[Qemu-devel] [Bug 1813406] [NEW] qemu-img convert malfunction on macOS

[Qemu-devel] [Bug 1813406] [NEW] qemu-img convert malfunction on macOS

[Chen Zhang]

Public bug reported:

On macOS 10.13.6, `qemu-img convert` failed to convert a qcow2 into a
new qcow2 (for the purpose of shrinking the image).

A 50GB (3.7GB allocated) qcow2 image was used as source. The qemu-img
convert output was a 3.4MB file.

qemu-img from HomeBrew were tested. Both 2.11.1 and 3.1.0_1 failed to
convert a qcow2 image.

** Affects: qemu
     Importance: Undecided
         Status: New


** Tags: macos qemu-img

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Title:
  qemu-img convert malfunction on macOS

Status in QEMU:
  New

Bug description:
  On macOS 10.13.6, `qemu-img convert` failed to convert a qcow2 into a
  new qcow2 (for the purpose of shrinking the image).

  A 50GB (3.7GB allocated) qcow2 image was used as source. The qemu-img
  convert output was a 3.4MB file.

  qemu-img from HomeBrew were tested. Both 2.11.1 and 3.1.0_1 failed to
  convert a qcow2 image.

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[Qemu-devel] [Bug 1813406] Re: qemu-img convert malfunction on macOS

[Chen Zhang]

Preliminary debugging seems to hint that wrong image convert status for
some sectors during iteration in convert_do_copy() accumulated a much
smaller allocated_sectors than it should.

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Title:
  qemu-img convert malfunction on macOS

Status in QEMU:
  New

Bug description:
  On macOS 10.13.6, `qemu-img convert` failed to convert a qcow2 into a
  new qcow2 (for the purpose of shrinking the image).

  A 50GB (3.7GB allocated) qcow2 image was used as source. The qemu-img
  convert output was a 3.4MB file.

  qemu-img from HomeBrew were tested. Both 2.11.1 and 3.1.0_1 failed to
  convert a qcow2 image.

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[Qemu-devel] [Bug 1813406] Re: qemu-img convert malfunction on macOS

[John Snow]

Possibly a duplicate of https://bugs.launchpad.net/qemu/+bug/1776920

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Title:
  qemu-img convert malfunction on macOS

Status in QEMU:
  New

Bug description:
  On macOS 10.13.6, `qemu-img convert` failed to convert a qcow2 into a
  new qcow2 (for the purpose of shrinking the image).

  A 50GB (3.7GB allocated) qcow2 image was used as source. The qemu-img
  convert output was a 3.4MB file.

  qemu-img from HomeBrew were tested. Both 2.11.1 and 3.1.0_1 failed to
  convert a qcow2 image.

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[Bug 1813406] Re: qemu-img convert malfunction on macOS

[Thomas Huth]

The QEMU project is currently considering to move its bug tracking to another system. For this we need to know which bugs are still valid and which could be closed already. Thus we are setting older bugs to "Incomplete" now.
If you still think this bug report here is valid, then please switch the state back to "New" within the next 60 days, otherwise this report will be marked as "Expired". Or mark it as "Fix Released" if the problem has been solved with a newer version of QEMU already. Thank you and sorry for the inconvenience.

** Changed in: qemu
       Status: New => Incomplete

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Title:
  qemu-img convert malfunction on macOS

Status in QEMU:
  Incomplete

Bug description:
  On macOS 10.13.6, `qemu-img convert` failed to convert a qcow2 into a
  new qcow2 (for the purpose of shrinking the image).

  A 50GB (3.7GB allocated) qcow2 image was used as source. The qemu-img
  convert output was a 3.4MB file.

  qemu-img from HomeBrew were tested. Both 2.11.1 and 3.1.0_1 failed to
  convert a qcow2 image.

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[Bug 1813406] Re: qemu-img convert malfunction on macOS

[Launchpad Bug Tracker]

[Expired for QEMU because there has been no activity for 60 days.]

** Changed in: qemu
       Status: Incomplete => Expired

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Title:
  qemu-img convert malfunction on macOS

Status in QEMU:
  Expired

Bug description:
  On macOS 10.13.6, `qemu-img convert` failed to convert a qcow2 into a
  new qcow2 (for the purpose of shrinking the image).

  A 50GB (3.7GB allocated) qcow2 image was used as source. The qemu-img
  convert output was a 3.4MB file.

  qemu-img from HomeBrew were tested. Both 2.11.1 and 3.1.0_1 failed to
  convert a qcow2 image.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1813406/+subscriptions