On 05/07/2016 08:34, Eugene Grosbein wrote: > > Verify if your mouse (USB one?) is using IRQ 18 too. > "vmstat -ai" command would be helpful. Yes, I have a USB mouse, and my USB uses IRQ 18: irq18: ehci0 uhci5 503154 9 stray irq18 0 0 Yuri