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Diffstat (limited to 'results/scraper/launchpad-without-comments/1914748')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1914748 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1914748 b/results/scraper/launchpad-without-comments/1914748 new file mode 100644 index 00000000..c16221dd --- /dev/null +++ b/results/scraper/launchpad-without-comments/1914748 @@ -0,0 +1,15 @@ +Confuse error message when KVM can not start requested CPU + +As of commit 1ba089f2255, on Cavium CN8890 (ThunderX cores): + +$ qemu-system-aarch64 -display none -accel kvm -M virt,gic-version=3 -accel kvm -cpu cortex-a57 --trace \*kvm_vcpu\* +kvm_vcpu_ioctl cpu_index 0, type 0x4020aeae, arg 0xffff9b7f9b18 +qemu-system-aarch64: kvm_init_vcpu: kvm_arch_init_vcpu failed (0): Invalid argument + +(same using "-cpu cortex-a53" or cortex-a72). + +Explanation from Peter Maydell on IRC: +> using a specific cpu type will only work with KVM if the host CPU really is that +> exact CPU type, otherwise, use "-cpu host" or "-cpu max" + +Having a better error description would help to understand the reason. \ No newline at end of file |