Hello!
New to Fedora & still getting my head around immutable operating systems with Silverblue. I installed it on an old Macbook Pro, and overall it runs quite well (I’m typing on it right now) except that I can’t get it to output or input audio.
I notice when I type alsa-info.sh, it tells me that no such directory is found there and points me to a tmp directory with alsa-info.txt.
Output of that file here:
$ alsa-info.sh --no-upload
cat: /tmp/alsa-info.Otz7O9GnFy/sdwstatus.tmp: No such file or directory
dmesg: read kernel buffer failed: Operation not permitted
Your ALSA information is in /tmp/alsa-info.txt.PXJyzNjkxT
$ cat /tmp/alsa-info.txt.PXJyzNjkxT
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.5.3
!!################################
!!Script ran on: Wed Oct 8 18:27:32 UTC 2025
!!Linux Distribution
!!------------------
Fedora release 42 (Adams) NAME="Fedora Linux" ID=fedora PRETTY_NAME="Fedora Linux 42.20251008.0 (Silverblue)" LOGO=fedora-logo-icon CPE_NAME="cpe:/o:fedoraproject:fedora:42" DEFAULT_HOSTNAME="fedora" HOME_URL="https://silverblue.fedoraproject.org" DOCUMENTATION_URL="https://docs.fedoraproject.org/en-US/fedora-silverblue/" SUPPORT_URL="https://ask.fedoraproject.org/" BUG_REPORT_URL="https://github.com/fedora-silverblue/issue-tracker/issues" REDHAT_BUGZILLA_PRODUCT="Fedora" REDHAT_BUGZILLA_PRODUCT_VERSION=42 REDHAT_SUPPORT_PRODUCT="Fedora" REDHAT_SUPPORT_PRODUCT_VERSION=42 Fedora release 42 (Adams) Fedora release 42 (Adams)
!!DMI Information
!!---------------
Manufacturer: Apple Inc.
Product Name: MacBookPro13,1
Product Version: 1.0
Firmware Version: 526.0.0.0.0
System SKU:
Board Vendor: Apple Inc.
Board Name: Mac-473D31EABEB93F9B
!!ACPI SoundWire Device Status Information
!!---------------
!!Kernel Information
!!------------------
Kernel release: #1 SMP PREEMPT_DYNAMIC Thu Oct 2 19:23:55 UTC 2025
Operating System: GNU/Linux
Architecture: x86_64
Processor: unknown
SMP Enabled: Yes
!!ALSA Version
!!------------
Driver version: k6.16.10-200.fc42.x86_64
Library version:
Utilities version: 1.2.14
!!Loaded ALSA modules
!!-------------------
snd_hda_intel (card 0)
!!Sound Servers on this system
!!----------------------------
PipeWire:
Installed - Yes (/usr/sbin/pipewire)
Running - Yes
No sound servers found.
!!Soundcards recognised by ALSA
!!-----------------------------
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0x92820000 irq 63
!!PCI Soundcards installed in the system
!!--------------------------------------
00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d70] (rev 21)
Subsystem: Intel Corporation Device [8086:7270]
!!Loaded sound module options
!!---------------------------
!!Module: snd_hda_intel
align_buffer_size : -1
bdl_pos_adj : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
beep_mode : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N
ctl_dev_id : N
dmic_detect : Y
enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
enable_msi : -1
id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
jackpoll_ms : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
model : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
patch : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
pm_blacklist : -1
position_fix : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
power_save : 10
power_save_controller : Y
probe_mask : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
probe_only : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
single_cmd : -1
snoop : -1
!!Sysfs card info
!!---------------
!!Card: /sys/class/sound/card0
Driver: /sys/bus/pci/drivers/snd_hda_intel
Tree:
/sys/class/sound/card0
|-- controlC0
| |-- dev
| |-- device -> ../../card0
| |-- power
| |-- subsystem -> ../../../../../../class/sound
| `-- uevent
|-- device -> ../../../0000:00:1f.3
|-- hwC0D0
| |-- afg
| |-- chip_name
| |-- clear
| |-- dev
| |-- device -> ../../card0
| |-- driver_pin_configs
| |-- hints
| |-- init_pin_configs
| |-- init_verbs
| |-- mfg
| |-- modelname
| |-- power
| |-- power_off_acct
| |-- power_on_acct
| |-- reconfig
| |-- revision_id
| |-- subsystem -> ../../../../../../class/sound
| |-- subsystem_id
| |-- uevent
| |-- user_pin_configs
| |-- vendor_id
| `-- vendor_name
|-- hwC0D2
| |-- afg
| |-- chip_name
| |-- clear
| |-- dev
| |-- device -> ../../card0
| |-- driver_pin_configs
| |-- hints
| |-- init_pin_configs
| |-- init_verbs
| |-- mfg
| |-- modelname
| |-- power
| |-- power_off_acct
| |-- power_on_acct
| |-- reconfig
| |-- revision_id
| |-- subsystem -> ../../../../../../class/sound
| |-- subsystem_id
| |-- uevent
| |-- user_pin_configs
| |-- vendor_id
| `-- vendor_name
|-- id
|-- input10
| |-- capabilities
| |-- device -> ../../card0
| |-- event10
| |-- id
| |-- inhibited
| |-- modalias
| |-- name
| |-- phys
| |-- power
| |-- properties
| |-- subsystem -> ../../../../../../class/input
| |-- uevent
| `-- uniq
|-- input8
| |-- capabilities
| |-- device -> ../../card0
| |-- event8
| |-- id
| |-- inhibited
| |-- modalias
| |-- name
| |-- phys
| |-- power
| |-- properties
| |-- subsystem -> ../../../../../../class/input
| |-- uevent
| `-- uniq
|-- input9
| |-- capabilities
| |-- device -> ../../card0
| |-- event9
| |-- id
| |-- inhibited
| |-- modalias
| |-- name
| |-- phys
| |-- power
| |-- properties
| |-- subsystem -> ../../../../../../class/input
| |-- uevent
| `-- uniq
|-- number
|-- pcmC0D3p
| |-- dev
| |-- device -> ../../card0
| |-- pcm_class
| |-- power
| |-- subsystem -> ../../../../../../class/sound
| `-- uevent
|-- pcmC0D7p
| |-- dev
| |-- device -> ../../card0
| |-- pcm_class
| |-- power
| |-- subsystem -> ../../../../../../class/sound
| `-- uevent
|-- pcmC0D8p
| |-- dev
| |-- device -> ../../card0
| |-- pcm_class
| |-- power
| |-- subsystem -> ../../../../../../class/sound
| `-- uevent
|-- power
| |-- autosuspend_delay_ms
| |-- control
| |-- runtime_active_time
| |-- runtime_status
| `-- runtime_suspended_time
|-- subsystem -> ../../../../../class/sound
`-- uevent
!!HDA-Intel Codec information
!!---------------------------
--startcollapse--
Codec: Cirrus Logic CS8409
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x10138409
Subsystem Id: 0x106b3300
Revision Id: 0x100100
No Modem Function Group found
Default PCM:
rates [0x17f]: 8000 11025 16000 22050 32000 44100 48000 96000
bits [0x1a]: 16 24 32
formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
State of AFG node 0x01:
Power states: D0 D3 D3cold S3D3cold CLKSTOP EPSS
Power: setting=D0, actual=D0
!!ALSA Device nodes
!!-----------------
crw-rw----+ 1 root audio 116, 7 Oct 8 11:25 /dev/snd/controlC0
crw-rw----+ 1 root audio 116, 5 Oct 8 11:25 /dev/snd/hwC0D0
crw-rw----+ 1 root audio 116, 6 Oct 8 11:25 /dev/snd/hwC0D2
crw-rw----+ 1 root audio 116, 2 Oct 8 11:25 /dev/snd/pcmC0D3p
crw-rw----+ 1 root audio 116, 3 Oct 8 11:25 /dev/snd/pcmC0D7p
crw-rw----+ 1 root audio 116, 4 Oct 8 11:25 /dev/snd/pcmC0D8p
crw-rw----+ 1 root audio 116, 1 Oct 8 11:25 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 Oct 8 11:25 /dev/snd/timer
/dev/snd/by-path:
total 0
drwxr-xr-x. 2 root root 60 Oct 8 11:25 .
drwxr-xr-x. 3 root root 220 Oct 8 11:25 ..
lrwxrwxrwx. 1 root root 12 Oct 8 11:25 pci-0000:00:1f.3 -> ../controlC0
!!ALSA configuration files
!!------------------------
!!System wide config file (/etc/asound.conf)
#
# Place your global alsa-lib configuration here...
#
!!Aplay/Arecord output
!!--------------------
APLAY
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
ARECORD
**** List of CAPTURE Hardware Devices ****
!!Amixer output
!!-------------
!!-------Mixer controls for card PCH
Card sysdefault:0 'PCH'/'HDA Intel PCH at 0x92820000 irq 63'
Mixer name : 'Cirrus Logic CS8409'
Components : 'HDA:10138409,106b3300,00100100 HDA:80862809,80860101,00100000'
Controls : 21
Simple ctrls : 3
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'IEC958',1
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'IEC958',2
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
!!Alsactl output
!!--------------
--startcollapse--
state.PCH {
control.1 {
iface CARD
name 'HDMI/DP,pcm=3 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.2 {
iface MIXER
name 'IEC958 Playback Con Mask'
value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.3 {
iface MIXER
name 'IEC958 Playback Pro Mask'
value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.4 {
iface MIXER
name 'IEC958 Playback Default'
value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.5 {
iface MIXER
name 'IEC958 Playback Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.6 {
iface PCM
device 3
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.7 {
iface CARD
name 'HDMI/DP,pcm=7 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.8 {
iface MIXER
name 'IEC958 Playback Con Mask'
index 1
value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.9 {
iface MIXER
name 'IEC958 Playback Pro Mask'
index 1
value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.10 {
iface MIXER
name 'IEC958 Playback Default'
index 1
value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.11 {
iface MIXER
name 'IEC958 Playback Switch'
index 1
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.12 {
iface PCM
device 7
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.13 {
iface CARD
name 'HDMI/DP,pcm=8 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.14 {
iface MIXER
name 'IEC958 Playback Con Mask'
index 2
value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.15 {
iface MIXER
name 'IEC958 Playback Pro Mask'
index 2
value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.16 {
iface MIXER
name 'IEC958 Playback Default'
index 2
value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.17 {
iface MIXER
name 'IEC958 Playback Switch'
index 2
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.18 {
iface PCM
device 8
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.19 {
iface PCM
device 3
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write volatile'
type INTEGER
count 8
range '0 - 36'
}
}
control.20 {
iface PCM
device 7
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write volatile'
type INTEGER
count 8
range '0 - 36'
}
}
control.21 {
iface PCM
device 8
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write volatile'
type INTEGER
count 8
range '0 - 36'
}
}
}
--endcollapse--
!!All Loaded Modules
!!------------------
ac97_bus
acpi_als
applesmc
applespi
binfmt_misc
bluetooth
bnep
brcmfmac
brcmfmac_wcc
brcmutil
btbcm
btintel
btqca
btrtl
cec
cfg80211
coretemp
crc8
drm_buddy
drm_display_helper
dw_dmac
erofs
facetimehd
fat
fuse
ghash_clmulni_intel
hci_uart
i2c_algo_bit
i2c_dev
i2c_i801
i2c_smbus
i915
iTCO_vendor_support
iTCO_wdt
idma64
industrialio
industrialio_triggered_buffer
intel_cstate
intel_pmc_bxt
intel_pmc_core
intel_pmc_core_pltdrv
intel_pmc_ssram_telemetry
intel_powerclamp
intel_rapl_common
intel_rapl_msr
intel_tcc_cooling
intel_uncore
intel_vsec
intel_xhci_usb_role_switch
irqbypass
joydev
kfifo_buf
kvm
kvm_intel
loop
lz4_compress
lz4hc_compress
mc
mei
mei_hdcp
mei_me
mei_pxp
mmc_core
netfs
nf_conntrack
nf_conntrack_broadcast
nf_conntrack_netbios_ns
nf_defrag_ipv4
nf_defrag_ipv6
nf_nat
nf_reject_ipv4
nf_reject_ipv6
nf_tables
nfnetlink
nft_chain_nat
nft_ct
nft_fib
nft_fib_inet
nft_fib_ipv4
nft_fib_ipv6
nft_reject
nft_reject_inet
nvme
nvme_auth
nvme_core
nvme_keyring
overlay
pcspkr
pmt_class
pmt_telemetry
polyval_clmulni
pwrseq_core
qrtr
rapl
rfcomm
rfkill
sbs
sbshc
sha1_ssse3
sha512_ssse3
snd
snd_compress
snd_hda_codec
snd_hda_codec_cs8409
snd_hda_codec_generic
snd_hda_codec_hdmi
snd_hda_core
snd_hda_ext_core
snd_hda_intel
snd_hrtimer
snd_hwdep
snd_intel_dspcfg
snd_intel_sdw_acpi
snd_pcm
snd_pcm_dmaengine
snd_seq
snd_seq_device
snd_seq_dummy
snd_soc_acpi
snd_soc_acpi_intel_match
snd_soc_acpi_intel_sdca_quirks
snd_soc_avs
snd_soc_core
snd_soc_hda_codec
snd_soc_hdac_hda
snd_soc_sdca
snd_sof
snd_sof_intel_hda
snd_sof_intel_hda_common
snd_sof_intel_hda_generic
snd_sof_intel_hda_mlink
snd_sof_intel_hda_sdw_bpt
snd_sof_pci
snd_sof_pci_intel_skl
snd_sof_utils
snd_sof_xtensa_dsp
snd_timer
soundcore
soundwire_bus
soundwire_cadence
soundwire_generic_allocation
soundwire_intel
spi_pxa2xx_core
spi_pxa2xx_platform
sunrpc
thunderbolt
ttm
uinput
vfat
video
videobuf2_common
videobuf2_dma_sg
videobuf2_memops
videobuf2_v4l2
videodev
wmi
x86_pkg_temp_thermal
zram
!!Sysfs Files
!!-----------
/sys/class/sound/hwC0D0/init_pin_configs:
0x24 0x90100110
0x25 0x90100111
0x26 0x400000f0
0x27 0x400000f0
0x28 0x400000f0
0x29 0x400000f0
0x2a 0x400000f0
0x2b 0x400000f0
0x2c 0x002b4020
0x2d 0x400000f0
0x2e 0x400000f0
0x2f 0x400000f0
0x30 0x400000f0
0x31 0x400000f0
0x32 0x400000f0
0x33 0x400000f0
0x34 0x400000f0
0x35 0x400000f0
0x36 0x400000f0
0x37 0x400000f0
0x38 0x400000f0
0x39 0x400000f0
0x3a 0x400000f0
0x3b 0x400000f0
0x3c 0x00ab9030
0x3d 0x400000f0
0x3e 0x400000f0
0x3f 0x400000f0
0x40 0x400000f0
0x41 0x400000f0
0x42 0x400000f0
0x43 0x400000f0
0x44 0xa0a60100
0x45 0x400000f0
/sys/class/sound/hwC0D0/driver_pin_configs:
/sys/class/sound/hwC0D0/user_pin_configs:
/sys/class/sound/hwC0D0/init_verbs:
/sys/class/sound/hwC0D0/hints:
/sys/class/sound/hwC0D2/init_pin_configs:
0x05 0x18560010
0x06 0x18560010
0x07 0x18560010
/sys/class/sound/hwC0D2/driver_pin_configs:
/sys/class/sound/hwC0D2/user_pin_configs:
/sys/class/sound/hwC0D2/init_verbs:
/sys/class/sound/hwC0D2/hints:
!!ALSA/HDA dmesg
!!--------------
!!Packages installed
!!--------------------
alsa-lib-1.2.14-3.fc42.x86_64
alsa-ucm-1.2.14-3.fc42.noarch
alsa-utils-1.2.14-1.fc42.x86_64
alsa-sof-firmware-2025.05.1-1.fc42.noarch
$
I found another thread in which another user with the same machine, facing the same confluence of issues
They were directed to davidjo’s snd_hda_macbookpro drivers, which can be installed as dnf packages, but obviously that’s not possible with Silverblue.
What is the proper approach here? Thank you in advance <3