The log has those errors [22342.556235] xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 1 comp_code 1 [22342.556246] xhci_hcd 0000:00:14.0: Looking for event-dma 0000000469ddc2e0 trb-start 0000000469ddc2f0 trb-end 0000000469ddc2f0 seg-start 0000000469ddc000 seg-end 0000000469ddcff0 [22888.731315] perf: interrupt took too long (5034 > 4968), lowering kernel.perf_event_max_sample_rate to 39500
unsure if that's a kernel issue ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1877580 Title: [Latitude 7490, Realtek ALC3246, Black Headphone Out, Front] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1877580/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
