diff options
Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_HVF/1011.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_HVF/1011.toml | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_HVF/1011.toml b/gitlab/issues/target_missing/host_missing/accel_HVF/1011.toml new file mode 100644 index 00000000..79134ba5 --- /dev/null +++ b/gitlab/issues/target_missing/host_missing/accel_HVF/1011.toml @@ -0,0 +1,29 @@ +id = 1011 +title = "hvf: RDTSCP capability not passed to guests" +state = "closed" +created_at = "2022-05-02T20:34:23.082Z" +closed_at = "2022-07-14T13:25:47.363Z" +labels = ["accel: HVF"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/1011" +host-os = "macOS Monterey 12.3.1" +host-arch = "x86_64" +qemu-version = "6.2.0, master" +guest-os = "Alpine 3.15.4" +guest-arch = "x86_64" +description = """""" +reproduce = """1. Run: +wget https://dl-cdn.alpinelinux.org/alpine/v3.15/releases/x86/alpine-standard-3.15.4-x86.iso +./qemu-system-x86_64 -cpu host,+rdtscp -machine q35,accel=hvf -m 512 -cdrom ./alpine-standard-3.15.4-x86.iso + +2. login as "root" +3. type + +cat /etc/cpuinfo | grep rdtscp + +Expected result: cpu flag lines including rdtscp +Actual result: empty, with: + +warning: host doesn't support requested feature: CPUID.80000001H:EDX.rdtscp [bit 27]""" +additional = """This patch apparently resolves the issue according to my tests: + +https://lore.kernel.org/qemu-devel/20211101054836.21471-1-dirty@apple.com/""" |