Re: Fedora 27 kernel and RPi3 Bluetooth oops

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Luiz,

>> the latest Fedora 27 kernel which has all the RPi3 patches applied doesn’t actually work. It provides this backlog.
>> 
>> [  229.162921] CPU: 1 PID: 582 Comm: kworker/u9:1 Not tainted 4.13.2-300.fc27.armv7hl #1
>> [  229.171285] Hardware name: Generic DT based system
>> [  229.176774] Workqueue: hci0 hci_cmd_work [bluetooth]
>> [  229.176774] Workqueue: hci0 hci_cmd_work [bluetooth]
>> [  229.182117] [<c0312af4>] (unwind_backtrace) from [<c030d264>] (show_stack+0x18/0x1c)
>> [  229.190374] [<c030d264>] (show_stack) from [<c0b66174>] (dump_stack+0xa0/0xd8)
>> [  229.198122] [<c0b66174>] (dump_stack) from [<c03aeaec>] (register_lock_class+0x298/0x514)
>> [  229.206835] [<c03aeaec>] (register_lock_class) from [<c03b1f9c>] (__lock_acquire+0xe4/0x1608)
>> [  229.215952] [<c03b1f9c>] (__lock_acquire) from [<c03b3fd0>] (lock_acquire+0x280/0x2dc)
>> [  229.224386] [<c03b3fd0>] (lock_acquire) from [<c0b80ba4>] (_raw_read_lock+0x4c/0x5c)
>> [  229.232740] [<c0b80ba4>] (_raw_read_lock) from [<bf47903c>] (hci_uart_tx_wakeup+0x1c/0x98 [hci_uart])
>> [  229.242725] [<bf47903c>] (hci_uart_tx_wakeup [hci_uart]) from [<bf47a0e0>] (hci_uart_send_frame+0x54/0x6c [hci_uart])
>> [  229.254485] [<bf47a0e0>] (hci_uart_send_frame [hci_uart]) from [<bf3cb260>] (hci_send_frame+0xc8/0xf4 [bluetooth])
>> [  229.266157] [<bf3cb260>] (hci_send_frame [bluetooth]) from [<bf3cb334>] (hci_cmd_work+0xa8/0x124 [bluetooth])
>> [  229.277005] [<bf3cb334>] (hci_cmd_work [bluetooth]) from [<c036f154>] (process_one_work+0x43c/0x83c)
>> [  229.286689] [<c036f154>] (process_one_work) from [<c0370934>] (worker_thread+0x290/0x40c)
>> [  229.295355] [<c0370934>] (worker_thread) from [<c0376784>] (kthread+0x14c/0x168)
>> [  229.303195] [<c0376784>] (kthread) from [<c03080d0>] (ret_from_fork+0x14/0x24)
>> 
>> It results in the first HCI command going through and then every other failing.
>> 
>> = Index Info: 00:00:00:00:00:00 (Broadcom Corporation)
>> < HCI Command: Broadcom Update UART Baud Rate (0x3f|0x0018) plen 6
>>        Encoded baud rate: Not used (0x0000)
>>        Explicit baud rate: 2000000 Mbps
> 
> Either we are printing the baud rate incorrectly of there gotta be
> something wrong with it since 2 Tbps sounds pretty much impossible...
> I guess this must be 2 Mbps/2000000 bps.

I bet that is a btmon decoding issue which I might have just typed down wrongly when adding support for it.

Regards

Marcel

--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Bluez Devel]     [Linux Wireless Networking]     [Linux Wireless Personal Area Networking]     [Linux ATH6KL]     [Linux USB Devel]     [Linux Media Drivers]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Big List of Linux Books]

  Powered by Linux