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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/none/2732
parentb89a938452613061c0f1f23e710281cf5c83cb29 (diff)
downloadqemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.tar.gz
qemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.zip
add 18th iteration of classifier
Diffstat (limited to 'results/classifier/118/none/2732')
-rw-r--r--results/classifier/118/none/273269
1 files changed, 69 insertions, 0 deletions
diff --git a/results/classifier/118/none/2732 b/results/classifier/118/none/2732
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+++ b/results/classifier/118/none/2732
@@ -0,0 +1,69 @@
+graphic: 0.589
+risc-v: 0.560
+permissions: 0.547
+register: 0.535
+peripherals: 0.519
+debug: 0.480
+hypervisor: 0.479
+TCG: 0.469
+virtual: 0.464
+device: 0.457
+arm: 0.453
+user-level: 0.444
+ppc: 0.435
+socket: 0.430
+assembly: 0.428
+architecture: 0.421
+KVM: 0.401
+PID: 0.389
+semantic: 0.378
+boot: 0.362
+files: 0.361
+VMM: 0.352
+performance: 0.343
+x86: 0.340
+mistranslation: 0.336
+network: 0.284
+kernel: 0.253
+vnc: 0.245
+i386: 0.216
+
+Segmentation fault with PCI GPU
+Description of problem:
+Upon attempting to launch the virtual machine, Qemu crashes with Segfault. The issue only occurs it's launched with a passthrough GPU with the vfio driver. It is an Nvidia RTX 3060 GPU. The VM boots fine without the GPU PCI device added.
+Steps to reproduce:
+1. Create a VM with the GPU PCI device added
+2. Attempt to boot it
+3. virt-manager will display: "libvirt.libvirtError: internal error: QEMU unexpectedly closed the monitor"
+Additional information:
+GDB backtrace:
+```                                                                                                                                                                                            
+Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
+Downloading 116.51 K source file /usr/src/debug/qemu/build/../qemu-9.1.2/system/memory.c
+memory_region_update_container_subregions () at ../qemu-9.1.2/system/memory.c:2616                                                                                                            
+2616	    QTAILQ_FOREACH(other, &mr->subregions, subregions_link) {
+(gdb) bt
+#0  memory_region_update_container_subregions () at ../qemu-9.1.2/system/memory.c:2616
+#1  memory_region_add_subregion_common () at ../qemu-9.1.2/system/memory.c:2640
+#2  0x0000555555ade66a in memory_region_add_subregion_overlap () at ../qemu-9.1.2/system/memory.c:2657
+#3  vfio_probe_nvidia_bar0_quirk () at ../qemu-9.1.2/hw/vfio/pci-quirks.c:966
+#4  vfio_bar_quirk_setup () at ../qemu-9.1.2/hw/vfio/pci-quirks.c:1259
+#5  0x0000555555ae8212 in vfio_realize () at ../qemu-9.1.2/hw/vfio/pci.c:3133
+#6  0x000055555586c3ab in pci_qdev_realize () at ../qemu-9.1.2/hw/pci/pci.c:2097
+#7  0x0000555555b924f3 in device_set_realized () at ../qemu-9.1.2/hw/core/qdev.c:510
+#8  0x0000555555b9c37f in property_set_bool () at ../qemu-9.1.2/qom/object.c:2354
+#9  0x0000555555b9a21a in object_property_set () at ../qemu-9.1.2/qom/object.c:1463
+#10 0x0000555555b9abbf in object_property_set_qobject () at ../qemu-9.1.2/qom/qom-qobject.c:28
+#11 object_property_set_bool () at ../qemu-9.1.2/qom/object.c:1533
+#12 0x000055555594dafb in qdev_device_add_from_qdict () at ../qemu-9.1.2/system/qdev-monitor.c:719
+#13 0x00005555559586f1 in qemu_create_cli_devices () at ../qemu-9.1.2/system/vl.c:2664
+#14 qmp_x_exit_preconfig () at ../qemu-9.1.2/system/vl.c:2721
+#15 0x0000555555962396 in qemu_init () at ../qemu-9.1.2/system/vl.c:3766
+#16 0x00005555556d2abd in main () at ../qemu-9.1.2/system/main.c:47
+```
+
+dmesg:
+```
+[ 4846.200960] qemu-system-x86[26518]: segfault at b8 ip 00006149e75a64e6 sp 00007fff4c85fbe0 error 4 in qemu-system-x86_64[5c24e6,6149e7155000+72c000] likely on CPU 4 (core 4, socket 0)
+[ 4846.200968] Code: 2e 01 83 c0 01 89 05 0d cd 2e 01 48 8b 43 40 48 85 c0 74 16 ba 01 00 00 00 f0 0f c1 50 18 81 fa fe ff ff 7f 0f 87 c4 00 00 00 <49> 8b 84 24 b8 00 00 00 48 85 c0 74 55 8b 93 b0 00 00 00 eb 11 0f
+```