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rEFInd booting issue
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Joined: 07 Mar 2012
Posts: 65
Location: Manchester, UK

PostPosted: Tue Oct 16, 2012 9:56 am    Post subject: rEFInd booting issue Reply with quote

I have installed a rEFInd and am using it to boot directly into my kernel.

The boot loader works fine.

Only problem is if i boot the system without CD/DVD present in my Macbook Pro the boot loader constantly searched my CD/DVD drive and renders the boot loader unusable, and I get stuck there.


timeout 5
scanfor internal
also_scan_dirs kernels

My config file is well basic.

Any suggestions on why this might be happening.
Slugggerzzz ...
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Joined: 08 Mar 2004
Posts: 434
Location: Woonsocket, RI

PostPosted: Tue Oct 16, 2012 4:31 pm    Post subject: Reply with quote

I'm rEFInd's maintainer. Could you be more specific? In particular:

  • How do you know it's scanning the optical drive? For instance, do you hear it? Is it a model with a light and the light comes on?
  • What precisely do you mean by "constantly searched" and "unusable"? Is the attempted optical-drive access perpetual, or does it stop after a time? (Please wait at least a minute to be sure.) What does rEFInd display when this is happening -- is there a message to the effect that a disk re-scan is occurring, a display of existing icons, etc.? Or is the display blank except for the gray background and rEFInd logo?
  • Have you installed any of rEFInd's filesystem drivers? It's conceivable that the ISO-9660 driver, in particular, could be causing problems (or might just end them, if it's not installed and you install it, although that's a long shot).

Unfortunately, rEFInd's method of disk scanning (inherited from rEFIt) involves reading each disk, and the code's not structured to skip optical drives. Instead, a read attempt on an optical drive with no disc inserted immediately produces an error code, so there's no noticeable delay when scanning a system with no disc. It's conceivable that your drive isn't returning that error message, though, so the firmware might do something strange when rEFInd asks it to return data on the disc. If this hypothesis is correct, then no configuration file change will improve matters, but I might be able to code a workaround. If it comes to this I may need you to run a special debugging version of rEFInd, but I'm not positive of that. Getting questions to my earlier answers is a necessary first step.
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