1. root@OLime2:~# udevadm test /sys/class/block/
  2. calling: test
  3. version 3.2.2
  4. This program is for debugging only, it does not run any program
  5. specified by a RUN key. It may show incorrect results, because
  6. some values may be different, or not available at a simulation run.
  8. === trie on-disk ===
  9. tool version: 3
  10. file size: 7195368 bytes
  11. header size 80 bytes
  12. strings 1846056 bytes
  13. nodes 5349232 bytes
  14. Load module index
  15. timestamp of '/etc/udev/rules.d' changed
  16. Reading rules file: /etc/udev/rules.d/10-zram.rules
  17. Reading rules file: /lib/udev/rules.d/50-firmware.rules
  18. Reading rules file: /lib/udev/rules.d/50-udev-default.rules
  19. Reading rules file: /lib/udev/rules.d/55-dm.rules
  20. Reading rules file: /lib/udev/rules.d/60-block.rules
  21. Reading rules file: /lib/udev/rules.d/60-cdrom_id.rules
  22. Reading rules file: /lib/udev/rules.d/60-drm.rules
  23. Reading rules file: /lib/udev/rules.d/60-evdev.rules
  24. Reading rules file: /lib/udev/rules.d/60-persistent-alsa.rules
  25. Reading rules file: /lib/udev/rules.d/60-persistent-input.rules
  26. Reading rules file: /lib/udev/rules.d/60-persistent-storage-dm.rules
  27. Reading rules file: /lib/udev/rules.d/60-persistent-storage-tape.rules
  28. Reading rules file: /lib/udev/rules.d/60-persistent-storage.rules
  29. Reading rules file: /lib/udev/rules.d/60-persistent-v4l.rules
  30. Reading rules file: /lib/udev/rules.d/60-sensor.rules
  31. Reading rules file: /lib/udev/rules.d/60-serial.rules
  32. Reading rules file: /lib/udev/rules.d/64-btrfs.rules
  33. Reading rules file: /lib/udev/rules.d/70-mouse.rules
  34. Reading rules file: /lib/udev/rules.d/70-touchpad.rules
  35. Reading rules file: /lib/udev/rules.d/73-idrac.rules
  36. Reading rules file: /lib/udev/rules.d/73-special-net-names.rules
  37. Reading rules file: /lib/udev/rules.d/73-usb-net-by-mac.rules
  38. Reading rules file: /lib/udev/rules.d/75-net-description.rules
  39. Reading rules file: /lib/udev/rules.d/75-persistent-net-generator.rules
  40. Reading rules file: /lib/udev/rules.d/75-probe_mtd.rules
  41. Reading rules file: /lib/udev/rules.d/78-sound-card.rules
  42. Reading rules file: /lib/udev/rules.d/80-drivers.rules
  43. Reading rules file: /lib/udev/rules.d/80-ifupdown.rules
  44. Reading rules file: /lib/udev/rules.d/80-net-name-slot.rules
  45. Reading rules file: /lib/udev/rules.d/80-networking.rules
  46. Reading rules file: /lib/udev/rules.d/85-hwclock.rules
  47. Reading rules file: /lib/udev/rules.d/90-alsa-restore.rules
  48. rules contain 24576 bytes tokens (2048 * 12 bytes), 10572 bytes strings
  49. 1406 strings (18575 bytes), 864 de-duplicated (8546 bytes), 543 trie nodes used
  50. unable to open device '/sys/class/block'
  51. Unload module index

result