I did updated my Arch Linux by command
>sudo pacman -Syu
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Then i tried to re-boot it. But it gets stuck on this screen.
.

[0.000000] [Firmware Bug] : TSC_DEADLINE disabled due to Errata; please update microcode to version: 0×b2 (or later)

[0.385069] ACPI BIOS Error (bug):\_SB.PCI0.RP07.PXSX._DSW: Insufficient arguments - ASL declared 1, ACPI requires 3 (20180313/nsarguments-156)

[0.385930] ACPI BIOS Error (bug):\_SB.PCI0.RP09.PXSX._DSW: Insufficient arguments - ASL declared 1, ACPI requires 3 (20180313/nsarguments-156)

[0.425975] platform MSFT0101:00: failed to claim resource 1: [mem 0×fed40000-0×fed40fff]

[0.425982] acpi MSFT0101:00: platform device creation failed: -16 starting version 239

/dev/sda2 : clean, 749520/60522496 files, 168621747/242086912 blocks

[13.920066] Bluetooth: hci0: command 0×1003 tx timeout
_
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Configuration of my laptop.
-Model- HP AB 516-TX
-Ram- 8GB DDR3 SDRAM
-Processor- 6th gen intel core i5-6200U 2.3 Ghz
-Broadcom
-802.11b/g/n (1x1) and Bluetooth 4.0 combo
-1 TB HDD

you're going to have to boot with a rescue disk or stick, and downgrade your kernel, or experiment with a bunch of different boot options. there are a few acpi options like, append=acpi_enforce_resources=lax", or pci=noacpi, or noacpi.

i'm not sure the acpi errors are even related.

it's a good guess that this happened after a kernel upgrade, but it could be any number of other things...

have you, VARoDeK, tried to boot into rescue mode?
i'm pretty sure arch's grub has that option.
maybe you also have some other kernel installed, that you could also boot from via grub.

Hi VARoDeK,

I would also try downgrading the kernel.

Boot an Arch install medium and once at the command prompt (where you would normally initiate pacstrap), chroot into your already installed system and downgrade to previous versions of linux, linux-firmware and linux-headers.

If there is any of this that you don't know how to do, get back to us and we will guide you.

Cheers.

10 days later, op still has only one post.
they probably went back to windows...

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