Что означают такие строчки в dmesg?
piix4_smbus 0000:00:01.3: SMBus Host Controller at 0xb100, revision 0
alloc irq_desc for 26 on node -1
alloc kstat_irqs on node -1
virtio-pci 0000:00:03.0: irq 26 for MSI/MSI-X
alloc irq_desc for 27 on node -1
alloc kstat_irqs on node -1
virtio-pci 0000:00:03.0: irq 27 for MSI/MSI-X
alloc irq_desc for 28 on node -1
alloc kstat_irqs on node -1
virtio-pci 0000:00:03.0: irq 28 for MSI/MSI-X