Date: Thu, 23 Sep 2010 19:42:29 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Ian Smith <smithi@nimnet.asn.au> Cc: FreeBSD Stable <freebsd-stable@freebsd.org>, Bryce <bryce@bryce.net> Subject: Re: SuperMicro i7 (UP) - very slow performance Message-ID: <4C9B8375.4070505@FreeBSD.org> In-Reply-To: <20100924022558.T11124@sola.nimnet.asn.au> References: <mailpost.1285173904.332223.70365.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> <mailpost.1285202775.8039756.86645.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> <4C9B0F2C.20601@FreeBSD.org> <20100924022558.T11124@sola.nimnet.asn.au>
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Ian Smith wrote: > So not looking much like overheating. But don't these messages requoted > below seem at all significant? At least, I've never seen them before: > >> est0: <Enhanced SpeedStep Frequency Control> on cpu0 >> est0: Invalid id16 (set, cur) = (20, 21) >> est0: Can't check freq 2667, it may be invalid >> est0: Invalid id16 (set, cur) = (19, 21) >> est0: Can't check freq 2533, it may be invalid >> est0: Invalid id16 (set, cur) = (18, 21) >> est0: Can't check freq 2400, it may be invalid >> est0: Invalid id16 (set, cur) = (17, 21) >> est0: Can't check freq 2267, it may be invalid >> est0: Invalid id16 (set, cur) = (16, 21) >> est0: Can't check freq 2133, it may be invalid >> est0: Invalid id16 (set, cur) = (15, 21) >> est0: Can't check freq 2000, it may be invalid >> est0: Invalid id16 (set, cur) = (14, 21) >> est0: Can't check freq 1867, it may be invalid >> est0: Invalid id16 (set, cur) = (13, 21) >> est0: Can't check freq 1733, it may be invalid >> est0: Invalid id16 (set, cur) = (12, 21) >> est0: Can't check freq 1600, it may be invalid They are not. It is specifics of EIST behavior on multicore CPUs. It is impossible to test P-states during driver attach (before AP CPUs started). I have already disabled this check for SMP systems. -- Alexander Motin
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