Re: [BUG ? ] Each pci bridge only supports hotplugging 16 numbers of virtio-blk/virtio-net devices

On Mon, Dec 25, 2017 at 9:40 AM, Hailiang Zhang wrote: > Hi, > > We tried to hot add more than 16 numbers of virtio-blk devices to pci > bridge, but found that only 16 of them are available in VM. +Cc Mika I guess it depends to how much resources are available to hotplug initially. > > There ar

[BUG ? ] Each pci bridge only supports hotplugging 16 numbers of virtio-blk/virtio-net devices

Hi, We tried to hot add more than 16 numbers of virtio-blk devices to pci bridge, but found that only 16 of them are available in VM. There are ‘no space’ error messages in dmesg: [4.666106] pci :00:03.0: PCI bridge to [bus 01] [4.666191] pci :00:03.0: bridge window [io 0x7