From owner-freebsd-current@FreeBSD.ORG  Tue Dec 20 14:00:21 2011
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Date: Tue, 20 Dec 2011 16:00:15 +0200
From: Andriy Gapon <avg@FreeBSD.org>
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To: John Baldwin <jhb@FreeBSD.org>
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Cc: mdf@FreeBSD.org, "O. Hartmann" <ohartman@zedat.fu-berlin.de>,
	freebsd-current@FreeBSD.org, Robert Watson <rwatson@FreeBSD.org>
Subject: Re: Sleeping thread (tid 100033,
 pid 16): panic in FreeBSD 10.0-CURRENT/amd64 r228662
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on 20/12/2011 15:52 John Baldwin said the following:
> -#ifdef DDB
> -			db_trace_thread(td, -1);
> +#ifdef STACK
> +			stack_zero(&st);
> +			stack_save_td(&st, td);
> +			stack_print_ddb(&st);
>  #endif

This leads to an idea - what about an umbrella stack_print() that would call the
best stack printing routine, if any, based on their availabilities (STACK, DDB,
etc?).

P.S. Sorry to hijack the thread.

-- 
Andriy Gapon