As this example shows : $ cat /proc/interrupts CPU0 0: 11425846 IO-APIC-edge timer 1: 4537 IO-APIC-edge i8042 8: 0 IO-APIC-edge rtc 9: 0 IO-APIC-level acpi 14: 195 IO-APIC-edge ide0 15: 195 IO-APIC-edge ide1 50: 4725635 IO-APIC-level eth0 58: 39816 IO-APIC-level ehci_hcd:usb1 66: 216 IO-APIC-level ICE1724 217: 113360 IO-APIC-level libata, ohci_hcd:usb2 225: 0 IO-APIC-level libata 233: 253099 IO-APIC-level libata NMI: 1779 LOC: 11426318 ERR: 0 MIS: 0 /proc/interrupts shows detailed info about PATA drives while all libata devices are reported as "libata" (this system has two pata hard disks, two sata hard disks, and one sata DVD burner) Distribution: Fedora Core devel
Please file fedora bugs in their own bugzilla, or reproduce on mainline