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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-21 21:21:26 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-21 21:21:26 +0200 |
| commit | 4b927bc37359dec23f67d3427fc982945f24f404 (patch) | |
| tree | 245449ef9146942dc7fffd0235b48b7e70a00bf2 /gitlab/issues/target_i386/host_missing/accel_missing/2894.toml | |
| parent | aa8bd79cec7bf6790ddb01d156c2ef2201abbaab (diff) | |
| download | qemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.tar.gz qemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.zip | |
add gitlab issues in toml format
Diffstat (limited to 'gitlab/issues/target_i386/host_missing/accel_missing/2894.toml')
| -rw-r--r-- | gitlab/issues/target_i386/host_missing/accel_missing/2894.toml | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gitlab/issues/target_i386/host_missing/accel_missing/2894.toml b/gitlab/issues/target_i386/host_missing/accel_missing/2894.toml new file mode 100644 index 000000000..b5c7f8e2f --- /dev/null +++ b/gitlab/issues/target_i386/host_missing/accel_missing/2894.toml @@ -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 +``` + +``` +>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 +``` +""" |