From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20021003

Description of problem:
Kernel hangs during cd/cdr creation, after wome writing to the device.
System is IBM TP-T21 using IMB DVD-CDRW

Symptoms observed at hang:
1. Scroll lock and caps lock indicator lights flashing in sync.
2. Keyboard dead.
3. Mouse dead.
4. Clock (in Gnome desktop) has stopped updating.
5. CD activity light is off.

Version-Release number of selected component (if applicable):
kernel-2.4.20-13.8

How reproducible:
Always

Steps to Reproduce:
1.Attempt to quick-erase a CDRW using burncenter (command line utility) or gtoaster.
    

Actual Results:  System hangs

Expected Results:  CD ejects

Additional info:

Current bypass is to revert to kernel 2.4.18-28.8.0

See attachment to review /var/log/messages