Description of problem: "eject -i on" should disable the hardware eject button so it doesn't pop open in a laptop case or when pressed (repeatedly...all day long) by a toddler. This functionality works fine in Ubuntu but does not work in Fedora 17 or 18. Please help, my 18-month old is driving my nuts by constantly ejecting and pushing in the cdrom! Version-Release number of selected component (if applicable): eject from util-linux 2.22.1 How reproducible: Steps to Reproduce: 1. 'eject -i on' 2. eject says "eject: CD-Drive may NOT be ejected with device button" 3. press the hardware button to eject cdrom Actual results: Cdrom ejects Expected results: Cdrom does nothing Additional info:
OK, little more research has shed some light on this. The udev rule /usr/lib/udev/rules.d/60-cdrom_id.rules hears the hardware button and makes it eject without caring what's in /proc/sys/dev/cdrom/lock or anywhere else. If you comment out the line ENV{DISK_EJECT_REQUEST}=="?*", RUN+="cdrom_id --eject-media $devnode", GOTO="cdrom_end" then everything seems to work as expected. Cdrom still ejects when you want it to but responds to disabling as it should. I don't know enough about udev to know what else it breaks to comment out this line, but it works for me. Smarter udev behavior would be great.
eject works as expected. I am switching the component to udev...
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This bug is still present in Fedora 20.
eject -i locks an individual cdrom, /proc is an awkward global interface acting for all cdroms on the system. I don't see a way to query an individual cdrom for the eject -i setting. I'm closing this bug, it is unlikely to get changed/fixed in the kernel, and udev should not use the awkward /proc interface. You can always, as a local customization, copy the udev rules file from /usr/lib to /etc and edit it there. The one in /etc will entirely overwrite the one in /usr/lib.