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Re: [libvirt] Problem with libvirt and pci passthrough



Mark McLoughlin schrieb:
On Thu, 2009-07-16 at 13:20 +0200, Mirko Raasch wrote:
On Thu, 2009-07-16 at 11:06 +0200, Mirko Raasch wrote:
Hi,

i´m still having problem with libvirt and pci passthrough, if i use more
then one pci card in the guest.

If i start qemu 0.10.5 manualy, i can use all of the pci devices in the
guest, here is the log: http://nopaste.info/610fa81fb5.html

If i use libvirt to start the guest and passthrough three pci device,
none of the device is usable in the guest:
http://nopaste.info/ccfbfcf9a0.html
What does /var/log/libvirt/qemu/vdr.log say?

Cheers,
Mark.

The log says:

LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin HOME=/root USER=root LOGNAME=root /usr/bin/qemu-system-x86_64 -S -M pc -m 512 -smp 1 -name vdr -uuid 87e7c782-73c4-c0e0-2396-8514b3701a4a -monitor pty -localtime -boot c -drive file=/media/vm/vdr.img,if=ide,index=0,boot=on -net nic,macaddr=54:52:00:49:d0:64,vlan=0,model=virtio -net tap,fd=15,vlan=0 -serial pty -parallel none -usb -vnc 0.0.0.0:2 -k de -pcidevice host=05:00.0 -pcidevice host=05:01.0 -pcidevice host=05:02.0
char device redirected to /dev/pts/1
char device redirected to /dev/pts/2

It looks like libvirt is doing its job correctly.

Try with managed='no' perhaps?

Cheers,
Mark.

I compiled libvirt from cvs: ./autogen.sh --prefix=/usr --without-xen --without-sasl

configure: Configuration summary
configure: =====================
configure:
configure: Drivers
configure:
configure:      Xen: no
configure:    Proxy: no
configure:     QEMU: yes
configure:      UML: yes
configure:   OpenVZ: yes
configure:     VBox: yes
configure:      LXC: yes
configure:      ONE: no
configure:     Test: yes
configure:   Remote: yes
configure:  Network: yes
configure: Libvirtd: yes
configure:    netcf: no
configure:
configure: Storage Drivers
configure:
configure:      Dir: yes
configure:       FS: yes
configure:    NetFS: yes
configure:      LVM: yes
configure:    iSCSI: no
configure:     SCSI: yes
configure:     Disk: no
configure:
configure: Security Drivers
configure:
configure:  SELinux: no
configure:
configure: Driver Loadable Modules
configure:
configure:   dlopen: no
configure:
configure: Libraries
configure:
configure:   libxml: -I/usr/include/libxml2   -lxml2
configure:   gnutls:  -lgnutls -lpthread
configure:     sasl: no
configure:    avahi: no
configure:   polkit: no
configure:  selinux: no
configure:  numactl: no
configure:    capng: no
configure:      xen: no
configure:      hal: no
configure:   devkit: no
configure:    netcf: no
configure:   xmlrpc: no
configure:
configure: Test suite
configure:
configure:    Coverage: no
configure:   Alloc OOM: no
configure:
configure: Miscellaneous
configure:
configure:      Debug: yes
configure:   Warnings: maximum
configure:   Readline: no
configure:

Is this correct or is there a mistake?


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