Joanna Rutkowska
2010-Mar-29 09:54 UTC
Fwd: Re: [Xen-devel] collecting info on platforms with VT-d BIOS Samsung X460
Forgot to reply to the list. -------- Original Message -------- Subject: Re: [Xen-devel] collecting info on platforms with VT-d BIOS Samsung X460 Date: Mon, 29 Mar 2010 11:52:45 +0200 From: Joanna Rutkowska <joanna@invisiblethingslab.com> To: Pasi Kärkkäinen <pasik@iki.fi> On 03/29/2010 09:20 AM, Pasi Kärkkäinen wrote:> On Fri, Jan 22, 2010 at 04:22:08PM -0800, Kay, Allen M wrote: >> We would like to collect information on platforms that have problem with VT-d PCI device passthrough using non-IGD PCI devices. Note that IGD (integrated display device) device passthrough code is still being worked on. >> >> If you have encountered VT-d problems on a particular platform using latest xen-unstable, please provide the following information so that we can work with OEM''s to get their BIOS''s fixed: >> >> (a) Platform details (OEM, Product/Model#, Other identifying info) >> (b) BIOS version/number >> (c) Version of Xen with which failure is seen (if not the latest xen-unstable) >> (d) Specific error/failure details such as serial log >> >> Thanks! >> > > I have a Supermicro motherboard with broken BIOS regarding VT-d ACPI DMAR tables. > See this thread for more information: http://lists.xensource.com/archives/html/xen-devel/2010-03/msg01477.html > > Model: Supermicro X7SB4 > BIOS: Version 1.2a (latest available) > Xen: 4.0.0-rc8 (latest xen-unstable) > Errors: (XEN) [VT-D]dmar.c:371: Invalid ACPI DMAR entry length: 0x0 > > More information about the error here: http://lists.xensource.com/archives/html/xen-devel/2010-03/msg01476.html >I can also add Samsung X460 laptop to this list. It is based on PM45 chipset (which does have VT-d), but the broken X460 BIOS doesn''t expose DMAR table, so no VT-d on this machine. joanna. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel