot (from XP):
Example Complete memory dump screenshot (from XP):
CONFIGURE STOP EVENT: To configure the Stop Event, you will need to make a registry change on the host.
To add an entry to the registry:
- Click Start > Run > type: regedit
- Navigate to the subkey
HKLM\System\CurrentControlSet\Services\i8024prt\Parameters
- Select the Parameters subkey, and then click Add Value from the Edit menu.
- In the Add Value dialog box, in the Value Name box type CrashOnCtrlScroll, in the Data Type box select REG_DWORD, and then click OK.
- Double-click the CrashOnCtrlScroll entry. In the DWORD Editor dialog box, type 1 in the Data box and then click OK.
- Close Regedit, and restart your computer. After the computer has restarted, you can generate a stop event.
Refer to Microsoft KB article 244139 Windows feature lets you generate a memory dump file by using the keyboard for further details.
GENERATE STOP EVENT: Press and hold the right Ctrl key (the left Ctrl key will not allow you to generate a stop event), and then press the Scroll Lock (ScrLk) key twice.
A stop event will occur, and a stop error will be displayed with the following message:
*** STOP: 0x000000E2 (0x00000000, 0x00000000, 0x00000000, 0x00000000) The end-user manually generated the crashdump.
After generating a stop event, the computer will be inoperable until it has been restarted. After the restart, complete functionality will be restored.
Send the dump file to IBM Rational Client Support for analysis.
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