Date: Tue, 21 Jun 2011 23:50:31 +0200 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: Jung-uk Kim <jkim@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: Time keeping Issues with the low-resolution TSC timecounter Message-ID: <20110621235031.218151a1@fabiankeil.de> In-Reply-To: <201106211704.04285.jkim@FreeBSD.org> References: <201106171323.43864.jkim@FreeBSD.org> <201106171455.00088.jkim@FreeBSD.org> <201106211653.34894.jkim@FreeBSD.org> <201106211704.04285.jkim@FreeBSD.org>
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--Sig_/HH7isy67hN.ZbluvZgQflo3 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Jung-uk Kim <jkim@FreeBSD.org> wrote: > On Tuesday 21 June 2011 04:53 pm, Jung-uk Kim wrote: > > Can you please try the attached patch? It should disable > > TSC/TSC-low timecounter for your CPU models, I think. >=20 > Sorry, I attached a wrong patch. Please ignore the previous one and=20 > try this, instead. Works for me: fk@r500 ~ $dmesg | grep TSC Calibrating TSC clock ... TSC clock: 1995045800 Hz Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG= E,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> TSC: P-state invariant, performance statistics TSC timecounter disabled: C3 enabled. Timecounter "TSC" frequency 1995045800 Hz quality -1000 Thanks a lot. Fabian --Sig_/HH7isy67hN.ZbluvZgQflo3 Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (FreeBSD) iEYEARECAAYFAk4BEisACgkQBYqIVf93VJ1KtgCfQmF95gQVdRSUYAcv6ml0icFy zTAAn1LkWZbNe8cRyeOfLdk6l+XCPfOv =dKhq -----END PGP SIGNATURE----- --Sig_/HH7isy67hN.ZbluvZgQflo3--
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