Mindaugas Rasiukevicius <rm...@netbsd.org> writes: > - DDB_ONPANIC=1 and DDB_COMMANDONENTER="bt;show regsisters" and perhaps > also "call ddb_vgapost" in the beginning (not sure if there are any > potential side effects?). Otherwise, not getting information from DDB > is just counter-productive, plus we get not very useful reports, when > backtrace is missing.
I'd say that at least "call ddb_vgapost" should enter default sysctl.conf, at least commented out. It isn't trivial to learn that the functionality exists, and it is the only way to get to debugger on modern machines without serial interface. -- HE CE3OH...
