Markus Armbruster <armbru@xxxxxxxxxx> writes:
> Even better: I can reproduce it with an unpatched upstream QEMU
> (qemu.git commit cfde4bd9) like this:
>
> $ qemu foo.qcow2 -net nic -net nic -net nic -drive file=bar.img,if=virtio
>
> virtio-blk-pci ends up in slot 6.
And:
$ qemu foo.qcow2 -net nic,model=virtio -net nic,model=virtio -net nic,model=virtio -net nic,model=virtio
chokes like this:
Setting up hotplug.
Creating block device nodes.
Creating character device nodes.
Loading virtio_pci module
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
virtio-pci 0000:00:03.0: PCI INT A -> Link[LNKC] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
virtio-pci 0000:00:04.0: PCI INT A -> Link[LNKD] -> GSI 10 (level, low) -> IRQ 10
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
virtio-pci 0000:00:05.0: PCI INT A -> Link[LNKA] -> GSI 11 (level, low) -> IRQ 11
virtio-pci 0000:00:06.0: can't derive routing for PCI INT A
virtio-pci 0000:00:06.0: PCI INT A: no GSI - using IRQ 9
virtio-pci 0000:00:07.0: can't derive routing for PCI INT A
virtio-pci 0000:00:07.0: PCI INT A: no GSI - using IRQ 11
Loading virtio_blk module
Boot completes, but none of the four NICs work (no /dev/eth*). If I use
only two, they end up in "good" slots, and both work fine.
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