Date: Sun, 27 Jan 2013 09:27:49 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Andriy Gapon <avg@freebsd.org> Cc: freebsd-stable@freebsd.org, Ian Lepore <ian@freebsd.org> Subject: Re: time issues and ZFS Message-ID: <CAJ-VmokZV2g3%2BTFJAFNnJ1MD%2BigrLxN9fGd4267UmPJMWsX-aw@mail.gmail.com> In-Reply-To: <5103ACAE.5060406@FreeBSD.org> References: <E1TxFcr-0006dx-MX@kabab.cs.huji.ac.il> <1358780588.32417.414.camel@revolution.hippie.lan> <E1TxJP2-000DS8-DJ@kabab.cs.huji.ac.il> <1358783667.32417.434.camel@revolution.hippie.lan> <CAJ-Vmo=2Dmf4Lb-uoUQDrybyRSS=_bnV5KcNYGg5MnMxfhhu7w@mail.gmail.com> <E1TxYHa-0002yo-4Y@kabab.cs.huji.ac.il> <CAJ-VmomdQORjs55ooW55Rgg0i1M13PPtnmCPRrp__btEWQz=4g@mail.gmail.com> <E1TxaZv-0005fj-5m@kabab.cs.huji.ac.il> <CAJ-VmokQbZFGmmy=KkEmP%2B7a6DQRGhdgupqF4sNCGJYxvA-B0g@mail.gmail.com> <50FFFA8B.4040008@FreeBSD.org> <CAJ-Vmon7pT6=UJ5ppRO_3SWRw-QM9W2Bz1=ffq2ovjxHGyOUrA@mail.gmail.com> <5103ACAE.5060406@FreeBSD.org>
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On 26 January 2013 02:15, Andriy Gapon <avg@freebsd.org> wrote: > on 23/01/2013 18:20 Adrian Chadd said the following: >> It may be a quirk of an older 9.x, which is fixed in -HEAD. It may be >> a quirk of the older generation celeron hardware - in which case, we >> need to tell the user somehow.. > > This is not software related at all. It's the hardware feature (or its absence). > I wonder if your celerons report PBE feature. What am I looking for? And personally, requiring (much) more recent hardware to get sane/correct (btu inefficient) behaviour out of the timekeeping framework is a little .. suboptimal. :) Adrian
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