Your message dated Sun, 10 May 2020 16:30:53 +0300
with message-id <[email protected]>
and subject line Re: Converting a disk with a backing chain including one 
resized is stucked in a loop
has caused the Debian Bug report #945986,
regarding Converting a disk with a backing chain including one resized is 
stucked in a loop
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
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-- 
945986: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=945986
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: qemu-utils
Version: 1:2.8+dfsg-6+deb9u8
Severity: important

Dear Maintainer,

I tried to consolidate a qcow2 disk with a backing chain to a new qcow2
disk without touching any of the original files.

In this backing chain I have one of the backing file that has been extended
with "qemu-img resize".

To consolidate I use "qemu-img convert" on the top file, but the process
never ends. When running with trace ('-T *') the process looks like stuck
in a loop.

How to reproduce:

  qemu-img create -f qcow2 disk0.qcow2 1G
  qemu-img create -f qcow2 -b disk0.qcow2 disk1.qcow2
  qemu-img resize disk1.qcow2 +1G
  qemu-img create -f qcow2 -b disk1.qcow2 disk2.qcow2
  qemu-img convert -O qcow2 disk2.qcow2 disk-all.qcow2

Converting from the extended disk is working:

  qemu-img convert -O qcow2 disk1.qcow2 disk-all.qcow2

Converting with buster version (1:3.1+dfsg-8+deb10u3) is working.

Thanks.

-- System Information:
Debian Release: 9.8
  APT prefers oldstable-updates
  APT policy: (500, 'oldstable-updates'), (500, 'oldstable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-8-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8),
LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages qemu-utils depends on:
ii  libaio1       0.3.110-3
ii  libc6         2.24-11+deb9u4
ii  libgcc1       1:6.3.0-18+deb9u1
ii  libglib2.0-0  2.50.3-2
ii  libgnutls30   3.5.8-5+deb9u4
ii  libnettle6    3.3-1+b2
ii  zlib1g        1:1.2.8.dfsg-5

qemu-utils recommends no packages.

Versions of packages qemu-utils suggests:
ii  debootstrap       1.0.89
pn  qemu-block-extra  <none>

-- no debconf information

--- End Message ---
--- Begin Message ---
Version: 1:2.10.0-1

Dunno why this bug is still open since it's been fixed long time ago.
Closing it now..

Thanks,

/mjt

--- End Message ---

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