Manjaro plasmashell randomly crashes

Hi, since the I have installed Manjaro KDE i’ve been experiencing random freezes, sometimes the screen goes black a period after not using my laptop and not coming back after, and sometimes i start manjaro and the system is already freezed, so i have to hard restart the pc one or multiple times.
My laptop specs: 8gb ram, i5-6400u, geforce 920mx
I downloaded the video.hybrid-intel-nvidia-440xx-prime but remains the same.
i checked the journalbct

– Logs begin at Wed 2020-11-11 23:13:03 WET, end at Wed 2020-11-11 23:26:24 WET. –
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: Corrected error received: 0000:00:1c.5
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 5330 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: [ 0] RxErr (First)
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 55 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: [ 0] RxErr (First)
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 36 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: device [8086:9d15] error status/mask=00000001/00002000
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 35 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: device [8086:9d15] error status/mask=00000001/00002000
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 31 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: device [8086:9d15] error status/mask=00000001/00002000
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 36 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID)
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 31 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID)
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 35 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: [ 0] RxErr (First)
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 37 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID)
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 32 kernel messages
nov 11 23:13:03 dinis-x541uv kernel: pcieport 0000:00:1c.5: AER: Corrected error received: 0000:00:1c.5
nov 11 23:13:03 dinis-x541uv systemd-journald[226]: Missed 37 kernel messages

and i did lspci -nnk | grep “8086:9d15”
and gave me 00:1c.5 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 [8086:9d15] (rev f1)

so now idk what else to do, could someone help me? thx

Hello,

Add pci=noaer kernel boot parameter.
Example:
GRUB_CMD_LINUX_DEFAULT="quiet pci=noaer"
inside /etc/default/grub file, do not let out what you already have, and make sure there are no typos, and then update grub:
sudo update-grub
Reboot and those AER messages should be gone.

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