On Mon, Dec 12, 2016 at 01:34:05PM +0800, Cao jin wrote:
>
>
> 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.Please let me know if this should be considered a release blocker. The proposed QEMU 2.8 release date is tomorrow (December 13th)! Stefan
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