Date: Tue, 24 Jul 2018 13:01:47 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Ed Maste <emaste@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: i386 top reporting nan% or inf% WCPU Message-ID: <201807242001.w6OK1lFG002262@slippy.cwsent.com> In-Reply-To: Message from Konstantin Belousov <kostikbel@gmail.com> of "Tue, 24 Jul 2018 21:17:03 %2B0300." <20180724181703.GK65334@kib.kiev.ua>
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In message <20180724181703.GK65334@kib.kiev.ua>, Konstantin Belousov writes: > On Tue, Jul 24, 2018 at 01:43:55PM -0400, Ed Maste wrote: > > I recently merged my work in progress tree up to r336665 and built a > > i386 VM image. Running the image in QEMU (qemu-system-x86_64) and > > executing 'top' I see the WCPU column reported as either nan% or inf% > > for all processes. > > > > Prior to today I hadn't built or tested i386 in a while, so I am not > > sure off hand if this is a recent issue. amd64 is fine. Is anyone else > > seeing this? > > I believe this is a qemu bug. Their FPU emulation is very basic, at least > it was so several years ago, when not using accelerated emulation. Just tested on the i386 slice on my laptop. No problems there. -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few.
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