Bus 001 Device 005: ID 8087:0aaa Intel Corp. Bluetooth 9460/9560 Jefferson Peak (JfP) [ 0.000000] Linux version 5.14.0-0.rc3.29.fc35.x86_64+debug (mockbuild@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc (GCC) 11.1.1 20210623 (Red Hat 11.1.1-6), GNU ld version 2.36.1-15.fc35) #1 SMP Mo n Jul 26 14:44:37 UTC 2021 Excerpts: [ 8.457218] Bluetooth: hci0: Found device firmware: intel/ibt-17-16-1.sfi ... [ 10.874942] Bluetooth: hci0: command 0xfc09 tx timeout ... [ 18.873443] Bluetooth: hci0: Failed to send firmware data (-110) [ 18.879399] Bluetooth: hci0: sending frame failed (-19) [ 18.879454] Bluetooth: hci0: Intel reset sent to retry FW download [ 19.038113] BUG: sleeping function called from invalid context at net/core/sock.c:3161 [ 19.038150] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 445, name: kworker/3:2 [ 19.038161] 6 locks held by kworker/3:2/445: [ 19.038169] #0: ffff91d4010d4748 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x21a/0x5c0 [ 19.038226] #1: ffffa618c0b07e70 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x21a/0x5c0 [ 19.038395] #2: ffff91d40699ba38 (&dev->mutex){....}-{3:3}, at: hub_event+0x99/0x1790 [ 19.038462] #3: ffff91d406f89238 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x81/0x90 [ 19.038501] #4: ffff91d40b8e01c0 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 [ 19.038540] #5: ffffffffc0be8400 (hci_sk_list.lock){++++}-{2:2}, at: hci_sock_dev_event+0x141/0x1f0 [bluetooth] Full dmesg: https://drive.google.com/file/d/1A-fdCdhaVJZL3T3_UhSY5DkBfaPZ2tR8/view?usp=sharing This was also in rc1. -- Chris Murphy