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SubjectRe: [Bluez-users] Lost connections - mouse and keyboard
Date
Hi Dave,

>> apparently does manage bluetooth devices using bluetooth-input-
>> service.
>> I still have the problem of the devices disappearing if idle for too
>> long such as when i lock the desktop or log out for a long period.
>> Sometimes I can re-enable the devices, but sometimes I cannot.
>> This is
>> frustrating.
>>
>> I see a the following several times in the system log if i restart
>> bluetooth:
>> Nov 28 18:53:39 pico kernel: WARNING: at drivers/hid/hid-core.c:784
>> implement() (Tainted: P )
>> Nov 28 18:53:39 pico kernel:
>> Nov 28 18:53:39 pico kernel: Call Trace:
>> Nov 28 18:53:39 pico kernel: [<ffffffff811d8549>] hid_output_report
>> +0x1c5/0x232
>> Nov 28 18:53:39 pico kernel: [<ffffffff811ddaf1>] hid_submit_ctrl
>> +0x60/0x24b
>> Nov 28 18:53:39 pico kernel: [<ffffffff811dde45>]
>> usbhid_submit_report
>> +0x169/0x19e
>> Nov 28 18:53:39 pico kernel: [<ffffffff811e030b>] hiddev_ioctl
>> +0x368/0x919
>> Nov 28 18:53:39 pico kernel: [<ffffffff810f54c5>] inode_has_perm
>> +0x65/0x72
>> Nov 28 18:53:39 pico kernel: [<ffffffff81120c17>] __up_read
>> +0x19/0x7f
>> Nov 28 18:53:39 pico kernel: [<ffffffff8125eecc>] do_page_fault
>> +0x490/0x7e4
>> Nov 28 18:53:39 pico kernel: [<ffffffff810a7399>] do_ioctl+0x55/0x6b
>> Nov 28 18:53:39 pico kernel: [<ffffffff810a75f2>] vfs_ioctl
>> +0x243/0x25c
>> Nov 28 18:53:39 pico kernel: [<ffffffff810a7664>] sys_ioctl
>> +0x59/0x79
>> Nov 28 18:53:39 pico kernel: [<ffffffff8100bd45>] tracesys+0xd5/0xda
>>
>
> Does bluetooth input devices have something to do with usbhid? I don't
> know, perhaps this is another problem in kernel.

in case you have a HID proxy dongle the usbhid driver can be involved.
And since this is hiddev, then it will be caused by the hid2hci program.

Regards

Marcel

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