Re: Cannot break into DDB

[Paul Goyette <paul%whooppee.com@localhost>]

On Thu, 10 Aug 2023, Emmanuel Dreyfus wrote:

> Hello
>
> I have a 9.3/i386 kernel with DDB option built-in.
> I did sysctl -w hw.cnmagic=12345
>
> Now on the console, if I type 123456 the 5 will be ommitted and I
> will not drop into DDB. It displays 12346
>
> It does not folow hw.cnmagic value. For instance if hw.cnmagic=a
> I can type as many a that I want on the console, I never drop into
> DDB, and no a is ever displayed.
>
> Anyone has an idea why?
>
> Proof that DDB is built-in;
> # sysctl ddb
> ddb.radix = 16
> ddb.maxoff = 1048576
> ddb.maxwidth = 80
> ddb.lines = 24
> ddb.tabstops = 8
> ddb.onpanic = 0
> ddb.fromconsole = 0

Change this to

	ddb.fromconsole = 1

> ddb.tee_msgbuf = 0
> ddb.commandonenter =
> ddb.panicstackframes = 65535
> ddb.dumpstack = 1
>
>
> --
> Emmanuel Dreyfus
> manu%netbsd.org@localhost
>
> !DSPAM:64d4d11036231714474243!

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