Date: Sun, 22 Jan 2012 20:35:39 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Andriy Gapon <avg@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: new panic in cpu_reset() with WITNESS Message-ID: <20120122163539.GF16676@glebius.int.ru> 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 Sat, Jan 21, 2012 at 03:38:59PM +0200, Andriy Gapon wrote: A> on 20/01/2012 17:41 Gleb Smirnoff said the following: A> > A> > On Tue, Jan 17, 2012 at 03:02:42PM +0400, Gleb Smirnoff wrote: A> > T> New panic has been introduced somewhere between A> > T> r229851 and r229932, that happens on shutdown if A> > T> kernel has WITNESS and doesn't have WITNESS_SKIPSPIN. A> > A> > I've run through binary search and panic was introduced A> > by r229854. A> > A> A> Which means that it was introduced by one of the earlier commits (probably A> mine). Thank you for this investigative work! A> Although, to be frank and honest, I still don't see how the problem could be A> a non-issue before. I can confirm that I can reboot succesfully with a new kernel and kern.stop_scheduler_on_panic=0. -- Totus tuus, Glebius.
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