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[Qemu-devel] [Bug 588691] Re: QEMU is not correctly detecting host CDs

From: Thomas Huth
Subject: [Qemu-devel] [Bug 588691] Re: QEMU is not correctly detecting host CDs
Date: Thu, 13 Sep 2018 05:55:11 -0000

OK, thanks for the confirmation, John, so seems like this bug has been
fixed in the past and we can close it now.

** Changed in: qemu
       Status: Incomplete => Fix Released

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  QEMU is not correctly detecting host CDs

Status in QEMU:
  Fix Released

Bug description:
  QEMU's block layer contains code for detecting and using ioctls when
  real CD-ROM host devices are attached.

  This detection is not working in some host OSes while bad implemented
  on anothers.

  E.g., in Linux host qemu -cdrom /dev/sr0 is not detecting it as a CD-ROM
  E.g., in Mac OS X host qemu asks the kernel to enumerate optical devices and 
the compares it to the constant string "/dev/cdrom". This is useless, that 
enumeration is just enough, and "/dev/cdrom" will NEVER exist in Mac OS X 
unless manually created by the user.

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