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#26 2018-11-19 16:26:06

carnz
Member
Registered: 2018-11-10
Posts: 16

Re: No sound card found after update

Ok... not sure this is solvable...

I tried manjaro-gnome and kubuntu from a live image and both showed the same problems and the same error in dmesg

I took a look if there is a way to enable/disable sound in BIOS, but couldn't find anything.

Last edited by carnz (2018-11-19 16:27:42)

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#27 2018-11-20 12:03:16

Lone_Wolf
Member
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 6,674

Re: No sound card found after update

It is a starting to look like a hardware problem, but could be  a linux problem.

Did you erase the recovery partitions for the  original windows installation the laptop came with ?
If not, you could backup arch , then revert to that install to verify sound under windows.


Multi-init booting with apg Openrc and systemd coexisting
Automounting : not needed, i prefer pmount
Aur helpers : makepkg + my own local repo === rarely need them

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#28 2018-11-20 18:08:16

carnz
Member
Registered: 2018-11-10
Posts: 16

Re: No sound card found after update

Nope, no windows recovery partition

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#29 2018-11-20 20:04:53

B1omman
Member
Registered: 2016-02-16
Posts: 35

Re: No sound card found after update

Nov 11 20:57:07 archlinux kernel: Linux version 4.18.16-arch1-1-ARCH (builduser@heftig-28760) (gcc version 8.2.1 20180831 (GCC)) #1 SMP PREEMPT Sat Oct 20 22:06:45 UTC 2018
Nov 11 20:57:07 archlinux kernel: Command line: initrd=\initramfs-linux.img root=PARTUUID=450e94f8-4e11-4fbc-97a2-fa9ede1e047a rw acpi.ec_no_wakeup=1
Nov 11 20:57:07 archlinux kernel: DMI: LENOVO 20KHCTO1WW/20KHCTO1WW, BIOS N23ET40W (1.15 ) 04/13/2018
Nov 16 10:07:47 archlinux kernel: Linux version 4.19.1-arch1-1-ARCH (builduser@heftig-16768) (gcc version 8.2.1 20180831 (GCC)) #1 SMP PREEMPT Sun Nov 4 16:49:26 UTC 2018
Nov 16 10:07:47 archlinux kernel: Command line: initrd=\initramfs-linux.img root=PARTUUID=450e94f8-4e11-4fbc-97a2-fa9ede1e047a rw acpi.ec_no_wakeup=1
Nov 16 10:07:47 archlinux kernel: DMI: LENOVO 20KHCTO1WW/20KHCTO1WW, BIOS N23ET56W (1.31 ) 09/17/2018

Since you have updated your firmware, kernel and done a lot of stuff not mentioned in between, try booting without parameter acpi.ec_no_wakeup=1. Change sleep mode in bios to Linux as mentioned in the wiki. Also, the name of the module is snd_soc_skl and, if I'm not mistaken, is for hdmi audio support and you should not need to put that in you mkinitcpio.conf, remove it if it is there and rebuild your initramfs. Then post output of:

dmesg
lsmod
systool -vm snd_hda_intel

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#30 2018-11-21 09:55:08

carnz
Member
Registered: 2018-11-10
Posts: 16

Re: No sound card found after update

I'm not sure I can mark this as solved as I don't really know what happened. I tried the Fedora live image which performed some check at the beginning (sound didn't work with Fedora) and forced me into BIOS setup after reboot. And after a couple of reboots ending up in Bios setup automatically I just choose "save and exit" instead of "discard and exit"

That's it... now it works.

@B1omman: thanks for pointing out the sleep mode option in BIOS. I also removed snd_soc_skl from mkinitcpio.conf (I did these changes after it started working again so it was unrelated)

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