I have add relevant options into my kernel (7.0-CURRENT) configuration
file:
makeoptions DEBUG=-g
options KDB
options DDB
options GDB
options INVARIANTS
options INVARIANT_SUPPORT
options WITNESS
options WITNESS_SKIPSPIN
When kernel panics, the prompt "db>" will appear. But at this time
I cannot control my computer with keyboard any longer. What's wrong
with me?
In my mind, both 7.0-CURRENT and 6.x-STABLE halt a year ago are
all right in ddb(4).
By the way, the loader(8) option "-a" (to let user decide which file
system is taken as root file system) is also unusable.
------------------------------------------------------------------------
From Beijing, China
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