Hi, here comes a small part of the dmesg output. Qemu/KVM produces now a CPU usage of about 90%.
Sep 2 11:27:35 ubuntu klogd: [ 335.057707] ------------[ cut here ]------------ Sep 2 11:27:35 ubuntu klogd: [ 335.057711] WARNING: at kernel/irq/manage.c:180 __enable_irq+0x34/0x80() Sep 2 11:27:35 ubuntu klogd: [ 335.057713] Unbalanced enable for IRQ 21 Sep 2 11:27:35 ubuntu klogd: [ 335.057714] Modules linked in: kvm_intel kvm ipv6 binfmt_misc i915 drm rfcomm l2cap bluetooth ppdev cpufreq_ondemand cpufreq_conservative cpufreq_stats freq_table cpufreq_powersave cpufreq_userspace sbs wmi container sbshc video output pci_slot bay battery iptable_filter ip_tables x_tables ac lp loop snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device iTCO_wdt serio_raw psmouse iTCO_vendor_support snd soundcore snd_page_alloc parport_pc parport button shpchp pci_hotplug intel_agp joydev evdev dcdbas ext3 jbd mbcache sg sd_mod crc_t10dif sr_mod cdrom ata_generic usbhid hid pata_acpi ahci 8139too ehci_hcd libata uhci_hcd 8139cp mii scsi_mod usbcore dock thermal processor fan fuse Sep 2 11:27:35 ubuntu klogd: [ 335.057756] Pid: 6609, comm: qemu-system-x86 Tainted: G W 2.6.27-rc4 #5 Sep 2 11:27:35 ubuntu klogd: [ 335.057758] Sep 2 11:27:35 ubuntu klogd: [ 335.057758] Call Trace: Sep 2 11:27:35 ubuntu klogd: [ 335.057761] [<ffffffff802469bc>] warn_slowpath+0xbc/0xf0 Sep 2 11:27:35 ubuntu klogd: [ 335.057769] [<ffffffffa0450ba6>] ? walk_shadow+0x96/0xe0 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057777] [<ffffffffa0455190>] ? paging64_page_fault+0x220/0x270 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057785] [<ffffffffa0456a78>] ? x86_decode_insn+0x8a8/0xe20 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057792] [<ffffffffa04536c0>] ? paging64_shadow_walk_entry+0x0/0x210 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057795] [<ffffffff80294a04>] __enable_irq+0x34/0x80 Sep 2 11:27:35 ubuntu klogd: [ 335.057797] [<ffffffff80294aa2>] enable_irq+0x52/0x80 Sep 2 11:27:35 ubuntu klogd: [ 335.057805] [<ffffffffa044acad>] kvm_assigned_dev_ack_irq+0x2d/0x40 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057812] [<ffffffffa045ad4a>] kvm_notify_acked_irq+0x3a/0x60 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057820] [<ffffffffa045ac01>] kvm_pic_read_irq+0x91/0x140 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057827] [<ffffffffa045ae8f>] kvm_cpu_get_interrupt+0x5f/0x70 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057831] [<ffffffffa0475748>] vmx_intr_assist+0x178/0x190 [kvm_intel] Sep 2 11:27:35 ubuntu klogd: [ 335.057838] [<ffffffffa04503c8>] kvm_arch_vcpu_ioctl_run+0x3a8/0x810 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057841] [<ffffffff8026193a>] ? enqueue_hrtimer+0x8a/0x140 Sep 2 11:27:35 ubuntu klogd: [ 335.057848] [<ffffffffa04455d2>] kvm_vcpu_ioctl+0x2f2/0x5b0 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057856] [<ffffffffa0446d75>] ? kvm_vm_ioctl+0xd5/0x280 [kvm] Sep 2 11:27:35 ubuntu klogd: [ 335.057858] [<ffffffff8020a675>] ? __switch_to+0x265/0x490 Sep 2 11:27:35 ubuntu klogd: [ 335.057860] [<ffffffff802ef7c6>] vfs_ioctl+0x36/0xb0 Sep 2 11:27:35 ubuntu klogd: [ 335.057862] [<ffffffff804e6259>] ? thread_return+0x3d/0x654 Sep 2 11:27:35 ubuntu klogd: [ 335.057864] [<ffffffff802efac3>] do_vfs_ioctl+0x283/0x2f0 Sep 2 11:27:35 ubuntu klogd: [ 335.057866] [<ffffffff802e2078>] ? fget_light+0x68/0xb0 Sep 2 11:27:35 ubuntu klogd: [ 335.057868] [<ffffffff802efbd1>] sys_ioctl+0xa1/0xb0 Sep 2 11:27:35 ubuntu klogd: [ 335.057870] [<ffffffff8020c7da>] system_call_fastpath+0x16/0x1b Sep 2 11:27:35 ubuntu klogd: [ 335.057872] Sep 2 11:27:35 ubuntu klogd: [ 335.057873] ---[ end trace 5c1916f7999c68bb ]-- This messages comes endless. Something with IRQs? Regards, Gregor Glomm -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
