Mailing List Archive

[Bug 1700] New: PCIe switch that does not support or enable ACS
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1700

Summary: PCIe switch that does not support or enable ACS
Product: Xen
Version: unstable
Platform: x86-64
URL: http://xen.1045712.n5.nabble.com/PCIe-switch-that-does-
not-support-or-enable-ACS-td3320277.html
OS/Version: Linux-2.6
Status: NEW
Severity: normal
Priority: P2
Component: 2.6.18 domU
AssignedTo: xen-bugs@lists.xensource.com
ReportedBy: m.wessler@gmx.ch


Hi Folks:

I am not able to add HP Intel 4Port PCIe to a linux hvm domain. HW is a HP
DC7900 and Xen is 4.0.1.

ErrorMessage:
VmError: pci: to avoid potential security issue, 0000:22:00.0 is not allowed to
be assigned to guest since it is behind PCIe switch that does not support or
enable ACS.

I also added in /etc/xen/xend-config.sxp:

pci-passthrough-strict-check no
pci-dev-assign-strict-check no

but no success.

Same HW Configuration works without any changes under xen 3.2.1 !

Thanks for your help !

Regards,
Maik


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