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Re: HEADS UP: panic behaviour changed
Date: Sat, 31 Jan 2009 13:21:12 +0100
From: Johnny Billquist <bqt%softjar.se@localhost>
| What do you mean by this? Have you just changed the default of
| ddb.onpanic to 0?
I also wasn't sure, so I went and tool a look. As best I can tell, the
answer to your question is "yes" - but it applies if, and only if
there's no "options DDB_ONPANIC=N" in the system config file.
With that, if the option isn't given, having it default to "on" seems
totally backwards to me, if you want ddb.onpanic=1 you can either set
it in sysctl.conf or in the kernel config file.
i386's GENERIC config (at least) contains ...
#options DDB_ONPANIC=1 # see also sysctl(8): `ddb.onpanic'
which I would have always interpreted as meaning that the option exists,
set it to 1 to get its effect, but that in the default config it isn't set
(and that sysctl could set it).
But that wasn't the effect at all, commenting it out caused it to be set,
which is just totally bizarre.
The change changes things to the way it should be, it should also get pulled
up to NetBSD 5 (but not NetBSD 4).
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