Connexion filaire qui ne marche pas

[Dassadar]

Bonjour,
Ma configuration wifi marche parfaitement. Par contre si je passe en filaire j'ai un souci.
J'utilise un port USB-C de mon portable pour y relier l'ethernet via un adaptateur ethernet/USB-C.
Quand je branche dans le port USB-C, je vois bien apparaître la connexion filaire dans les connexions réseau:



Par contre, cette ligne disparaît au bout de 5 secondes, et je ne comprends pas pourquoi.

Pouvez-vous m'aider sur ce souci svp?

Merci!
David

[cyrille]

Hi

Faudrait des retours de

Code : Tout sélectionner

sudo dmesg

Juste après l'insert de l' adaptateur ethernet/USB-C

Et de même après la perte de connexion

ça donnerait sans doute des pistes pour identifier le soucis

[Dassadar]

Merci pour ton retour.
Alors voilà au moment de la connexion:

Code : Tout sélectionner

(...)
[ 2141.695543] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2142.644510] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2144.236685] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2145.202396] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2146.152433] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2147.426030] usb 1-2: new high-speed USB device number 3 using xhci_hcd
[ 2147.518121] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2147.580101] usb 1-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=30.00
[ 2147.580112] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6
[ 2147.580116] usb 1-2: Product: USB 10/100/1000 LAN
[ 2147.580119] usb 1-2: Manufacturer: Realtek
[ 2147.580121] usb 1-2: SerialNumber: 000001
[ 2147.614763] usb 1-2: USB disconnect, device number 3
[ 2163.126548] usb 2-1: new SuperSpeed Gen 1 USB device number 108 using xhci_hcd
[ 2163.147120] usb 2-1: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=30.00
[ 2163.147133] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=6
[ 2163.147137] usb 2-1: Product: USB 10/100/1000 LAN
[ 2163.147140] usb 2-1: Manufacturer: Realtek
[ 2163.147143] usb 2-1: SerialNumber: 000001
[ 2163.348836] usb 2-1: reset SuperSpeed Gen 1 USB device number 108 using xhci_hcd
[ 2163.398345] r8152 2-1:1.0: load rtl8153a-4 v2 02/07/20 successfully
[ 2163.427286] r8152 2-1:1.0 eth0: v1.11.11
[ 2163.459633] r8152 2-1:1.0 enx00e04cbe71de: renamed from eth0

et après que ça ait disparu:

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(...)
[ 2197.120357] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2198.251928] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2199.207126] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2200.158723] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2201.126456] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2202.077734] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2203.221187] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2204.176634] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2205.128231] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2206.088145] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2207.043168] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2208.630484] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2209.602069] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2210.777367] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2211.732926] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2212.684577] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2213.815885] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2214.767596] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2216.358875] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2217.326098] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2218.277671] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2218.277703] usb usb2-port1: config error
[ 2219.413276] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2220.364540] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2221.951738] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2222.919292] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2223.849708] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2224.938835] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2225.868381] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2226.793481] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2227.725894] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
[ 2228.660512] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?

[cyrille]

Comme le message d'erreur le dit, tu ne risques rien d'essayer avec un autre cable USB...

[Dassadar]

Comme dit avant, c'est un ethernet (qui fonctionne bien) auquel j'ai branché un adaptateur ethernet/USB-C (tout neuf).
Mais si le câble n'était pas bon, il ne serait pas reconnu en première instance n'est-ce pas?
On dirait que c'est bloqué par du soft...?

J'ai vu des sujets évoquant des problèmes avec ehci_hcd... voir ici: https://forum.ubuntu-fr.org/viewtopic.php?id=127267
J'ai voulu tester une désactivation mais ce n'est pas possible:

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$ sudo modprobe -r ehci_hcd
modprobe: FATAL: Module ehci_hcd is builtin.

[alain]

Bonjour.

Sujet archivé (en lecture seule) car 2 mois sans réponse.
Si besoin de rouvrir faire un MP à un membre de l'équipe