I have the same issue, WiFi disabled when using the 5.13.0-21 kernel, regressing to the 5.13.0-20 kernel fixes the issue.
Hardware name: Dell Inc. XPS 13 9310/0MRT12 BIOS 3.2.0 09/30/2021 5.13.0-21-generic #21-Ubuntu SMP Tue Oct 19 08:59:28 UTC 2021 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1950515 Title: WiFi Killer AX500s DBS stopped working in kernel 5.13.0-21-generic on Dell XPS 13 9310 and others To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1950515/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
