On 12/10/2016 04:39 AM, Eduardo Habkost wrote:
> Using latest qemu.git master:
>
> $ qemu-system-x86_64 -machine q35 -readconfig docs/q35-chipset.cfg -monitor
> stdio
> QEMU 2.7.93 monitor - type 'help' for more information
> (qemu) device_add e1000e,bus=ich9-pcie-port-4,addr=00
> (qemu) device_add e1000e,bus=ich9-pcie-port-4,addr=08
> Segmentation fault (core dumped)
>
> It crashes at:
>
> #7 0x000055555598d7dc in do_pci_register_device (errp=0x7fffffffbfd0,
> devfn=64, name=0x5555565df340 "e1000e", bus=0x555558487380,
> pci_dev=0x5555589cd000)
> at /home/ehabkost/rh/proj/virt/qemu/hw/pci/pci.c:983
> 983 error_setg(errp, "PCI: slot %d function 0 already ocuppied
> by %s,"
> (gdb) l
> 978 PCI_SLOT(devfn), PCI_FUNC(devfn), name,
> 979 bus->devices[devfn]->name);
> 980 return NULL;
> 981 } else if (dev->hotplugged &&
> 982 pci_get_function_0(pci_dev)) {
> 983 error_setg(errp, "PCI: slot %d function 0 already ocuppied
> by %s,"
> 984 " new func %s cannot be exposed to guest.",
> 985 PCI_SLOT(devfn),
> 986 bus->devices[PCI_DEVFN(PCI_SLOT(devfn),
> 0)]->name,
> 987 name);
>
Thanks for informing me. I am kind of busy for now, so I suppose I will
investigate it after 2.8 release.
--
Sincerely,
Cao jin
