5.14-rc3: bluetooth lockdep warning, Jefferson Peak (JfP)

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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



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