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Hello everybody, I have bought this USB-C adaptor: https://www.gearbest.com/usb-accessories/pp_662546.html. The first time, it worked really well, USB, HDMI, Audio Jack. However, I was using my external monitor with this adaptor via HDMI, and then, the PC powered off due battery drain. So I connected the power supply, and powered on my PC, but I noticed that, the USB-C adapter did not turn on. I did a lsusb, and nothing related to the adaptor was showing up. So, I unpluged everything, less the power supply, and rebooted, but nothing. The next day, with the PC fully charged, and the adaptor cold, I pluged it in, and it was recognized and working again. However, since then, I connect the adaptor, and sometimes it stays connected for about 10 seconds, and then just shutdowns. Sometimes, It not even turn on, and some times, it works normally.
Here is the dmesg output when I plug in the adaptor:
[root@gtronick gtronick]# dmesg -wk
[ 220.937136] usb 1-4: new high-speed USB device number 11 using xhci_hcd
[ 221.063622] usb 1-4: New USB device found, idVendor=1d5c, idProduct=5012
[ 221.063628] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 221.063632] usb 1-4: Product: USB2.0 Hub
[ 221.063636] usb 1-4: Manufacturer: Fresco Logic, Inc.
[ 221.064365] hub 1-4:1.0: USB hub found
[ 221.064405] hub 1-4:1.0: 5 ports detected
[ 221.596230] usb 1-4.3: new high-speed USB device number 12 using xhci_hcd
[ 221.686384] usb 1-4.3: New USB device found, idVendor=05e3, idProduct=0608
[ 221.686393] usb 1-4.3: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 221.686398] usb 1-4.3: Product: USB2.0 Hub
[ 221.687555] hub 1-4.3:1.0: USB hub found
[ 221.687857] hub 1-4.3:1.0: 4 ports detected
[ 221.960282] usb 1-4.3.2: new high-speed USB device number 13 using xhci_hcd
[ 222.041051] usb 1-4.3.2: New USB device found, idVendor=05e3, idProduct=0751
[ 222.041056] usb 1-4.3.2: New USB device strings: Mfr=3, Product=4, SerialNumber=0
[ 222.041059] usb 1-4.3.2: Product: USB Storage
[ 222.041062] usb 1-4.3.2: Manufacturer: USB Storage
[ 222.042341] usb-storage 1-4.3.2:1.0: USB Mass Storage device detected
[ 222.044491] scsi host3: usb-storage 1-4.3.2:1.0
[ 222.113111] usb 1-4.5: new high-speed USB device number 14 using xhci_hcd
[ 222.201864] usb 1-4.5: New USB device found, idVendor=1d5c, idProduct=5100
[ 222.201871] usb 1-4.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 222.201875] usb 1-4.5: Product: Generic Billboard Device
[ 222.201879] usb 1-4.5: Manufacturer: Fresco Logic, Inc
[ 222.265149] usb 1-4.3.3: new high-speed USB device number 15 using xhci_hcd
[ 222.342801] usb 1-4.3.3: New USB device found, idVendor=0bda, idProduct=8153
[ 222.342808] usb 1-4.3.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 222.342813] usb 1-4.3.3: Product: USB 10/100/1000 LAN
[ 222.342817] usb 1-4.3.3: Manufacturer: Realtek
[ 222.342820] usb 1-4.3.3: SerialNumber: 00E04C68001C
[ 222.394039] usbcore: registered new interface driver r8152
[ 222.404558] usbcore: registered new interface driver cdc_ether
[ 222.408152] usb 1-4.3.4: new full-speed USB device number 16 using xhci_hcd
[ 222.487291] usb 1-4.3.4: New USB device found, idVendor=0d8c, idProduct=0014
[ 222.487298] usb 1-4.3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 222.487302] usb 1-4.3.4: Product: USB Audio Device
[ 222.487306] usb 1-4.3.4: Manufacturer: C-Media Electronics Inc.
[ 222.501900] input: C-Media Electronics Inc. USB Audio Device as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.3/1-4.3.4/1-4.3.4:1.3/0003:0D8C:0014.0003/input/input19
[ 222.549824] usb 1-4.3.3: reset high-speed USB device number 15 using xhci_hcd
[ 222.554888] hid-generic 0003:0D8C:0014.0003: input,hidraw1: USB HID v1.00 Device [C-Media Electronics Inc. USB Audio Device] on usb-0000:00:14.0-4.3.4/input3
[ 222.656508] r8152 1-4.3.3:1.0 eth0: v1.09.9
[ 222.663360] r8152 1-4.3.3:1.0 enp0s20f0u4u3u3: renamed from eth0
[ 223.081786] scsi 3:0:0:0: Direct-Access Generic STORAGE DEVICE 1402 PQ: 0 ANSI: 6
[ 223.290532] sd 3:0:0:0: [sdb] Attached SCSI removable disk
[ 236.769693] usb 1-4: USB disconnect, device number 11
[ 236.769697] usb 1-4.3: USB disconnect, device number 12
[ 236.769699] usb 1-4.3.2: USB disconnect, device number 13
[ 236.776314] usb 1-4.3.3: USB disconnect, device number 15
[ 236.788326] usb 1-4.3.4: USB disconnect, device number 16
[ 236.798129] usb 1-4.5: USB disconnect, device number 14As you can see in the last 6 lines, the devices were disconnected, and the LED indicator at the HUB, turned off.
I have tested the HUB in Ubuntu with the same results.
Any help is appreciated.
My Laptop information:
Brand: ASUS.
Model: UX430UA.
Linux: 4.15.2-2-ARCH
Last edited by GTRONICK (2018-02-13 02:11:18)
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Ok, after many reading and testing, it seems that the problem relies in the Hub itself. Today, testing it, I twisted the cable a little, and the Hub started working after pluging it. I connected an external disk, and was playing a movie, when In certain moment, I touched the Hub, and it just turned off. It seems that the internal cable connections are faulty.
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