diff options
| 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/1693649 | |
| parent | adedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff) | |
| download | emulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz emulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip | |
add launchpad bug reports without comments
Diffstat (limited to 'results/scraper/launchpad-without-comments/1693649')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1693649 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1693649 b/results/scraper/launchpad-without-comments/1693649 new file mode 100644 index 00000000..c605f543 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1693649 @@ -0,0 +1,11 @@ +x86 pause misbehaves with -cpu haswell + +Using qemu-2.9.0 + +When booting NetBSD using '-cpu haswell -smp 4', the system fails to initialize the additional CPUs. It appears as though the "application processor" enters routine x86_pause() but never returns. + +x86_pause() is simply two assembler instructions: 'pause; ret;' + +Replacing the routine with 'nop; nop; ret;' allows the system to proceed, of course without the benefit of the pause instruction on spin-loops! + +Additionally, booting with '-cpu phenom -smp 4' also works, although the system does seem confused about the type of CPU being used. \ No newline at end of file |