Date: Thu, 27 Nov 2014 11:28:31 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Ruslan Bukin <br@freebsd.org> Cc: Konstantin Belousov <kostikbel@gmail.com>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, Gleb Smirnoff <glebius@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org> Subject: Re: svn commit: r274914 - in head/sys: kern sys ufs/ffs vm Message-ID: <CAJ-Vmon9OMxvxAp9saOoCEQL%2B7npCt--Q4cyvMHFqDoHFY5iUg@mail.gmail.com> In-Reply-To: <20141127183629.GA83207@bsdpad.com> References: <20141124110537.GA41282@bsdpad.com> <20141124173733.GI17068@kib.kiev.ua> <20141124180356.GA47782@bsdpad.com> <20141124192902.GQ47144@FreeBSD.org> <20141124211620.GA49975@bsdpad.com> <20141125073145.GT47144@FreeBSD.org> <20141125122754.GA57252@bsdpad.com> <20141125152922.GX47144@FreeBSD.org> <20141125173830.GA60905@bsdpad.com> <CAJ-Vmo=vaLj6gR7%2BZ2r_a%2B__DcsAjBEjgWGMSsQedezhi7LNKg@mail.gmail.com> <20141127183629.GA83207@bsdpad.com>
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On 27 November 2014 at 10:36, Ruslan Bukin <br@freebsd.org> wrote: > Hi, > > There is a theory that a problem is related to CPU caches, and it can be BERI-cpu > specific only. > > And sorry I didn't realized virtio was still in the kernel when I was trying > MDROOT (we do dcache operations in virtio). > > The workaround I found is to disable all the instruction cache invalidation calls > (there are a few calls on cpu startup only). > Hm, can we test this on real MIPS hardware, just to be sure? I can spin this up on MIPS24k/MIPS74k hardware early next week. -adrian
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