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Bug 1975941

Summary: qemu-img convert: unshare write permission for source
Product: Red Hat Enterprise Linux 9 Reporter: Xueqiang Wei <xuwei>
Component: qemu-kvmAssignee: Kevin Wolf <kwolf>
qemu-kvm sub component: Storage QA Contact: Tingting Mao <timao>
Status: CLOSED CURRENTRELEASE Docs Contact:
Severity: medium    
Priority: medium CC: chayang, coli, jinzhao, juzhang, kkiwi, kwolf, qzhang, virt-maint, xuwei
Version: 9.0Keywords: Triaged
Target Milestone: betaFlags: pm-rhel: mirror+
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1975940 Environment:
Last Closed: 2021-09-17 07:57:20 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1975940, 1997408    
Bug Blocks:    

Comment 1 Xueqiang Wei 2021-06-24 19:19:19 UTC 
Versions:
kernel-5.13.0-0.rc3.25.el9.x86_64
qemu-kvm-6.0.0-3.el9
Comment 2 Klaus Heinrich Kiwi 2021-06-28 19:41:27 UTC 
Similar questions to https://bugzilla.redhat.com/show_bug.cgi?id=1975940#c1
Comment 4 John Ferlan 2021-09-09 11:56:05 UTC 
Update w/ qemu-6.1 rebase information.
Comment 5 Tingting Mao 2021-09-10 06:00:44 UTC 
Verified this bug as below.


Tested env:
qemu-kvm-6.1.0-1.el9
kernel-modules-5.14.0-0.rc7.54.el9.x86_64


Steps:
# qemu-img create -f raw test.img 2G

# qemu-img convert -p -f raw -O raw -S 0 test.img test.img
qemu-img: test.img: error while converting raw: Failed to get "write" lock
Is another process using the image [test.img]?


Results:
As above, the image is locked.