Thinkpad X1C6 20.04, 5.4.0-33-generic, had to remove backport-iwlwifi- dkms to get back usable wifi.
This dmesg is after removing the dkms: $ dmesg |grep -i iwl |grep -v "HW address" [ 41.918069] iwlwifi 0000:02:00.0: Found debug destination: EXTERNAL_DRAM [ 41.918071] iwlwifi 0000:02:00.0: Found debug configuration: 0 [ 41.919074] iwlwifi 0000:02:00.0: loaded firmware version 36.77d01142.0 op_mode iwlmvm [ 42.009330] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 8265, REV=0x230 [ 42.019052] iwlwifi 0000:02:00.0: Applying debug destination EXTERNAL_DRAM [ 42.019365] iwlwifi 0000:02:00.0: Allocated 0x00400000 bytes for firmware monitor. [ 42.158286] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs' [ 42.185772] iwlwifi 0000:02:00.0 wlp2s0: renamed from wlan0 [ 44.074867] iwlwifi 0000:02:00.0: Applying debug destination EXTERNAL_DRAM [ 44.212564] iwlwifi 0000:02:00.0: Applying debug destination EXTERNAL_DRAM [ 44.280191] iwlwifi 0000:02:00.0: FW already configured (0) - re-configuring -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1869587 Title: WiFi performance is slow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/backport-iwlwifi-dkms/+bug/1869587/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
