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Re: [libvirt] [PATCH 0/8] Various KVM PCI device assignment improvements



Hi,

thanks for you improvements.

I updated libvirt with git and tried to passthrough two pci devices to a linux guest.

<hostdev mode='subsystem' type='pci' managed='yes'>
     <source>
       <address domain='0x0000' bus='0x05' slot='0x01' function='0x0'/>
     </source>
   </hostdev>
   <hostdev mode='subsystem' type='pci' managed='yes'>
     <source>
       <address domain='0x0000' bus='0x05' slot='0x03' function='0x0'/>
     </source>
   </hostdev>

In the guest, only one of them works and after the shutdown of the guest, i got a segfault on the host.

libvirtd[15363]: segfault at 38 ip 0000000000421164 sp 00007fff59d1dfb0 error 4 in libvirtd[400000+6d000]

I use kernel 2.6.30-4 on the host.

What did i wrong?

Greetings



Hi,
        Here's a fairly mixed set of KVM PCI device assignment
improvements:

  - Add hotplug support

  - Allow PM reset on multi-function devices

  - Allow Secondary Bus Reset even if it causes other devices to be
    reset, so long as those other devices are in use by the same
    VM or are unused

  - Re-attach devices when the guest shuts down

  - Properly detect versions of QEMU without -pcidevice support

Cheers,
Mark.

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