Ubuntu 20.04 cannot shutdown/reboot properly

I shut down my PC but it stuck at "Reached target shutdown/reboot".

Stuck when shutdown/reboot

Below is the journal log when I run

journalctl -b -p err

-- Logs begin at Thu 2020-08-06 20:32:59 +07, end at Fri 2020-08-07 23:17:32 +07. --

Thg 8 07 23:14:11 Joker kernel: BUG: unable to handle page fault for address: ffffa2220091ffff

Thg 8 07 23:14:11 Joker kernel: #PF: supervisor read access in kernel mode

Thg 8 07 23:14:11 Joker kernel: #PF: error_code(0x0000) - not-present page

Thg 8 07 23:14:12 Joker kernel: nvidia-gpu 0000:01:00.3: i2c timeout error e0000000

Thg 8 07 23:14:12 Joker kernel: ucsi_ccg 0-0008: i2c_transfer failed -110

Thg 8 07 23:14:12 Joker kernel: ucsi_ccg 0-0008: ucsi_ccg_init failed - -110

Thg 8 07 23:16:55 Joker gdm-password][1601]: gkr-pam: unable to locate daemon control file

Thg 8 07 23:17:11 Joker systemd-udevd[466]: INT3450:00: Worker [512] processing SEQNUM=4314 killed

Thg 8 07 23:17:11 Joker systemd-udevd[466]: INT3450:00: Worker [495] processing SEQNUM=4477 killed

Thg 8 07 23:17:11 Joker systemd-udevd[466]: INT3450:00: Worker [512] failed

Thg 8 07 23:17:11 Joker systemd-udevd[466]: INT3450:00: Worker [495] failed

I tried to re-install the graphics driver but it still does not work. Additional Drivers

--- Edit ---

Command: free -h

total        used        free      shared  buff/cache   available
Mem:           31Gi       2,2Gi        27Gi       131Mi       1,6Gi        28Gi
Swap:         2,0Gi          0B       2,0Gi

Command: swapon -show

Filename                Type        Size    Used    Priority
/swapfile                               file        2097148 0   -2

Command: grep -i swap /etc/fstab

/swapfile                                 none            swap    sw              0       0

Command: sudo lshw -C memory

*-firmware                
       description: BIOS
       vendor: American Megatrends Inc.
       physical id: 0
       version: 0808
       date: 05/14/2020
       size: 64KiB
       capacity: 16MiB
       capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int14serial int17printer acpi usb biosbootspecification uefi
  *-memory
       description: System Memory
       physical id: 44
       slot: System board or motherboard
       size: 32GiB
     *-bank:0
          description: [empty]
          physical id: 0
          slot: ChannelA-DIMM1
     *-bank:1
          description: DIMM DDR4 Synchronous 2666 MHz (0,4 ns)
          product: F4-3000C16-16GTZR
          vendor: G-Skill
          physical id: 1
          serial: 00000000
          slot: ChannelA-DIMM2
          size: 16GiB
          width: 64 bits
          clock: 2666MHz (0.4ns)
     *-bank:2
          description: [empty]
          physical id: 2
          slot: ChannelB-DIMM1
     *-bank:3
          description: DIMM DDR4 Synchronous 2666 MHz (0,4 ns)
          product: F4-3000C16-16GTZR
          vendor: G-Skill
          physical id: 3
          serial: 00000000
          slot: ChannelB-DIMM2
          size: 16GiB
          width: 64 bits
          clock: 2666MHz (0.4ns)
  *-cache:0
       description: L1 cache
       physical id: 51
       slot: L1 Cache
       size: 384KiB
       capacity: 384KiB
       capabilities: synchronous internal write-back unified
       configuration: level=1
  *-cache:1
       description: L2 cache
       physical id: 52
       slot: L2 Cache
       size: 1536KiB
       capacity: 1536KiB
       capabilities: synchronous internal write-back unified
       configuration: level=2
  *-cache:2
       description: L3 cache
       physical id: 53
       slot: L3 Cache
       size: 12MiB
       capacity: 12MiB
       capabilities: synchronous internal write-back unified
       configuration: level=3
  *-memory UNCLAIMED
       description: Memory controller
       product: Intel Corporation
       vendor: Intel Corporation
       physical id: 1f.2
       bus info: pci@0000:00:1f.2
       version: 00
       width: 32 bits
       clock: 33MHz (30.3ns)
       configuration: latency=0
       resources: memory:a2320000-a2323fff

Command: sysctl vm.swappiness

vm.swappiness = 60

Command: sudo dmidecode -s bios-version

0808

My PC

OS: Ubuntu 20.04.1 LTS
Kernel: Linux 5.4.0-42-generic
CPU: Intel(R) Core(TM) i5-10500 CPU @ 3.10GHz
MotherBoard: ASUS ROG STRIX B460-F GAMING Rev 1.xx
BIOS version: 0808
Memory: 02 x G-Skill F4-3000C16-16GTZR 16384 MB @ 2666MHz (DIMM DDR4)
Graphics: ASUS TUF GTX 1660 Super-6G GAMING

Update (2020-08-11)

I have updated NVIDIA to 450.57 and increased swapfile to 4GB but still error.
Command : nvidia-smi

+-----------------------------------------------------------------------------+
| NVIDIA-SMI 450.57       Driver Version: 450.57       CUDA Version: 11.0     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  GeForce GTX 166...  Off  | 00000000:01:00.0  On |                  N/A |
| 31%   39C    P8    18W / 125W |    283MiB /  5936MiB |      1%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      1018      G   /usr/lib/xorg/Xorg                 35MiB |
|    0   N/A  N/A      1639      G   /usr/lib/xorg/Xorg                 91MiB |
|    0   N/A  N/A      1841      G   /usr/bin/gnome-shell              103MiB |
|    0   N/A  N/A      2296      G   ...token=7897069570677155215       32MiB |
|    0   N/A  N/A      3216      G   /usr/lib/firefox/firefox            2MiB |
|    0   N/A  N/A      3777      G   /usr/lib/firefox/firefox            2MiB |
+-----------------------------------------------------------------------------+

Command: journalctl -b -p err

-- Logs begin at Thu 2020-08-06 20:32:59 +07, end at Tue 2020-08-11 21:02:57 +07. --
Thg 8 11 21:01:46 Joker kernel: BUG: unable to handle page fault for address: ffffb1084094ffff
Thg 8 11 21:01:46 Joker kernel: #PF: supervisor read access in kernel mode
Thg 8 11 21:01:46 Joker kernel: #PF: error_code(0x0000) - not-present page
Thg 8 11 21:01:47 Joker kernel: nvidia-gpu 0000:01:00.3: i2c timeout error e0000000
Thg 8 11 21:01:47 Joker kernel: ucsi_ccg 0-0008: i2c_transfer failed -110
Thg 8 11 21:01:47 Joker kernel: ucsi_ccg 0-0008: ucsi_ccg_init failed - -110
Thg 8 11 21:02:38 Joker gdm-password][1535]: gkr-pam: unable to locate daemon control file

SOLUTION

I found this article. And I have updated kernel to the latest version 5.8 and it's working.