Consistent OS bug when ejecting disks (Mac OS 7.5.5 to 10.4.9)

I have a problem and a complaint about a bug in every Mac OS since 7.5.5, up to and including 10.4.9, and it is about disk images and ejecting disks. It has already happened to me twice tonight, and I hate rebooting my macintosh so frequently.
The problem has been both highly repeatable and extremely annoying because I have to reboot the computer every time it happens.
Its simple to repeat, just put a cdrom in the drive--I'm using an imac G4 USB with OS 10.4.9 at the moment but I've verified a similar problem occurs with floppy disks in various OS versions back to 7.5.5 on a Mac SE 30.
Next use Disk Utility to make a copy of the disk. I make a copy on the desktop and keep the same name as the original disk because I want to use them for archives. Now open the disk image to inspect its contents and make sure it looks right. Once the disk image opens on the Desktop it becomes impossible to eject the cdrom.
I've tried:
- the media eject key--graphic flashes but nothing happens
- dragging the icon to the trash can--icon disappears but the disk doesn't eject
- remounting the disk in Disk Utility and then using 1) the eject command, 2) the media eject key, 3) dragging the disk icon to the trash can.
Since I have an iMac G4 USB (the flat panel) the computer doesn't have a manual cdrom eject. The only way I've found to change cds is to reboot the computer and hold down the mouse button. Every single time I copy a disk I have to reboot--I hate that.
This bug is really overdue to be squashed. Until then, is there a way to force the cdrom to eject without either 1) damaging the drive or 2) rebooting the computer?
I don't want to damage the computer by forcing the cdrom drive open. Nor do I want to keep rebooting every time I make a disk image.
Thanks,
- Mike

Can you eject the disk after unmounting the .dmg file? Can you eject the disk if you change the .dmg's name slightly? BTW, my mate has a 17" 1GHz G4 iMac and her keyboard has an eject button.
If none of those work, the file a bug with Apple through their BugReporter system. Go to https://connect.apple.com/MemberSite and join the Apple Developer Connection (ADC)—it's free and available for all Mac users and gets you a look at some development software. Then, go to https://bugreport.apple.com/, click on the Login to the Apple BugReporter link (using your Apple ID username and password), and file your bug report/enhancement request. The nice thing with this procedure is that you get a response and a follow-up number; thus, starting a dialog with engineering.
Posting here won't get you any action from Apple engineering.

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Complements of Kappy:
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https://www.google.com/#q=raid+backup+mac
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Apple Feedback
Bug Reporting - Apple Developer

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Hello everyone,
My Mac does not boot.
I started having odd problems of clicking on a document and the mac refusing to open its application (tried with PDF, DOCX, even JPG).
When I rebooted I was greeted with a a normal grey screen with apple logo and immediately received a terminal system message:
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panic(cpu 0 caller 0xffffff8010bcb7d4): "Process 1 exec of /sbin/launched failed, errno 8"@/SourceCache xnu xnu-2422.1.72/bsd/kern/kern_exec.c:3836
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I rebooted with option pressed and got the three volumes I expected: Mac OS X, Bootcamp and HD Recovery
Retried Mac OS X (you never know ;-) and nothing changed, same panic screen.
I then rebooted on HD Recovery and run repair on Disk Utility. The S.M.A.R.T status is "Verified" and so I tried to Repair the volume. Can't remember exactly the message but basically something in the lines of "The disk cannot be repaired, backup your data and format it".
The disk change prevented me of having a proper backup (last one done before changing disks - and as you probably will know when changing disks Timemachine does not recognize and proposes reset the backup it has from previous disk).
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But wait, how about Bootcamp? I rebooted, pressed option and chose Bootcamp as startup disk and... amazingly it works without a problem (besides seeing Windows 7 on a mac which is still a troublesome image to me ;-) So not all is lost!
So my question: any ideas if I may repair the disk from the apparently fully functional Windows? I started backing up the more recent and important files, but already had troubles with file long names and naming rules (so I will definitely have to backup it later on a Mac OS X environment as external disk).
Any thoughts will be most welcome.
Regards,
-- João
About my Mac:
Macbook Pro
15-inch, Mid 2010
Processor: 2.66 GHz Intel Core i7
Memory: 8 Gb 1067 MHz DDR3
Graphic cards: Intel HD Graphics 288 Mb & nVIDIA GeForce GT 330 M
Serial: W80282VYAGZ
Software: OS X 10.9.2 (13C64) Mavericks

You were right BobRz! :-)
On second thought and still thinking that the drive could be a more likely culprit I decided to take the Mac back to the store where I had bought and installed it so I could profit from the warranty.
They run a quick test (could not figure out which sequence keys but it was something built-in into the OS or Firmware) and they told me the disk was probably not at fault and that I should leave my Mac (chills!) for a more thorough testing.
Although I already had saved all data files not covered by my existing TImemachine backup, I negotiated with them they would do the eventual full backup just in case testing pointed the finger to the disk and left it to - hopefully - come back next day with everything sorted out.
The following day they phoned me and when I presented myself at the counter I had my mac wating for me (I think I saw it smile - I certainly was) alongside with a faulty disk cable which has been replaced! So there you have it, you were 100% on target! :-)
All in all I had a 100€ repair and cable to pay for.
So all is well that ends well!
Thank you very much for your insight Bob.
Best regards,
-- joão
ps already bought a 1Tb and did a Timemachine full backup! ;-)

Consistent OS bug when ejecting disks (Mac OS 7.5.5 to 10.4.9)

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