[Xen-devel] IOMMU issue on HP DL385g7 servers - workaround_bogus_bios / workaround_bug_bios doesn't help

[Mark Schneider <ms@xxxxxxxxxxxxxxxxxxxxxx>]

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@xxxxxxxxxxxxxxxxxxxxxx


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