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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
commitdee4dcba78baf712cab403d47d9db319ab7f95d6 (patch)
tree418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/108/none/1452062
parent4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff)
downloademulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz
emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip
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@@ -1,60 +0,0 @@
-device: 0.211
-semantic: 0.179
-graphic: 0.081
-debug: 0.056
-other: 0.035
-socket: 0.029
-performance: 0.021
-PID: 0.019
-vnc: 0.013
-boot: 0.009
-network: 0.007
-permissions: 0.006
-files: 0.005
-KVM: 0.002
-
-qemu-img will fail to convert images in 2.3.0
-
-Hello guys,
-
- There seems to be a bug in qemu-img with 2.3.0 that wasn't there in 2.2.1 .... qemu convert will always fail converting. See the output below:
-
-
-Started by upstream project "Create windows image" build number 73
-originally caused by:
- Started by user anonymous
-Building remotely on builder (builder lab) in workspace /var/lib/jenkins/remote/workspace/Prepare windows Image
-[Prepare WS2008R2 Image] $ /bin/sh -xe /tmp/hudson4138890034689910617.sh
-+ sudo bash -x /var/images/prepare_windows.sh WS2008R2
-+ set +x
-
-Preparing: windows
-Virtio CD: virtio-win-0.1.96.iso
-
-Sparsifying...
-qemu-img: error while compressing sector 11131648: Input/output error
-virt-sparsify: error: external command failed: qemu-img convert -f
-qcow2 -O 'qcow2' -c -o 'compat=0.10' '/tmp/sparsifyb459a0.qcow2'
-'/var/images/generated/WS2008R2.qcow2'
-
-virt-sparsify: If reporting bugs, run virt-sparsify with debugging
-enabled (-v) and include the complete output.
-Build step 'Execute shell' marked build as failure
-Warning: you have no plugins providing access control for builds, so falling back to legacy behavior of permitting any downstream builds to be triggered
-Finished: FAILURE
-
-Thanks,
-Dave
-
-I can't reproduce this. qemu-img convert works just fine here.
-
-qemu-img convert -f qcow2 -O qcow2 -c -o compat=0.10 x.img y.img
-
-(from a random winXP guest image).
-
-The only possibly relevant change I can see in 2.3 is that the qcow2 driver added an additional error check to a truncate operation. Can you please run qemu-img under strace -f and either provide the output as an attachment or paste the relevant failing call(s) if you can recognise them?
-
-I rolled back QEMU to 2.2.1 and it succeeded converting the image ... I'll try to see if I can re-upgrade QEMU without breaking again the CI we have here.
-
-This problem is fixed with commit 3e5feb62 ("qcow2: Handle EAGAIN returned from update_refcount"), which will be included in qemu 2.4.0.
-