Re: [Qemu-discuss] Custom board with DTS/DTB

2016-12-07 Thread James Hanley
Seems like I spoke too soon. Removed the DTB option and started down the road of building up our board as a test and connect gdb to the target with the --gdb option. jim@jim-VirtualBox:~/project/test$ gdb qemu-build/arm-softmmu/qemu-system-arm

[Qemu-discuss] how to get the features of a cpu model

2016-12-07 Thread Feng, Shaohe
Hi all, I write a script to get the features of a cpu model https://github.com/shaohef/cpu_model_features/blob/master/intersection_features.py I use “qemu -cpu model,+features,check“ to try whether a cpu model can support a feature. I find different cpu models can support same features on

Re: [Qemu-discuss] CPU low load problem

2016-12-07 Thread Francois Pussault
Hello looks like your stress test " single thread CPU" is running 1/28 100% vcpu so on host it cannot be more than qemu other stuff and added vmachines cpu usage.If you wanna make a stress test that impact the host CPU load with many-vcpu machines you must use a multithreaded stress test. This

[Qemu-discuss] Guest crash with "pthread_create failed:kvm resource temporarily unavailable".

2016-12-07 Thread John Y.
My guest crashed with "pthread_create failed:kvm resource temporarily unavailable". in libvirt log. Qemu is run as root: # cat /etc/libvirt/qemu.conf | grep root user = "root" group = "root" qemu version: #/usr/libexec/qemu-kvm --version QEMU PC emulator version 0.12.1 (qemu-kvm-0.12.1.2),