diff options
| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:35:14 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:35:14 +0200 |
| commit | 3e4c5a6261770bced301b5e74233e7866166ea5b (patch) | |
| tree | 9379fddaba693ef8a045da06efee8529baa5f6f4 /gitlab/issues_text/target_i386/host_missing/accel_missing/2894 | |
| parent | e5634e2806195bee44407853c4bf8776f7abfa4f (diff) | |
| download | qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.tar.gz qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.zip | |
clean up repository
Diffstat (limited to 'gitlab/issues_text/target_i386/host_missing/accel_missing/2894')
| -rw-r--r-- | gitlab/issues_text/target_i386/host_missing/accel_missing/2894 | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/gitlab/issues_text/target_i386/host_missing/accel_missing/2894 b/gitlab/issues_text/target_i386/host_missing/accel_missing/2894 deleted file mode 100644 index 7c87f4751..000000000 --- a/gitlab/issues_text/target_i386/host_missing/accel_missing/2894 +++ /dev/null @@ -1,25 +0,0 @@ -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). -Description of problem: -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). -Steps to 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 information: -``` ->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 -``` - |