[Qemu-devel] [Bug 1810343] [NEW] qemu-nbd -l and -s options don't work together

[Michael]

Public bug reported:

When using qemu-nbd with -l to load a snapshot along with -s to create
new active layer the tool fails to find the snapshot specified on the
command line:

For example the following does not work:
  sudo qemu-nbd -s --load-snapshot=files  --connect /dev/nbd0 rootfs.qcow2      
                             
  Failed to load snapshot: Can't find snapshot

However, the following option works
  sudo qemu-nbd -s --connect /dev/nbd0 rootfs.qcow2
and so does
  sudo qemu-nbd --load-snapshot=files  --connect /dev/nbd0 rootfs.qcow2

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1810343

Title:
  qemu-nbd -l and -s options don't work together

Status in QEMU:
  New

Bug description:
  When using qemu-nbd with -l to load a snapshot along with -s to create
  new active layer the tool fails to find the snapshot specified on the
  command line:

  For example the following does not work:
    sudo qemu-nbd -s --load-snapshot=files  --connect /dev/nbd0 rootfs.qcow2    
                               
    Failed to load snapshot: Can't find snapshot

  However, the following option works
    sudo qemu-nbd -s --connect /dev/nbd0 rootfs.qcow2
  and so does
    sudo qemu-nbd --load-snapshot=files  --connect /dev/nbd0 rootfs.qcow2

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