I am still affected by this bug on focal with intel gpu/hda on kernel
5.4.0-26
Adding the value to /etc/modprobe.d/alsa-base.conf does not help me
Linux Ashen-One 5.4.0-26-generic #30-Ubuntu SMP Mon Apr 20 16:58:30 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
➜ ~ lspci -v
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor
Host Bridge/DRAM Registers (rev 05)
Subsystem: Acer Incorporated [ALI] Xeon E3-1200 v6/7th Gen Core
Processor Host Bridge/DRAM Registers
Flags: bus master, fast devsel, latency 0
Capabilities: <access denied>
Kernel driver in use: skl_uncore
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core
Processor PCIe Controller (x16) (rev 05) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 122
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 00004000-00004fff [size=4K]
Memory behind bridge: a3000000-a3ffffff [size=16M]
Prefetchable memory behind bridge: 0000000090000000-00000000a1ffffff
[size=288M]
Capabilities: <access denied>
Kernel driver in use: pcieport
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 630 (rev 04)
(prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] HD Graphics 630
Flags: bus master, fast devsel, latency 0, IRQ 131
Memory at a2000000 (64-bit, non-prefetchable) [size=16M]
Memory at b0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 5000 [size=64]
Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
00:14.0 USB controller: Intel Corporation 100 Series/C230 Series Chipset Family
USB 3.0 xHCI Controller (rev 31) (prog-if 30 [XHCI])
Subsystem: Acer Incorporated [ALI] 100 Series/C230 Series Chipset
Family USB 3.0 xHCI Controller
Flags: bus master, medium devsel, latency 0, IRQ 126
Memory at a4300000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
00:14.2 Signal processing controller: Intel Corporation 100 Series/C230 Series
Chipset Family Thermal Subsystem (rev 31)
Subsystem: Acer Incorporated [ALI] 100 Series/C230 Series Chipset
Family Thermal Subsystem
Flags: bus master, fast devsel, latency 0, IRQ 18
Memory at a432a000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel_pch_thermal
Kernel modules: intel_pch_thermal
00:15.0 Signal processing controller: Intel Corporation 100 Series/C230 Series
Chipset Family Serial IO I2C Controller #0 (rev 31)
Subsystem: Acer Incorporated [ALI] 100 Series/C230 Series Chipset
Family Serial IO I2C Controller
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at a432b000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:15.1 Signal processing controller: Intel Corporation 100 Series/C230 Series
Chipset Family Serial IO I2C Controller #1 (rev 31)
Subsystem: Acer Incorporated [ALI] 100 Series/C230 Series Chipset
Family Serial IO I2C Controller
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at a432c000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:16.0 Communication controller: Intel Corporation 100 Series/C230 Series
Chipset Family MEI Controller #1 (rev 31)
Subsystem: Acer Incorporated [ALI] 100 Series/C230 Series Chipset
Family MEI Controller
Flags: bus master, fast devsel, latency 0, IRQ 136
Memory at a432d000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: mei_me
Kernel modules: mei_me
00:17.0 SATA controller: Intel Corporation HM170/QM170 Chipset SATA Controller
[AHCI Mode] (rev 31) (prog-if 01 [AHCI 1.0])
Subsystem: Acer Incorporated [ALI] HM170/QM170 Chipset SATA Controller
[AHCI Mode]
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 127
Memory at a4328000 (32-bit, non-prefetchable) [size=8K]
Memory at a4330000 (32-bit, non-prefetchable) [size=256]
I/O ports at 5080 [size=8]
I/O ports at 5088 [size=4]
I/O ports at 5060 [size=32]
Memory at a432e000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: ahci
Kernel modules: ahci
00:1c.0 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI
Express Root Port #3 (rev f1) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 123
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: a4200000-a42fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1c.3 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI
Express Root Port #4 (rev f1) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 124
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 00003000-00003fff [size=4K]
Memory behind bridge: a4100000-a41fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1d.0 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI
Express Root Port #9 (rev f1) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 125
Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: a4000000-a40fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1f.0 ISA bridge: Intel Corporation HM175 Chipset LPC/eSPI Controller (rev 31)
Subsystem: Acer Incorporated [ALI] HM175 Chipset LPC/eSPI Controller
Flags: bus master, medium devsel, latency 0
00:1f.2 Memory controller: Intel Corporation 100 Series/C230 Series Chipset
Family Power Management Controller (rev 31)
Subsystem: Acer Incorporated [ALI] 100 Series/C230 Series Chipset
Family Power Management Controller
Flags: bus master, fast devsel, latency 0
Memory at a4324000 (32-bit, non-prefetchable) [size=16K]
00:1f.3 Audio device: Intel Corporation CM238 HD Audio Controller (rev 31)
Subsystem: Acer Incorporated [ALI] CM238 HD Audio Controller
Flags: bus master, fast devsel, latency 32, IRQ 138
Memory at a4320000 (64-bit, non-prefetchable) [size=16K]
Memory at a4310000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1f.4 SMBus: Intel Corporation 100 Series/C230 Series Chipset Family SMBus
(rev 31)
Subsystem: Acer Incorporated [ALI] 100 Series/C230 Series Chipset
Family SMBus
Flags: medium devsel, IRQ 16
Memory at a432f000 (64-bit, non-prefetchable) [size=256]
I/O ports at 5040 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
01:00.0 3D controller: NVIDIA Corporation GP107M [GeForce GTX 1050 Ti Mobile]
(rev a1)
Subsystem: Acer Incorporated [ALI] GP107M [GeForce GTX 1050 Ti Mobile]
Flags: bus master, fast devsel, latency 0, IRQ 139
Memory at a3000000 (32-bit, non-prefetchable) [size=16M]
Memory at 90000000 (64-bit, prefetchable) [size=256M]
Memory at a0000000 (64-bit, prefetchable) [size=32M]
I/O ports at 4000 [size=128]
Capabilities: <access denied>
Kernel driver in use: nvidia
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
02:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59)
Subsystem: Intel Corporation Dual Band Wireless-AC 7265
Flags: bus master, fast devsel, latency 0, IRQ 137
Memory at a4200000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411
PCI Express Gigabit Ethernet Controller (rev 15)
Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express
Gigabit Ethernet Controller
Flags: bus master, fast devsel, latency 0, IRQ 19
I/O ports at 3000 [size=256]
Memory at a4104000 (64-bit, non-prefetchable) [size=4K]
Memory at a4100000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: r8169
Kernel modules: r8169
04:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD
Controller SM981/PM981/PM983 (prog-if 02 [NVM Express])
Subsystem: Samsung Electronics Co Ltd NVMe SSD Controller
SM981/PM981/PM983
Flags: bus master, fast devsel, latency 0, IRQ 16, NUMA node 0
Memory at a4000000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: nvme
Kernel modules: nvme
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https://bugs.launchpad.net/bugs/1864061
Title:
PCI/internal sound card not detected
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