Hello MIke, but this concerns a windows guest. you mean a kernel configuration within the guest (aka recompile ?) or a boot parameter within the guest ?
regards, Tobias. On 18-10-13 09:26, mike wrote: > On 10/18/2013 03:12 PM, tobias wrote: >> Hello Mike, >> >> Thanks a lot for getting back on this. >> Is the "cpu idle driver" a command line option I need to specify for >> qemu (the -cpu option ?) >> I could not find a reference to "idle" in the man page. > You need to check the guest kernel config file. > > Thanks > Mike >> regards, >> >> Tobias. >> >> On 18-10-13 04:33, mike wrote: >>> On 10/18/2013 04:29 AM, tobias wrote: >>>> hi, >>>> >>>> tried your option but it does not help. (cpu usage is still high) >>>> below my command line syntax: >>>> qemu-system-x86_64 -global mc146818rtc.lost_tick_policy=slew -machine >>>> accel=kvm:tcg -name win7 -S -machine pc-i440fx-1.4,accel=kvm,usb=off >>>> -m 2048 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid >>>> 813f5806-64ec-3319-452a-5e1834e753c9 -no-user-config -nodefaults >>>> -chardev >>>> socket,id=charmonitor,path=/var/lib/libvirt/qemu/win7.monitor,server,nowait >>>> >>>> >>>> -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime >>>> -no-shutdown -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 >>>> -device >>>> ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5 >>>> >>>> >>>> -device >>>> ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1 >>>> -device >>>> ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2 >>>> -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x8 -drive >>>> file=/data/vmware/win7.img,if=none,id=drive-virtio-disk0,format=qcow2 >>>> -device >>>> virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 >>>> >>>> >>>> -device usb-tablet,id=input0 -device >>>> intel-hda,id=sound0,bus=pci.0,addr=0x4 -device >>>> hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device >>>> virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 -vga std >>> Hi, have you enable the kernel CPU idle driver? especially the guest >>> kernel. >>> >>> Thanks >>> Mike >>> > -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu. https://bugs.launchpad.net/bugs/1174654 Title: qemu-system-x86_64 takes 100% CPU after host machine resumed from suspend to ram To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1174654/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs