I started my computer with the Bullseye Debian live DVD and the dmesg log is not flooded with such error messages (as it does with Bookworm):
[ 8095.737532] pcieport 0000:00:1d.0: AER: Multiple Corrected error received: 0000:01:00.0 [ 8095.737572] r8169 0000:01:00.0: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID) [ 8095.737576] r8169 0000:01:00.0: device [10ec:8136] error status/mask=00000001/00006000 [ 8095.737579] r8169 0000:01:00.0: [ 0] RxErr (First) This is what dmesg told me about the two networking interfaces (before I exposed my computer): $ sudo dmesg | grep "r8169\|ath10k_pci" [ 1.162609] r8169 0000:01:00.0 eth0: RTL8106e, c0:3e:ba:26:aa:93, XID 449, IRQ 124 [ 1.191058] r8169 0000:01:00.0 enp1s0: renamed from eth0 [ 47.676697] ath10k_pci 0000:02:00.0: enabling device (0000 -> 0002) [ 47.677983] ath10k_pci 0000:02:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0 [ 47.982673] ath10k_pci 0000:02:00.0: firmware: failed to load ath10k/pre-cal-pci-0000:02:00.0.bin (-2) [ 47.982709] ath10k_pci 0000:02:00.0: firmware: failed to load ath10k/cal-pci-0000:02:00.0.bin (-2) [ 47.982723] ath10k_pci 0000:02:00.0: firmware: failed to load ath10k/QCA9377/hw1.0/firmware-6.bin (-2) [ 47.982735] ath10k_pci 0000:02:00.0: firmware: failed to load ath10k/QCA9377/hw1.0/firmware-5.bin (-2) [ 47.982747] ath10k_pci 0000:02:00.0: firmware: failed to load ath10k/QCA9377/hw1.0/firmware-4.bin (-2) [ 47.982758] ath10k_pci 0000:02:00.0: firmware: failed to load ath10k/QCA9377/hw1.0/firmware-3.bin (-2) [ 47.982771] ath10k_pci 0000:02:00.0: firmware: failed to load ath10k/QCA9377/hw1.0/firmware-2.bin (-2) [ 47.982774] ath10k_pci 0000:02:00.0: Failed to find firmware-N.bin (N between 2 and 6) from ath10k/QCA9377/hw1.0: -2 [ 47.982777] ath10k_pci 0000:02:00.0: could not fetch firmware files (-2) [ 47.982779] ath10k_pci 0000:02:00.0: could not probe fw (-2) [ 88.046124] r8169 0000:01:00.0: firmware: failed to load rtl_nic/rtl8106e-1.fw (-2) [ 88.046204] r8169 0000:01:00.0: Direct firmware load for rtl_nic/rtl8106e-1.fw failed with error -2 [ 88.046223] r8169 0000:01:00.0: Unable to load firmware rtl_nic/rtl8106e-1.fw (-2) [ 88.046679] RTL8208 Fast Ethernet r8169-0-100:00: attached PHY driver [RTL8208 Fast Ethernet] (mii_bus:phy_addr=r8169-0-100:00, irq=IGNORE) [ 88.213703] r8169 0000:01:00.0 enp1s0: Link is Down Then I install the ath10 drivers to be able to connect to the Internet and dmesg is still fine, but I can't use the NVRAM. $ sudo lspci -nn | grep PCIe $ $ sudo lspci -nn | grep PCI 00:1d.0 PCI bridge [0604]: Intel Corporation Ice Lake-LP PCI Express Root Port #9 [8086:34b0] (rev 30) 00:1d.1 PCI bridge [0604]: Intel Corporation Device [8086:34b1] (rev 30) 01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller [10ec:8136] (rev 07) $ In order to use the NVRAM you suggested to me to update to Bookworm, but then there appears to be some conflict between the NVRAM which I do see and the wired Realtek Ethernet controller, which I don't understand because I am not using that: 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller (rev 07) firmware at all. Any elucidations on such firm-, hardware, OS conflicts? lbrtchx
