Date: Mon, 01 Feb 2010 17:52:29 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-hardware@freebsd.org Subject: Re: FreeBSD 8.0, Intel Xeon E5530, Dell R410, only 2 cores available Message-ID: <hk70sc$lr$1@ger.gmane.org> In-Reply-To: <65BCAB515656D34AA48B0E713966CC8305F7A8@MBX021-E2-NJ-5.exch021.domain.local> References: <65BCAB515656D34AA48B0E713966CC83046A64@MBX021-E2-NJ-5.exch021.domain.local> <hk6p56$3ac$1@ger.gmane.org> <65BCAB515656D34AA48B0E713966CC8305F7A8@MBX021-E2-NJ-5.exch021.domain.local>
next in thread | previous in thread | raw e-mail | index | archive | help
On 02/01/10 17:37, Hoang V.D. | Creative Solutions GmbH wrote: > Thank you. > >> -----Original Message----- >> From: owner-freebsd-hardware@freebsd.org [mailto:owner-freebsd- >> hardware@freebsd.org] On Behalf Of Ivan Voras >> Sent: Monday, February 01, 2010 3:41 PM >> To: freebsd-hardware@freebsd.org >> Subject: Re: FreeBSD 8.0, Intel Xeon E5530, Dell R410, only 2 cores available >> >> Your CPU count is wrong. The topology might be wrong for Nehalems but it >> would be wrong in a different way. >> >> Before you can debug the FreeBSD side you should first make the hw.ncpu >> setting equal the "right" total number of logical CPUs available, e.g. >> by configuring your BIOS, upgrading your BIOS, etc. >> >> After you configure your BIOS to recognize all the CPUs, you can proceed, if >> necessary, to debug the CPU topology. > > Unfortunately we are ourselves over 900km away from the server. It was shipped > to the datacenter and we had no sight of it. We have asked the guys at the > hosting company to look at the BIOS last week to see if HT is disabled and they > said there is no such option, only the option to turn on/off VT. > > Their Technical Guidebook for the R410 doesn't say much, neither > > http://www.dell.com/downloads/global/products/pedge/en/PowerEdge_R410_Technical_Guidebook.pdf > > Just a mention about "Simultaneous Multi-Threading (SMT) support" as a feature > of the BIOS. We also find this doc about how they enumerate the cores and threads > > http://www.dell.com/downloads/global/shared/dual_core_dell_os.pdf > > but that was pretty old and only applies to dual-core. > > We will ask the guys at the datacenter to carefully check the BIOS again. Like > I wrote, we didn't touch the settings preset by Dell. > > Thank you for your help. While they are checking, tell them to try and upgrade the BIOS.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?hk70sc$lr$1>