From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34129) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VX4EZ-0000XB-CL for qemu-devel@nongnu.org; Fri, 18 Oct 2013 03:12:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VX4ER-00021i-T8 for qemu-devel@nongnu.org; Fri, 18 Oct 2013 03:12:31 -0400 Received: from fep15.mx.upcmail.net ([62.179.121.35]:39171) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VX4ER-0001xP-Ix for qemu-devel@nongnu.org; Fri, 18 Oct 2013 03:12:23 -0400 Received: from edge01.upcmail.net ([192.168.13.236]) by viefep15-int.chello.at (InterMail vM.8.01.05.05 201-2260-151-110-20120111) with ESMTP id <20131018071220.NUTR266.viefep15-int.chello.at@edge01.upcmail.net> for ; Fri, 18 Oct 2013 09:12:20 +0200 Message-ID: <5260DF4F.6010405@appelo.org> Date: Fri, 18 Oct 2013 09:12:15 +0200 From: tobias appelo MIME-Version: 1.0 References: <20130430080722.32341.54160.malonedeb@gac.canonical.com> <20131017202953.11385.1927.malone@gac.canonical.com> <52609E03.9020604@linux.vnet.ibm.com> In-Reply-To: <52609E03.9020604@linux.vnet.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [Bug 1174654] Re: qemu-system-x86_64 takes 100% CPU after host machine resumed from suspend to ram List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: mike , Bug 1174654 <1174654@bugs.launchpad.net> Cc: qemu-devel@nongnu.org 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. 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 >> > >