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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2013186
Title:
5.15.0-69 breaks my wifi
Status in linux package in Ubuntu:
Incomplete
Bug description:
Latest linux kernel completely kills my Wifi. Have had to use the GRUB
boot loader to revert the kernel back twice. Kernel 5.15.0-67 works
perfectly with my wifi.
In network settings the wifi option is entirely missing when I am on
the -69 version.
Output of command `lspci`:
➜ ~ lspci
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Root
Complex
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Starship/Matisse IOMMU
00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP
Bridge
00:01.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP
Bridge
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:03.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP
Bridge
00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:05.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
Internal PCIe GPP Bridge 0 to bus[E:B]
00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
Internal PCIe GPP Bridge 0 to bus[E:B]
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev
61)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device 24:
Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device 24:
Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device 24:
Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device 24:
Function 3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device 24:
Function 4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device 24:
Function 5
00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device 24:
Function 6
00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device 24:
Function 7
01:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd Device a80a
02:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse Switch Upstream
03:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
03:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
03:08.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
03:09.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
03:0a.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
04:00.0 Network controller: Broadcom Inc. and subsidiaries Device 43c3 (rev
04)
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 26)
06:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc.
[AMD] Starship/Matisse Reserved SPP
06:00.1 USB controller: Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0
Host Controller
06:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0
Host Controller
07:00.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA
Controller [AHCI mode] (rev 51)
08:00.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA
Controller [AHCI mode] (rev 51)
09:00.0 VGA compatible controller: NVIDIA Corporation GP107 [GeForce GTX 1050
Ti] (rev a1)
09:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio
Controller (rev a1)
0a:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc.
[AMD] Starship/Matisse PCIe Dummy Function
0b:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc.
[AMD] Starship/Matisse Reserved SPP
0b:00.1 Encryption controller: Advanced Micro Devices, Inc. [AMD]
Starship/Matisse Cryptographic Coprocessor PSPCPP
0b:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0
Host Controller
0b:00.4 Audio device: Advanced Micro Devices, Inc. [AMD] Starship/Matisse HD
Audio Controller
Version log (but as noted, I have reverted my kernel version. It is the '-69'
version which is the one that breaks the wifi, which I need for my work):
➜ ~ cat version.log
Ubuntu 5.15.0-67.74~20.04.1-generic 5.15.85
I attach the much longer output of lspci-vnvn.log as a separate
attachment.
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