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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-30 12:34:26 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-30 12:35:44 +0000 |
| commit | 25f8033d556aa17afaea4a5196ea7a69fe248320 (patch) | |
| tree | 0f056db167683be54ea1e5e72d29d6069af55e7d /results/classifier/deepseek-2-tmp/output/hypervisor/1739413 | |
| parent | 8e6da29e4ee5fc14bc1cc816a24f21271f14090d (diff) | |
| download | qemu-analysis-25f8033d556aa17afaea4a5196ea7a69fe248320.tar.gz qemu-analysis-25f8033d556aa17afaea4a5196ea7a69fe248320.zip | |
add new temporary deepseek-r1:14b results
Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/hypervisor/1739413')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/hypervisor/1739413 | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/hypervisor/1739413 b/results/classifier/deepseek-2-tmp/output/hypervisor/1739413 new file mode 100644 index 000000000..63a9dc6e6 --- /dev/null +++ b/results/classifier/deepseek-2-tmp/output/hypervisor/1739413 @@ -0,0 +1,51 @@ + +Hotplugged vcpu does not guarantee cpu compat mode(power8) on power9 host + +./ppc64-softmmu/qemu-system-ppc64 -version +QEMU emulator version 2.11.50 (v2.11.0-254-gaf35267) + +1. Boot a power8 compat mode guest power9 HW. +./ppc64-softmmu/qemu-system-ppc64 -machine pseries,accel=kvm,max-cpu-compat=power8 -m 4096 /home/sath/images/guest.qcow2 -smp 1,maxcpus=2 -serial /dev/pts/8 -monitor stdio -vga none -nographic +QEMU 2.11.50 monitor - type 'help' for more information +(qemu) + +2. Check for cpuinfo + +# cat /proc/cpuinfo +processor : 0 +cpu : POWER8 (architected), altivec supported +clock : 2200.000000MHz +revision : 2.1 (pvr 004e 1201) + +timebase : 512000000 +platform : pSeries +model : IBM pSeries (emulated by qemu) +machine : CHRP IBM pSeries (emulated by qemu) +MMU : Hash + + +3. Run a small program invoking isa v3.0 instruction, it should complain 'Illegal instruction' as it is a power8 compat guest +# cat 1.c +#include <stdio.h> +void main() + { + asm volatile (".long 0x7c0005e6"); + } +# ./a.out +[ 59.352795] a.out[1741]: unhandled signal 4 at 0000000010000600 nip 0000000010000600 lr 00007fffb4da5080 code 1 +Illegal instruction + +4. Hotplug a vcpu +(qemu) device_add host-spapr-cpu-core,id=core1,core-id=1 +(qemu) info cpus +* CPU #0: nip=0xc0000000000de42c thread_id=113110 + CPU #1: nip=0xc0000000000de42c thread_id=113348 + +5. Try running the same program in the hotplugged vcpu and it does not complain as 'Illegal instruction' + +#taskset -c 1 ./a.out ----------------------NOK +# + +# taskset -c 0 ./a.out +[ 356.618031] a.out[1755]: unhandled signal 4 at 0000000010000600 nip 0000000010000600 lr 00007fffae7f5080 code 1 +Illegal instruction \ No newline at end of file |