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authorChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
commit4b927bc37359dec23f67d3427fc982945f24f404 (patch)
tree245449ef9146942dc7fffd0235b48b7e70a00bf2 /gitlab/issues/target_i386/host_missing/accel_missing/2894.toml
parentaa8bd79cec7bf6790ddb01d156c2ef2201abbaab (diff)
downloadqemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.tar.gz
qemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.zip
add gitlab issues in toml format
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@@ -0,0 +1,33 @@
+id = 2894
+title = "There is a bug in versions 2025-02-10 and later that causes virtual machines to be created with incorrect SMP settings with warnings about TCG features when setting more than 2 cores with the smp option in the default TCG acceleration (see main text)."
+state = "opened"
+created_at = "2025-03-31T08:23:25.359Z"
+closed_at = "n/a"
+labels = ["target: i386"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/2894"
+host-os = "Windows"
+host-arch = "x86_64"
+qemu-version = "9.2.50 or later"
+guest-os = "Not applicable"
+guest-arch = "x86_64"
+description = """When using qemu-system-x86_64 in versions 9.2.50 and later, if you create a virtual machine with 2 or more cores using the smp option,
+
+```
+qemu-system-x86_64: warning: TCG doesn't support requested feature: CPUID.01H:EDX.ht [bit 28]
+qemu-system-x86_64: warning: TCG doesn't support requested feature: CPUID.80000001H:ECX.cmp-legacy [bit 1]
+```
+The log will be displayed as many as the number of cores you have enabled, and the created virtual machine will be displayed as having a 1-core CPU with the number of cores you have enabled.
+* I have not tested whether the same symptom occurs on versions 9.2.50 and later for other environments (Linux and the WoA version released on March 26th)."""
+reproduce = """1. Create a virtual machine with more than two cores using TCG acceleration, which is the default acceleration, by using options such as 'qemu-system-x86_64 -smp 2' or 'qemu-system-x86_64 -smp sockets=1,cores=2,threads=1'.
+2. 'qemu-system-x86_64: warning: TCG doesn't support requested feature: CPUID.01H:EDX.ht [bit 28]' and
+'qemu-system-x86_64: warning: TCG doesn't support requested feature: CPUID.80000001H:ECX.cmp-legacy [bit 1]'
+The log is generated as many as the number of cores set and the virtual machine is created.
+3. When checking the CPU information of the booted virtual machine, it does not show that there is one CPU with the specified number of cores, but rather that there is a single core CPU with the specified number of cores."""
+additional = """```
+>qemu-system-x86_64 -M q35 -smp 2 -m 4g -display sdl -usb -device usb-tablet -drive file=MasterOS.vdi,id=disk,if=none -drive file="C:\\Program Files\\qemu\\share\\edk2-x86_64-code.fd",id=efi,readonly=on,format=raw,if=pflash -device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.1 -rtc base=localtime
+```
+![스크린샷_2025-03-31_164120](/uploads/4ddc95e8f90532e9c22d4f7c5c181c1a/스크린샷_2025-03-31_164120.png)
+```
+>qemu-system-x86_64 -M q35 -smp 4 -m 4g -display sdl -usb -device usb-tablet -drive file=MasterOS.vdi,id=disk,if=none -drive file="C:\\Program Files\\qemu\\share\\edk2-x86_64-code.fd",id=efi,readonly=on,format=raw,if=pflash -device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.1 -rtc base=localtime
+```
+![스크린샷_2025-03-31_164917](/uploads/978d86c5f1b1d81230a0e96cd1bd10b9/스크린샷_2025-03-31_164917.png)"""