the sound system on my Debian OS stopped working after a reboot.
Apparently, the sound card is not recognised by alsa:
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sudo alsactl init
alsactl: init:1757: No soundcards found...
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sudo dmesg | grep -iC 3 "snd"
[ 3.474643] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.474795] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.474963] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.475066] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
[ 3.475123] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.475277] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.475399] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[ 3.475426] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.475569] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.475713] pstore: crypto_comp_decompress failed, ret = -22!
--
[ 3.589666] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.589803] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.589934] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.592115] snd_hda_intel 0000:00:1f.3: CORB reset timeout#1, CORBRP = 0
[ 3.592822] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.596766] snd_hda_intel 0000:00:1f.3: no codecs found!
[ 3.597352] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.601151] pstore: crypto_comp_decompress failed, ret = -22!
[ 3.601298] pstore: crypto_comp_decompress failed, ret = -22!
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sudo lshw | grep -A11 multimedia
*-multimedia
description: Audio device
product: CM238 HD Audio Controller
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 31
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=snd_hda_intel latency=32
resources: irq:147 memory:ed128000-ed12bfff memory:ed100000-ed10ffff
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lsmod | grep snd
snd_hda_intel 49152 0
snd_hda_codec 159744 1 snd_hda_intel
snd_hda_core 102400 2 snd_hda_intel,snd_hda_codec
snd_hwdep 16384 1 snd_hda_codec
snd_pcm 118784 3 snd_hda_intel,snd_hda_codec,snd_hda_core
snd_timer 40960 1 snd_pcm
snd 98304 5 snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm
soundcore 16384 1 snd
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lspci -nnk | grep -i -A7 audio
00:1f.3 Audio device [0403]: Intel Corporation CM238 HD Audio Controller [8086:a171] (rev 31)
Subsystem: Dell CM238 HD Audio Controller [1028:07be]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1f.4 SMBus [0c05]: Intel Corporation 100 Series/C230 Series Chipset Family SMBus [8086:a123] (rev 31)
Subsystem: Dell 100 Series/C230 Series Chipset Family SMBus [1028:07be]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
01:00.0 3D controller [0302]: NVIDIA Corporation GP107M [GeForce GTX 1050 Mobile] [10de:1c8d] (rev a1)
I already tried to reinstall alsa-utils, alsa-oss, and pulseaudio. Even after a reboot, the soundcard is still dummied out.
Is there anything I can do, other than reinstall the OS?