USB devices (trackball and PS2-to-usb keyboard) stop responding in Ubuntu Mate 16.04.4
Kai-Heng Feng
kai.heng.feng at canonical.com
Thu Apr 26 17:18:04 UTC 2018
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
>
> 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
More information about the kernel-team
mailing list