https://bugzilla.kernel.org/show_bug.cgi?id=195315 Bug ID: 195315 Summary: Kernel WARNING: At arch/x86/kvm/lapic.c:1468 kvm_lapic_expired_hv_timer+0xee/0x110 [kvm] Product: Virtualization Version: unspecified Kernel Version: 4.10.9 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: paulkek@xxxxxxxxxxxxxx Regression: No I've been running Windows 7 (64bit) as a guest with QEMU(git-master)/KVM and it seems that since I've swicthed to 4.10 (To be honest, I am not sure if 4.9 also had these warnings), it started to give me the following warning: [ +0.000029] WARNING: CPU: 2 PID: 23992 at arch/x86/kvm/lapic.c:1468 kvm_lapic_expired_hv_timer+0xee/0x110 [kvm] [ +0.000002] Modules linked in: vhost_net vhost macvtap macvlan fuse ctr ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat libcrc32c crc32c_generic nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp tun bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic arc4 nls_iso8859_1 nls_cp437 vfat fat intel_rapl iwlmvm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel eeepc_wmi mac80211 asus_wmi iTCO_wdt kvm iTCO_vendor_support sparse_keymap irqbypass nouveau snd_hda_intel crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel mousedev iwlwifi snd_hda_codec evdev input_leds joydev aesni_intel mac_hid snd_hwdep [ +0.000064] aes_x86_64 crypto_simd snd_hda_core cryptd led_class mxm_wmi glue_helper cfg80211 snd_pcm ttm e1000e intel_cstate i2c_algo_bit snd_timer intel_rapl_perf snd soundcore psmouse mei_me ptp hci_uart pps_core mei i2c_i801 pcspkr shpchp btbcm btqca btintel bluetooth battery rfkill wmi video i2c_hid intel_lpss_acpi intel_lpss acpi_pad button acpi_als tpm_tis kfifo_buf tpm_tis_core industrialio tpm fjes sch_fq_codel sg ip_tables x_tables ext4 crc16 jbd2 fscrypto mbcache hid_generic usbhid hid sd_mod serio_raw atkbd libps2 ahci libahci xhci_pci libata xhci_hcd scsi_mod usbcore usb_common i8042 serio nvidia_drm(PO) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm nvidia_uvm(PO) nvidia_modeset(PO) nvidia(PO) [ +0.000078] CPU: 2 PID: 23992 Comm: CPU 0/KVM Tainted: P O 4.10.9-1-ck #1 [ +0.000002] Hardware name: System manufacturer System Product Name/Z170-A, BIOS 3401 01/25/2017 [ +0.000001] Call Trace: [ +0.000009] dump_stack+0x76/0xa0 [ +0.000005] __warn+0xda/0x100 [ +0.000004] warn_slowpath_null+0x30/0x40 [ +0.000020] kvm_lapic_expired_hv_timer+0xee/0x110 [kvm] [ +0.000006] handle_preemption_timer+0x21/0x30 [kvm_intel] [ +0.000006] vmx_handle_exit+0x169/0x1480 [kvm_intel] [ +0.000005] ? clear_atomic_switch_msr+0x15a/0x180 [kvm_intel] [ +0.000005] ? atomic_switch_perf_msrs+0x7e/0xb0 [kvm_intel] [ +0.000021] kvm_arch_vcpu_ioctl_run+0x880/0x1690 [kvm] [ +0.000005] ? _copy_to_user+0x67/0x80 [ +0.000013] kvm_vcpu_ioctl+0x348/0x640 [kvm] [ +0.000004] do_vfs_ioctl+0xb2/0x600 [ +0.000005] ? __fget+0x8a/0xc0 [ +0.000002] SyS_ioctl+0x88/0xa0 [ +0.000006] entry_SYSCALL_64_fastpath+0x1a/0xa9 [ +0.000002] RIP: 0033:0x7f57e371d0d7 [ +0.000003] RSP: 002b:00007f57d52fb8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ +0.000003] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f57e371d0d7 [ +0.000002] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000012 [ +0.000001] RBP: 00007f57d5b4fc00 R08: 000055e6c3098b90 R09: 00000000000000ff [ +0.000002] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ +0.000001] R13: 00007f57ea988000 R14: 0000000000000000 R15: 00007f57d5b4fc00 [ +0.000003] ---[ end trace b3c01e167a695ca4 ]--- -- You are receiving this mail because: You are watching the assignee of the bug.
