Since this was a libguestfs bug, let's close this here in the QEMU bug
tracker now.
** Changed in: qemu
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1740
Fixed upstream in
https://github.com/libguestfs/libguestfs/commit/f00f920ad3b15ab8e9e8f201c16e7628b6b7b109
The fix should appear in libguestfs 1.40.
** Changed in: qemu
Status: New => Fix Committed
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Sorry I noticed this bug is filed against qemu. The fix was done in
libguestfs, it's not a bug in qemu as far as I know.
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https://bugs.launchpad.net/bugs/1740364
Title:
qemu-img: fail
1. The error prompt may be misleading. I guess your backing image should
be running. It should report that "failed to get the lock of backing
image". The operation will be allowed in the future.
2. Check the help doc of qemu-img, the you can get the support sub-command by
force share option "-U".
On Fri, Jan 05, 2018 at 02:44:54AM -, Ping Li wrote:
> The behaviour should be expected. Since qemu 2.10, image locking is
> enabled which make multiple QEMU processes cannot write to the same
> image, even if boot snapshot and backing file at the same time are
> not allowed.
> You could get i
Thanks for the explanation, I thought it might be related, but:
1. The command executed is:
qemu-img create -f qcow2 -o
backing_file=/home/ykaul/ovirt-system-tests/deployment-basic-suite-master/default/images/lago-basic-suite-master-host-1_root.qcow2
/tmp/libguestfsWrA7Dh/overlay1.qcow2
And the
The behaviour should be expected. Since qemu 2.10, image locking is
enabled which make multiple QEMU processes cannot write to the same
image, even if boot snapshot and backing file at the same time are
not allowed.
You could get image info with the option "-U" as below:
$qemu-img info -U $ImageNa
