[Xen-devel] Xen-unstable 4.13.0-rc0 problem starting guest while trying to passthrough multiple pci devices

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Hi Anthony,

While testing xen-unstable 4.13.0-rc0 I ran in to the following issue:

When passing through all 8 functions of a pci(e) device I can't start the guest 
anymore, note that the trouble only starts at 0:9:0.3, not at 0:9:0.0:
        libxl: error: libxl_qmp.c:1270:qmp_ev_connect: Domain 3:Failed to 
connect to QMP socket /var/run/xen/qmp-libxl-3: Resource temporarily unavailable
        libxl: error: libxl_pci.c:1702:device_pci_add_done: Domain 
3:libxl__device_pci_add  failed for PCI device 0:9:0.3 (rc -3)
        libxl: error: libxl_qmp.c:1270:qmp_ev_connect: Domain 3:Failed to 
connect to QMP socket /var/run/xen/qmp-libxl-3: Resource temporarily unavailable
        libxl: error: libxl_pci.c:1702:device_pci_add_done: Domain 
3:libxl__device_pci_add  failed for PCI device 0:9:0.4 (rc -3)
        libxl: error: libxl_qmp.c:1270:qmp_ev_connect: Domain 3:Failed to 
connect to QMP socket /var/run/xen/qmp-libxl-3: Resource temporarily unavailable
        libxl: error: libxl_pci.c:1702:device_pci_add_done: Domain 
3:libxl__device_pci_add  failed for PCI device 0:9:0.5 (rc -3)
        libxl: error: libxl_qmp.c:1270:qmp_ev_connect: Domain 3:Failed to 
connect to QMP socket /var/run/xen/qmp-libxl-3: Resource temporarily unavailable
        libxl: error: libxl_pci.c:1702:device_pci_add_done: Domain 
3:libxl__device_pci_add  failed for PCI device 0:9:0.6 (rc -3)
        libxl: error: libxl_qmp.c:1270:qmp_ev_connect: Domain 3:Failed to 
connect to QMP socket /var/run/xen/qmp-libxl-3: Resource temporarily unavailable
        libxl: error: libxl_pci.c:1702:device_pci_add_done: Domain 
3:libxl__device_pci_add  failed for PCI device 0:9:0.7 (rc -3)
        libxl: error: libxl_create.c:1609:domcreate_attach_devices: Domain 
3:unable to add pci devices
        libxl: error: libxl_domain.c:1177:libxl__destroy_domid: Domain 
3:Non-existant domain
        libxl: error: libxl_domain.c:1131:domain_destroy_callback: Domain 
3:Unable to destroy guest
        libxl: error: libxl_domain.c:1058:domain_destroy_cb: Domain 
3:Destruction of domain failed

When only passing through the first functions 0:9:0.0 to 0:9:0.2, the guest 
starts.

--
Sander

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