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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/1890069 | |
| 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/1890069')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1890069 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1890069 b/results/scraper/launchpad-without-comments/1890069 new file mode 100644 index 000000000..2a9250d40 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1890069 @@ -0,0 +1,23 @@ +QEMU is not allowing multiple cores with mips architecture + +I may have found a bug as when trying to boot up an QEMU VM with the following command: "qemu-system-mips -M malta -m 512 -hda hda.img -kernel vmlinux-4.19.0-10-4kc-malta -initrd initrd.img-4.19.0-10-4kc-malta -append "root=/dev/sda1 console=ttyS0" -nographic -device e1000,netdev=user.0 -netdev user,id=user.0,hostfwd=tcp::5555-:22 -smp cores=12,threads=1,sockets=1", it will use up all of the CPU cores on the host, but not bootup? + +Kernel log also shows: +[ 100.303136] perf: interrupt took too long (2506 > 2500), lowering kernel.perf_event_max_sample_rate to 79750 +[ 107.656869] perf: interrupt took too long (3195 > 3132), lowering kernel.perf_event_max_sample_rate to 62500 +[ 117.668390] perf: interrupt took too long (4033 > 3993), lowering kernel.perf_event_max_sample_rate to 49500 +[ 217.166763] perf: interrupt took too long (5126 > 5041), lowering kernel.perf_event_max_sample_rate to 39000 +[ 231.910132] perf: interrupt took too long (6445 > 6407), lowering kernel.perf_event_max_sample_rate to 31000 +[ 250.170677] perf: interrupt took too long (8087 > 8056), lowering kernel.perf_event_max_sample_rate to 24500 +[ 285.391451] perf: interrupt took too long (10126 > 10108), lowering kernel.perf_event_max_sample_rate to 19750 +[ 778.588911] perf: interrupt took too long (12770 > 12657), lowering kernel.perf_event_max_sample_rate to 15500 +[ 1554.825129] perf: interrupt took too long (15982 > 15962), lowering kernel.perf_event_max_sample_rate to 12500 +[ 1622.838910] hrtimer: interrupt took 14758063 ns +[ 1712.932777] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 0.000 msecs +[ 1712.932780] perf: interrupt took too long (59793 > 19977), lowering kernel.perf_event_max_sample_rate to 3250 + + +System details: + +OS: Ubuntu 20.04 +QEMU emulator version 4.2.0 (Debian 1:4.2-3ubuntu6.3) \ No newline at end of file |