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[Bug 1721788] Re: Failed to get shared "write" lock with 'qemu-img info'
From: |
Kaitlyn Lew |
Subject: |
[Bug 1721788] Re: Failed to get shared "write" lock with 'qemu-img info' |
Date: |
Tue, 19 Apr 2022 14:35:07 -0000 |
I have the same problem
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https://bugs.launchpad.net/bugs/1721788
Title:
Failed to get shared "write" lock with 'qemu-img info'
Status in QEMU:
Fix Released
Bug description:
When running 'qemu-img info test.qcow2' while test.qcow2 is currently
used by a Qemu process, I get the error
qemu-img: Could not open 'test.qcow2': Failed to get shared "write"
lock.
Why does displaying information about a disk image need a write lock
for the file?
Steps to reproduce:
qemu-img create -f qcow2 test.qcow2 10M
qemu-system-x86_64 -nographic -drive file=test.qcow2
qemu-img info test.qcow2
The above was tested with Qemu version 2.10.0.
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