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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/118/device/1342
parent4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff)
downloademulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz
emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip
restructure results
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@@ -1,54 +0,0 @@
-device: 0.933
-graphic: 0.860
-network: 0.811
-VMM: 0.739
-kernel: 0.728
-vnc: 0.707
-PID: 0.693
-arm: 0.692
-ppc: 0.684
-risc-v: 0.665
-register: 0.664
-socket: 0.622
-architecture: 0.620
-semantic: 0.577
-peripherals: 0.542
-boot: 0.499
-performance: 0.474
-TCG: 0.463
-permissions: 0.429
-x86: 0.426
-mistranslation: 0.402
-i386: 0.387
-debug: 0.384
-files: 0.353
-virtual: 0.337
-assembly: 0.332
-hypervisor: 0.280
-KVM: 0.199
-user-level: 0.151
-
-Default machine setting of force-legacy=true causes problems for any modern VirtIO device using MMIO
-Description of problem:
-The default causes problems if you enable any non-legacy VirtIO device which has the VIRTIO_F_VERSION_1 feature bit will not properly read all feature bits. This is because reading VIRTIO_MMIO_VERSION returns VIRT_VERSION_LEGACY which in turn results in the driver not reading all feature bits, e.g. the qtest access:
-
-```
-static uint64_t qvirtio_mmio_get_features(QVirtioDevice *d)
-{
- QVirtioMMIODevice *dev = container_of(d, QVirtioMMIODevice, vdev);
- uint64_t lo;
- uint64_t hi = 0;
-
- qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_HOST_FEATURES_SEL, 0);
- lo = qtest_readl(dev->qts, dev->addr + QVIRTIO_MMIO_HOST_FEATURES);
-
- if (dev->version >= 2) {
- qtest_writel(dev->qts, dev->addr + QVIRTIO_MMIO_HOST_FEATURES_SEL, 1);
- hi = qtest_readl(dev->qts, dev->addr + QVIRTIO_MMIO_HOST_FEATURES);
- }
-
- return (hi << 32) | lo;
-}
-```
-Additional information:
-