Paul Hartman <paul.hartman+gen...@gmail.com> writes:

> hdparm -z /dev/hdc

I got some kind of weird output from that:

root # hdparm -z /dev/hdc

/dev/hdc:
 re-reading partition table
 BLKRRPART failed: Invalid argument

fdisk has no better luck:
  sudo fdisk /dev/hdc
  Password:

  Unable to open /dev/hdc

I was able to freeup the tray though.  It now works and will open and
close by pushing the button.

But a reboot did nothing toward establishing a device in /dev/ for it.
Or I should say the link to CDrom. /dev/hdc seems to be there 

The rules you mentioned at: 
/etc/udev/rules.d/70-persistent-cd.rules 
(wrapped for mail)

# LITE-ON_CD-ROM_LTN-5291S (pci-0000:00:1f.1)
  SUBSYSTEM=="block", ENV{ID_CDROM}=="?*", 
  ENV{ID_PATH}=="pci-0000:00:1f.1", 
  SYMLINK+="cdrom", ENV{GENERATED}="1"

That looks ok but I don't think I'd know if it were totally wrong
either.  I've renamed it and will reboot later on.


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