Date: Thu, 9 Apr 2015 11:52:33 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Gustau P?rez <gperez@entel.upc.edu>, freebsd-current@freebsd.org Subject: Re: No IOMMU/DMAR with DELL 3020 Message-ID: <20150409085233.GD1394@zxy.spb.ru> In-Reply-To: <20150409083512.GG2390@kib.kiev.ua> References: <552635A5.5070707@entel.upc.edu> <20150409082128.GF2390@kib.kiev.ua> <5526381A.3010909@entel.upc.edu> <20150409083512.GG2390@kib.kiev.ua>
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On Thu, Apr 09, 2015 at 11:35:12AM +0300, Konstantin Belousov wrote: > On Thu, Apr 09, 2015 at 10:28:10AM +0200, Gustau P?rez wrote: > > Yup, sorry for the error. I checked the micro in the ark and it has vt-d: > > > > http://goo.gl/CZZRHz > It only indicates that the CPU/northbridge has the hardware, but BIOS must > do a work to configure it and to inform the OS about the configuration. > Your BIOS did not. > > > > > in the bios, there's only one option to enable virtualization > > support, which is ticked. > > > > The complete log is here: > > > > http://dpaste.com/28FDMJQ > > > Dmesg would not give you any useful information there. A DMAR table > is either present, or is it not. In the later case, OS cannot use the > hardware, and if no option in BIOS is present, your only choice is to > complain to the machine/BIOS vendor. May be some OS utilites can do same work? This is theoretically capable?
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