SGI Kernel Debugger - http://oss.sgi.com/projects/kdb
kdb v1.3 is available for ix86 with patches against kernels
2.4.0-test1, 2.4.0-test1-ac21 and 2.4.0-test2-pre11.
You need modutils >= 2.3.11 to use kdb v1.2+.
Changes from v1.2:
Hook kdb into NMI watchdog (Ted Kline, me)
lsmod, rmmod kdb commands (Marc Esipovich)
Take input from serial or PC keyboard (Andi Kleen)
Some page commands are available are available even without PAGEBUF (me)
Handle .text.lock in modules (me)
Correct btp command for active tasks (me)
Fix bt <stack_address> (me)
Handle zero EIP (me)
Port to recent kernels (me)
Happy debugging.
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