watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [systemd-timesyn:669]
Modules linked in: ccm cmac bnep nls_iso8859_1 snd_hda_codec_hdmi arc4 snd_hda_codec_realtek snd_hda_codec_generic hid_multitouch intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass snd_hda_intel crct10dif_pclmul crc32_pclmul snd_hda_codec ghash_clmulni_intel pcbc iwlmvm snd_hda_core snd_hwdep snd_pcm mac80211 aesni_intel aes_x86_64 crypto_simd glue_helper cryptd snd_seq_midi intel_cstate intel_rapl_perf snd_seq_midi_event uvcvideo videobuf2_vmalloc snd_rawmidi videobuf2_memops serio_raw videobuf2_v4l2 videobuf2_core iwlwifi snd_seq btusb idma64 btrtl virt_dma snd_seq_device btbcm snd_timer btintel cfg80211 rtsx_pci_ms bluetooth videodev snd memstick mei_me asus_nb_wmi intel_lpss_pci joydev asus_wmi media input_leds wmi_bmof soundcore sparse_keymap ecdh_generic
 intel_lpss mei shpchp intel_pch_thermal acpi_pad tpm_crb asus_wireless mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_asus uas usb_storage usbhid nouveau rtsx_pci_sdmmc mxm_wmi i915 ttm i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops r8169 drm rtsx_pci ahci mii libahci i2c_hid hid wmi video
CPU: 0 PID: 669 Comm: systemd-timesyn Tainted: G             L   4.15.0-10-generic #11-Ubuntu
Hardware name: ASUSTeK COMPUTER INC. GL553VD/GL553VD, BIOS GL553VD.306 01/02/2018
RIP: 0010:smp_call_function_many+0x229/0x250
RSP: 0018:ffff96e48168bcf8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11
RAX: 0000000000000002 RBX: ffff88eb7d023880 RCX: 0000000000000001
RDX: ffff88eb7d0a7e40 RSI: 0000000000000000 RDI: ffff88eb7cc41a40
RBP: ffff96e48168bd30 R08: fffffffffffffffc R09: 00000000000000fe
R10: ffffeddb49a2a600 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000023840 R14: ffffffff9ab08900 R15: 0000000000000000
FS:  00007f00cb863940(0000) GS:ffff88eb7d000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cbc9f75378 CR3: 000000026e100002 CR4: 00000000003606f0
Call Trace: