Found the problem:
i2c_hid_acpi i2c-ELAN06FA:00: failed to reset device: -61
Maybe related:
Yes. It is the problem with AMD GPIO interrupts that is responsible for touchpad. As I understood Xen should make a fix.
Thanks for your help!
SOLVED.
Add ioapic_ack=new
to GRUB_CMDLINE_XEN_DEFAULT