Re: No (USB) mouse and keyboard after resume
Hi.
On Sat, Nov 03, 2018 at 07:12:55PM +0100, Rainer Dorsch wrote:
> Hi,
>
> after resume from suspend I have no mouse and keyboard anymore in a Debian
> stable system.
>
> The syslog shows:
>
> Nov 3 18:23:24 blackbox kernel: [ 318.907431] dpm_run_callback():
> usb_dev_resume+0x0/0x20 [usbcore] returns -22
Note [usbcore] here.
> Nov 3 18:23:24 blackbox kernel: [ 318.908237] usb 6-1: USB disconnect,
> device number 2
> Nov 3 18:23:24 blackbox kernel: [ 318.927894] usb 6-2: USB disconnect,
> device number 3
Given these,
> (not listed anymore after resume by lsusb).
this is expected.
> Even unplugging and replugging the two devices physically does not bring them
> back. Only reboot helps so far.
Your USB hub disconnected USB devices and presumably has powered itself down.
> So far, I also did not find any modules which I could unload and reload to
> make the mouse and keyboard working again:
I'd try usbcore and usbhid for starters.
Or resetting problematic USB bus as shown at [1].
Reco
[1] http://billauer.co.il/blog/2013/02/usb-reset-ehci-uhci-linux/
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