Bluetooth stops working after kernel update

English Hardware
#1

I installed Tumbleweed on my laptop for the first time.
And after a kernel update, I noticed that my Bluetooth stopped working.
I got an error like this:

Direct firmware load for mediatek/BT_RAM_CODE_MT7922_1_1_hdr.bin failed error code -2

After a lot of research, I discovered that the problem was in the initrd files, but after recreating them nothing changed.
So I began my research again. Then I recreated the initrd using:

dracut -f --omit bluetooth --regenerate-all

Now my Bluetooth works again.
I’m a Linux noob, just wanted to know if there was another way to solve this and make a topic to help someone with the same problem.

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#2

It’s my understand an error code 2 is related to “missing file or sub-directory”.

Did you attempt to locate the “*.bin” file shown in your first code quote ?
(before recreating initrd)

#3

Yes, I did.
It was located in:

/usr/lib/firmware/mediatek/BT_RAM_CODE_MT7922_1_1_hdr.bin.xz

I didn’t understand why it couldn’t be loaded.

#4

Probably because it was not extracted. .xz is a compression format, similar to .gzip or .bzip2. Maybe just extracting it might have solved it. But anyways you solved your issue, so that’s good.

#5

Most of them are zipped to xz, see in your firmware directory.

1 Like
#6

Sorry for the late reply.
However, uncompressing the file does not make the Bluetooth work.