http://bugzilla.opensuse.org/show_bug.cgi?id=1029758 Bug ID: 1029758 Summary: cp210x usb serial port controller instant disconnect Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: x86-64 OS: Other Status: NEW Severity: Major Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: josua.m@t-online.de QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Since 4.10.0 both of my devices featuring a cp210x usb to serial converter stopped working. dmesg after connecting: [ 1467.142430] usb 1-1.1: new full-speed USB device number 7 using ehci-pci [ 1467.281679] usb 1-1.1: New USB device found, idVendor=10c4, idProduct=ea60 [ 1467.281682] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1467.281683] usb 1-1.1: Product: CP2102 USB to UART Bridge Controller [ 1467.281684] usb 1-1.1: Manufacturer: Silicon Labs [ 1467.281685] usb 1-1.1: SerialNumber: 0001 [ 1467.289726] cp210x 1-1.1:1.0: cp210x converter detected [ 1467.291959] usb 1-1.1: cp210x converter now attached to ttyUSB0 [ 1467.383699] usb 1-1.1: usbfs: interface 0 claimed by cp210x while 'brltty' sets config #1 [ 1467.385369] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 [ 1467.385403] cp210x 1-1.1:1.0: device disconnected As can be seen the ttyUSB0 appears to disconnect immediately, but I am not that fast. I have so far ruled out: 1) the cable (using windows on same pc, all good) 2) the device (using another PC running 42.2) Is anyone else seeing this? any ideas what to do about it? -- You are receiving this mail because: You are on the CC list for the bug.