On 22/08/2017 05:29, Yu Chen wrote: > Hi all, > > I'm using qemu on top of 4.13-rc6, and I got quite some warnings > and my vguest dies at last. Here's my setting: > > > virt-install --name=Win8 --ram=4096 --cpu=host --vcpus=2 \ > --os-type=windows --os-variant=win8.1 \ > --disk Win8.qcow2,bus=virtio \ > --graphics spice --network network=default,model=virtio \ > --import --noautoconsole Does 4.12 work? Paolo > > And here's the floody warning: > > [ 2903.385773] ------------[ cut here ]------------ > [ 2903.385794] WARNING: CPU: 1 PID: 2928 at arch/x86/kvm/mmu.c:717 > mmu_spte_clear_track_bits+0x86/0x110 [kvm] > [ 2903.385794] Modules linked in: vhost_net vhost tap xt_CHECKSUM > iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat > nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack > nf_conntrack libcrc32c ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp > llc ebtable_filter ebtables ip6table_filter ip6_tables > iptable_filter ip_tables x_tables rfcomm bnep arc4 asix usbnet mii > binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi hid_multitouch > dell_laptop snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc > snd_soc_sst_dsp snd_hda_codec_realtek intel_rapl > snd_hda_codec_generic snd_hda_ext_core snd_soc_sst_match snd_soc_core > x86_pkg_temp_thermal intel_powerclamp snd_compress coretemp > crct10dif_pclmul snd_pcm_dmaengine ac97_bus crc32_pclmul snd_hda_intel > snd_hda_codec snd_hda_core snd_hwdep ghash_clmulni_intel > [ 2903.385817] snd_pcm pcbc snd_seq_midi snd_seq_midi_event > snd_rawmidi aesni_intel aes_x86_64 crypto_simd snd_seq glue_helper > cryptd snd_seq_device intel_cstate intel_rapl_perf snd_timer > ath10k_pci snd ath10k_core ath joydev mac80211 input_leds uvcvideo > dell_wmi dell_smbios serio_raw cfg80211 dcdbas > videobuf2_vmalloc videobuf2_memops soundcore wmi_bmof videobuf2_v4l2 > idma64 rtsx_pci_ms virt_dma videobuf2_core videodev memstick mei_me > mei media intel_pch_thermal intel_lpss_pci btusb > processor_thermal_device shpchp btrtl intel_soc_dts_iosf > hci_uart btbcm btqca btintel soc_button_array intel_vbtn bluetooth > ecdh_generic intel_lpss_acpi intel_lpss intel_hid int3403_thermal > int340x_thermal_zone int3400_thermal sparse_keymap acpi_thermal_rel > acpi_pad acpi_als kfifo_buf industrialio mac_hid kvm_intel kvm > [ 2903.385846] irqbypass parport_pc ppdev lp parport autofs4 > rtsx_pci_sdmmc i915 i2c_algo_bit drm_kms_helper psmouse syscopyarea > sysfillrect nvme sysimgblt fb_sys_fops nvme_core i2c_hid drm rtsx_pci > wmi hid pinctrl_sunrisepoint video pinctrl_intel > [ 2903.385860] CPU: 1 PID: 2928 Comm: qemu-system-x86 Not tainted > 4.13.0-rc6+ #32 > [ 2903.385861] Hardware name: Dell Inc. XPS 13 9360/05JK94, BIOS > 1.2.3 12/01/2016 > [ 2903.385862] task: ffff979b6d918fc0 task.stack: ffffbd7a02d98000 > [ 2903.385878] RIP: 0010:mmu_spte_clear_track_bits+0x86/0x110 [kvm] > [ 2903.385878] RSP: 0018:ffffbd7a02d9bb20 EFLAGS: 00010246 > [ 2903.385879] RAX: 0000000000000000 RBX: 0000000005f34f77 RCX: > ffffffffffffffff > [ 2903.385880] RDX: 0000000000000000 RSI: ffff9799437bfa48 RDI: > ffffe6bd8017cd00 > [ 2903.385881] RBP: ffffbd7a02d9bb40 R08: 0000000000000100 R09: > 0000000000000023 > [ 2903.385881] R10: ffff979901110008 R11: ffff979901110000 R12: > 0000000000005f34 > [ 2903.385882] R13: ffff979b12610000 R14: ffff979b2e786348 R15: > 0000000000000069 > [ 2903.385883] FS: 00007f96f7691c00(0000) GS:ffff979b7e480000(0000) > knlGS:0000000000000000 > [ 2903.385884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 2903.385884] CR2: 00007fb852901140 CR3: 00000002732e3000 CR4: > 00000000003426e0 > [ 2903.385885] Call Trace: > [ 2903.385898] drop_spte+0x1a/0xb0 [kvm] > [ 2903.385908] mmu_page_zap_pte+0xcd/0xe0 [kvm] > [ 2903.385919] kvm_mmu_prepare_zap_page+0x65/0x310 [kvm] > [ 2903.385930] kvm_mmu_invalidate_zap_all_pages+0xeb/0x140 [kvm] > [ 2903.385941] kvm_mmu_invalidate_zap_pages_in_memslot+0xe/0x10 [kvm] > [ 2903.385952] kvm_page_track_flush_slot+0x57/0x80 [kvm] > [ 2903.385963] kvm_arch_flush_shadow_memslot+0xe/0x10 [kvm] > [ 2903.385972] __kvm_set_memory_region.part.50+0x7b0/0x940 [kvm] > [ 2903.385981] kvm_set_memory_region+0x4d/0x60 [kvm] > [ 2903.385990] kvm_vm_ioctl+0x48a/0x870 [kvm] > [ 2903.385993] ? do_send_sig_info+0x6c/0xa0 > [ 2903.385996] do_vfs_ioctl+0xa1/0x5e0 > [ 2903.385999] ? SyS_futex+0x7f/0x180 > [ 2903.386000] SyS_ioctl+0x79/0x90 > [ 2903.386002] entry_SYSCALL_64_fastpath+0x1e/0xa9 > [ 2903.386003] RIP: 0033:0x7f96f23b7f07 > [ 2903.386004] RSP: 002b:00007ffddbdf5448 EFLAGS: 00000246 ORIG_RAX: > 0000000000000010 > [ 2903.386005] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: > 00007f96f23b7f07 > [ 2903.386005] RDX: 00007ffddbdf54b0 RSI: 000000004020ae46 RDI: > 000000000000000d > [ 2903.386006] RBP: ffffffffffffffff R08: 0000560b89bd5e40 R09: > 0000560b89bde000 > [ 2903.386006] R10: 0000000000000000 R11: 0000000000000246 R12: > 0000000000000000 > [ 2903.386007] R13: 0000560b89bc7540 R14: 0000000000000000 R15: > 0000560b87d66440 > [ 2903.386008] Code: 2f fe ff 84 c0 75 26 4c 89 e0 48 c1 e0 06 48 03 > 05 b8 51 6b ed 48 8b 50 20 48 8d 4a ff 83 e2 01 48 0f 45 c1 8b 40 1c > 85 c0 75 02 <0f> ff 48 b8 00 00 00 00 00 00 00 40 48 21 d8 49 89 c5 75 > 50 48 > [ 2903.386025] ---[ end trace 0fe4feafc699781e ]--- > > > Any idea on this? Thanks. > > > Yu >