[Bug 691590] Re: libvirt should not take ownership of ISO images

Christian Ehrhardt  691590 at bugs.launchpad.net
Mon Jun 22 11:32:13 UTC 2020


Note, this will be part of the libvirt merge (including all sorts of
regression checks) which will be late July/early August.

** Changed in: libvirt (Ubuntu)
       Status: Triaged => In Progress

** Summary changed:

- libvirt should not take ownership of ISO images
+ libvirt restore exactly the old ownership of images

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https://bugs.launchpad.net/bugs/691590

Title:
  libvirt restore exactly the old ownership of images

Status in libvirt:
  Fix Released
Status in libvirt package in Ubuntu:
  In Progress

Bug description:
  Natty (and it was also the same on Maverick, IIRC).

  When you assign an ISO to a VM, libvirt will take over onwership of
  the ISO. This creates problems if the ISO is updated.

  For example, I am daily updating the Natty server ISOs, and running
  tests on them via KVM (all automated). The ISO updates will fail
  because libvirt chowns them.

  I see no reason for this: libvirt only needs the ISO as input.

  WORKAROUND:
    edit /etc/libvirt/qemu.conf, change 'dynamic_ownership = 0', restart qemu/KVM.

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