Re: Xen 4.10.x and PCI passthrough

["Andreas Kinzler" <hfp@posteo.de>]

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Hello Roger,

>> Some weeks ago I tried a quite new version of Xen 4.10.2-pre  
>> (http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=a645331a9f4190e92ccf41a950bc4692f8904239)
>> and the PCI card (LSI SAS HBA) using Windows 2012 R2 as a guest.  
>> Everything
>> works but only to the point where Windows reboots -> then the card is no
>> longer usable. If you destroy the domain and recreate the card again  
>> Did I miss something simple or should we analyze the problem again using
>> similar debug prints as before?
> Not sure, but it doesn't look to me like this issue is related to the
> one fixed by the patches mentioned above, I think this is a different
> issue, and by the looks of it it's a toolstack issue.
> Can you paste the output of `xl -vvv create <config.cfg>` and the
> contents of the log that you will find in
> /var/log/xen/xl-<domain-name>.log after you have attempted a reboot?

xl-domain.log is attached. From what I can see, the problem is that the  
card is deleted after domid 3 and not added back later. To confirm I ran  
"xl pci-list winsrv" during domid 3 and the card is shown. After Windows  
reboot (domid 4) "xl pci-list winsrv" gives an empty output.

Regards Andreas

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