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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-30 12:24:58 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-30 12:27:06 +0000 |
| commit | 33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch) | |
| tree | 406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/1703506 | |
| parent | adedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff) | |
| download | qemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz qemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip | |
add launchpad bug reports without comments
Diffstat (limited to 'results/scraper/launchpad-without-comments/1703506')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1703506 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1703506 b/results/scraper/launchpad-without-comments/1703506 new file mode 100644 index 000000000..4e1595cb6 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1703506 @@ -0,0 +1,9 @@ +SMT not supported by QEMU on AMD Ryzen CPU + +HyperThreading/SMT is supported by AMD Ryzen CPUs but results in this message when setting the topology to threads=2: + +qemu-system-x86_64: AMD CPU doesn't support hyperthreading. Please configure -smp options properly. + +Checking in a Windows 10 guest reveals that SMT is not enabled, and from what I understand, QEMU converts the topology from threads to cores internally on AMD CPUs. This appears to cause performance problems in the guest perhaps because programs are assuming that these threads are actual cores. + +Software: Linux 4.12, qemu 2.9.0 host with KVM enabled, Windows 10 pro guest \ No newline at end of file |