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authorChristian Krinitsin <mail@krinitsin.com>2025-06-16 16:59:00 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-16 16:59:33 +0000
commit9aba81d8eb048db908c94a3c40c25a5fde0caee6 (patch)
treeb765e7fb5e9a3c2143c68b0414e0055adb70e785 /results/classifier/118/x86/932
parentb89a938452613061c0f1f23e710281cf5c83cb29 (diff)
downloadqemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.tar.gz
qemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.zip
add 18th iteration of classifier
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diff --git a/results/classifier/118/x86/932 b/results/classifier/118/x86/932
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+x86: 0.949
+device: 0.899
+vnc: 0.886
+ppc: 0.822
+risc-v: 0.785
+PID: 0.771
+kernel: 0.759
+performance: 0.758
+graphic: 0.746
+virtual: 0.720
+socket: 0.709
+architecture: 0.693
+i386: 0.682
+debug: 0.682
+hypervisor: 0.677
+VMM: 0.676
+mistranslation: 0.665
+semantic: 0.604
+permissions: 0.575
+register: 0.573
+TCG: 0.557
+KVM: 0.524
+boot: 0.506
+arm: 0.466
+network: 0.390
+files: 0.311
+peripherals: 0.265
+user-level: 0.205
+assembly: 0.200
+
+Snapshot created with 6.2.0 cannot be loaded with 7.0.0-rc1
+Description of problem:
+Loading the snapshot will fail with:
+
+````
+qemu-system-x86_64: Missing section footer for 0000:00:01.3/piix4_pm
+qemu-system-x86_64: Error -22 while loading VM state
+````
+Steps to reproduce:
+1. Start VM with `6.2.0`.
+2. Create a snapshot `takenwith620` with `snapshot-save` QMP command.
+3. Stop VM and try to load snapshot with `v7.0.0-rc1`.
+Additional information:
+Bisecting led to `5ead62185d ("memory: Make memory_region_is_mapped() succeed when mapped via an alias")`, but reverting that alone wasn't enough, so I continued and got to `7c0fa8dff8 ("pcie: Add support for Single Root I/O Virtualization (SR/IOV)")`. Only reverting both seems to fix the issue.