Date: Thu, 9 Apr 2015 10:38:39 +0200 From: =?windows-1252?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com> To: Konstantin Belousov <kostikbel@gmail.com>, Gustau P?rez <gperez@entel.upc.edu> Cc: freebsd-current@freebsd.org Subject: Re: No IOMMU/DMAR with DELL 3020 Message-ID: <55263A8F.7050002@citrix.com> 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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Hello, El 09/04/15 a les 10.35, Konstantin Belousov ha escrit: > 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. Check also if there's any BIOS update from the manufacturer. Roger.
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