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[Xen-devel] IOMMU issue on HP DL385g7 servers - workaround_bogus_bios /

To: xen-devel@xxxxxxxxxxxxxxxxxxx, ms@xxxxxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] IOMMU issue on HP DL385g7 servers - workaround_bogus_bios / workaround_bug_bios doesn't help
From: Mark Schneider <ms@xxxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 13 Jul 2011 16:05:54 +0200
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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


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