From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Schneider Subject: IOMMU issue on HP DL385g7 servers - workaround_bogus_bios / workaround_bug_bios doesn't help Date: Wed, 13 Jul 2011 16:05:54 +0200 Message-ID: <4E1DA642.9080500@it-infrastrukturen.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com, ms@it-infrastrukturen.org List-Id: xen-devel@lists.xenproject.org Hello, I have cretaed wheezy xen 4.1 debian live image (s. the link below to it) but even I tried different boot options like "iommu=1 | workaround_bios_bug | workaround_bogus_bios" I am getting such entry "(XEN) AMD-Vi: IOMMU not found!" in the log (s. for more details in http://www.it-infrastrukturen.com/fileadmin/linux/paste/xm_dmesg.xen41_on_DL385g7_NOK.txt ) link to xen 4.0 (squeeze) and xen 4.1 (wheezy) debian live images - http://www.it-infrastrukturen.com/fileadmin/linux/debian-live-xen/README.xen do you have any idea how to solve this issue? - thank you in advance for any hints (different one than killing the hardware vendor (HP) ;) ... for the missing IOMMU BIOS option Linux xen41dom0 2.6.39-2-amd64 #1 SMP Wed Jun 8 11:01:04 UTC 2011 x86_64 GNU/Linux Thank you in advance for any hints. Regards, Mark -- ms@it-infrastrukturen.org