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

[Kyprianos Papadimitriou]

Hi again, below is a relevant thread

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575872

Regards,

On 06/05/2018 01:51 πμ, Kyprianos Papadimitriou wrote:
> Hello,
>
> See below please
>
>
> On 02/05/2018 06:44 πμ, Kai Heng Feng wrote:
>> Hi,
>>
>>> On Apr 29, 2018, at 8:20 PM, Kyprianos Papadimitriou 
>>> <kpapadim at mhl.tuc.gr> wrote:
>>>
>>> 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?
>>
>> Yes, that will be great.
>>
>> Kai-Heng
>>
>
> I 've just reported it as bug at https://launchpad.net, it got the 
> ID#1769403, with subject : "USB devices (trackball and PS2-to-usb 
> keyboard) freeze in Ubuntu Mate 16.04.4 , and DELL latitude"
>
>>>
>>> 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
>>>>
>>>>
>>>> .
>> .
>>
>

-- 

Kyprianos Papadimitriou, PhD
School of Electrical & Computer Engineering
Technical University of Crete
GR 73100 Chania, Greece
email: kpapadim(AT)mhl(DOT)tuc(DOT)gr
url: users.isc.tuc.gr/~kpapadimitriou 
<http://users.isc.tuc.gr/%7Ekpapadimitriou>
url: www.ece.tuc.gr/5990.html <http://www.ece.tuc.gr/5990.html>
tel: (+30) 28210 37219
fax: (+30) 28210 37542

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