USB devices (trackball and PS2-to-usb keyboard) stop responding in Ubuntu Mate 16.04.4

Kyprianos Papadimitriou kpapadim at mhl.tuc.gr
Sun Apr 29 12:20:02 UTC 2018


see below


On 26/04/2018 08:18 μμ, Kai-Heng Feng wrote:
> Hi Kyprianos,
>
> at 21:22, Kyprianos Papadimitriou <kpapadim at mhl.tuc.gr> wrote:
>
>> Hello,
>>
>> The following might be a problem related to unsupported devices by 
>> the Kernel.
>> I am facing the problem described in the thread: 
>> https://ubuntuforums.org/showthread.php?t=2342985
>
> If this is what you are facing, the HID quirk won't do anything. The 
> USB host controller failed to work in this case.
>
>>
>> And my problem is that I don't know how to do the : quirk 
>> HID_QUIRK_ALWAYS_POLL (0x00000400), which is mentioned in the above 
>> link.
>
> Please file a bug at https://launchpad.net.
>
> Kai-Heng

I should first create an account, then file the bug?

Thanks

Kyprianos

>
>>
>> lsusb command for the 2 devices gives:
>>
>> Bus 002 Device 009: ID 046d:c404 Logitech, Inc. TrackMan Wheel
>>
>> Bus 002 Device 010: ID 0a81:0205 Chesen Electronics Corp. PS/2 
>> Keyboard+Mouse Adapter
>>
>> tlp-stat -u command for the 2 devices gives:
>>
>> Bus 002 Device 009 ID 046d:c404 control = on, autosuspend_delay_ms = 
>> -1000 -- Logitech, Inc. TrackMan Wheel (usbhid)
>>
>> Bus 002 Device 010 ID 0a81:0205 control = on, autosuspend_delay_ms = 
>> -1000 -- Chesen Electronics Corp. PS/2 Keyboard+Mouse Adapter (usbhid)
>>
>> uname -ra gives:
>>
>> Linux dell 4.13.0-39-generic #44~16.04.1-Ubuntu SMP Thu Apr 5 
>> 16:43:10 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
>>
>> I think the problem is not related with autosuspend, but rather with 
>> buffer overflow for the specific devices due to that they are not 
>> supported in the kernel code.
>>
>> Best Regards,
>> Kyprianos
>>
>> -- 
>> kernel-team mailing list
>> kernel-team at lists.ubuntu.com
>> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>
>
> .
>






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