Date: Sat, 21 Jan 2012 19:25:13 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: new panic in cpu_reset() with WITNESS Message-ID: <4F1AF4F9.9030707@FreeBSD.org> In-Reply-To: <4F1ABFF3.9090305@FreeBSD.org> References: <20120117110242.GD12760@glebius.int.ru> <20120120154158.GD16676@FreeBSD.org> <4F1ABFF3.9090305@FreeBSD.org>
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on 21/01/2012 15:38 Andriy Gapon said the following: > on 20/01/2012 17:41 Gleb Smirnoff said the following: >> >> On Tue, Jan 17, 2012 at 03:02:42PM +0400, Gleb Smirnoff wrote: >> T> New panic has been introduced somewhere between >> T> r229851 and r229932, that happens on shutdown if >> T> kernel has WITNESS and doesn't have WITNESS_SKIPSPIN. >> >> I've run through binary search and panic was introduced >> by r229854. >> > > Which means that it was introduced by one of the earlier commits (probably > mine). Thank you for this investigative work! > Although, to be frank and honest, I still don't see how the problem could be > a non-issue before. BTW, just to be sure, does the problem go away when kern.stop_scheduler_on_panic is set to zero? -- Andriy Gapon
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