[Qemu-devel] [Bug 1832914] [NEW] Wrong error log when drive is specified qcow but qcow2 image file used.

[saeed]

Public bug reported:

On archlinux qemu version 4.0.0 when I type:

$ qemu-system-x86_64 -drive format=qcow,file=image.qcow2 ...

I get this output in stderr

qemu-system-x86_64 -drive format=qcow,file=image.qcow2 ...: Unsupported
qcow version 3

image.qcow2 is a qcow2 image created by qemu-img. error states that
problem is with lack support with qcow3 format but real problem is that
foramt=qcow is wrong option.

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1832914

Title:
  Wrong error log when drive is specified qcow but qcow2 image file
  used.

Status in QEMU:
  New

Bug description:
  On archlinux qemu version 4.0.0 when I type:

  $ qemu-system-x86_64 -drive format=qcow,file=image.qcow2 ...

  I get this output in stderr

  qemu-system-x86_64 -drive format=qcow,file=image.qcow2 ...:
  Unsupported qcow version 3

  image.qcow2 is a qcow2 image created by qemu-img. error states that
  problem is with lack support with qcow3 format but real problem is
  that foramt=qcow is wrong option.

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