On Tue, Apr 20, 2021 at 07:17:10AM +0000, Jorge Fernandez Monteagudo wrote: > Hi all, > > I'm using an ancient 4.17.1 kernel and I'm seeing an weird USB behavior. A touchscreen device is been detected and disconnected in a 4 seconds pattern. > > # dmesg | grep 1.3.2[ 2.170041] usb 1-1.3.2: new full-speed USB device number 6 using ehci-pci > [ 2.254868] input: Silicon Works Multi-touch SW4101C as /devices/pci0000:00/0000:00:12.0/usb1/1-1/1-1.3/1-1.3.2/1-1.3.2:1.0/0003:29BD:4101.0001/input/input2 > [ 2.254958] hid-multitouch 0003:29BD:4101.0001: input: USB HID v1.00 Mouse [Silicon Works Multi-touch SW4101C] on usb-0000:00:12.0-1.3.2/input0 > [ 6.776320] usb 1-1.3.2: USB disconnect, device number 6 Bad hardware, the kernel can not cause a disconnect :( Do you have a flaky cable or underpowerd hub here? thanks, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
