On insert an SD card: UEVENT[1165736951.444379] add@/devices/pci0000:00/0000:00:1e.0/0000:05:01.2/tifm_sd0:1 ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:05:01.2/tifm_sd0:1 SUBSYSTEM=tifm SEQNUM=849 PHYSDEVBUS=tifm TIFM_CARD_TYPE=SD UDEV [1165736951.444989] add@/devices/pci0000:00/0000:00:1e.0/0000:05:01.2/tifm_sd0:1 UDEV_LOG=3 ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:05:01.2/tifm_sd0:1 SUBSYSTEM=tifm SEQNUM=849 PHYSDEVBUS=tifm TIFM_CARD_TYPE=SD UDEVD_EVENT=1 On remove that same card: UEVENT[1165737170.146256] remove@/devices/pci0000:00/0000:00:1e.0/0000:05:01.2/tifm_sd0:1 ACTION=remove DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:05:01.2/tifm_sd0:1 SUBSYSTEM=tifm SEQNUM=850 PHYSDEVBUS=tifm TIFM_CARD_TYPE=SD UDEV [1165737170.146935] remove@/devices/pci0000:00/0000:00:1e.0/0000:05:01.2/tifm_sd0:1 UDEV_LOG=3 ACTION=remove DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:05:01.2/tifm_sd0:1 SUBSYSTEM=tifm SEQNUM=850 PHYSDEVBUS=tifm TIFM_CARD_TYPE=SD UDEVD_EVENT=1 Proposed udev rule: SUBSYSTEM=="tifm", ENV{TIFM_CARD_TYPE}=="SD", NAME="tifm/sd"