Date: Thu, 1 Jul 2010 09:15:51 -0700 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: GNUbie <gnubie@gmail.com> Cc: michal@ionic.co.uk, freebsd-stable@freebsd.org Subject: Re: Unable to boot FreeBSD 8.0-p3 Message-ID: <20100701161551.GA99011@icarus.home.lan> In-Reply-To: <AANLkTinA3RRu1WWL0sEjszYNontr4gKtXXEuoKw8MP-e@mail.gmail.com> References: <AANLkTillIqfkqfR_onhuliReFPLQ9kIq45VCbjz65mxI@mail.gmail.com> <4C280435.4060603@halplant.com> <AANLkTikwdCrsU2VH0BRZWPiFb4qIEIa-xn5z4-qnrDIE@mail.gmail.com> <AANLkTik311un3tpWYNLIFMg9g8n5M0SkWswpTxf3Sjgu@mail.gmail.com> <AANLkTilZW4DVFChouPCpx0S661zzq3EtonpJIU341gBD@mail.gmail.com> <AANLkTim8R-lZxCKqgXEIGqSG0FWewr2sxVQxZ1v1FwM5@mail.gmail.com> <AANLkTikPpVhtRgoR-Hjf84hsmphySY4ta-es30nBv-Mo@mail.gmail.com> <4C2CBC30.4060504@ionic.co.uk> <AANLkTinA3RRu1WWL0sEjszYNontr4gKtXXEuoKw8MP-e@mail.gmail.com>
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On Fri, Jul 02, 2010 at 12:06:06AM +0800, GNUbie wrote: > Hello Michal, > > On Fri, Jul 2, 2010 at 12:02 AM, Michal <michal@ionic.co.uk> wrote: > > > >> I am currently running memtest86 here on my livecd. If there is no > >> error, then this could be something else. > > > > I've seen memtest pass but it still be a RAM problem. > > So, what can you recommend in order to confirm if the RAM is faulty or not? Simple: replace the RAM, file for an RMA, etc.. If there's no warranty or the warranty has expired and you need brand recommendations for a new purchase: Crucial is excellent, avoid Corsair at all costs. There is no software-based RAM tester available for PC architecture that can stress-test RAM 100% reliably. Proper memory analysers are almost always hardware and do a multitude of tests (hard and soft failures, ECC analysis, voltage regulator stress tests, and thermal stress tests). An old job of mine required me to use one of these on a daily basis, testing for bad RAM from Sun IPC/IPX and UltraSparc boxes. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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