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  1. Bug #1269883
  2. Comment #49

Comment 49 for bug 1269883

Revision history for this message
In , erik.r.karlsson (erik.r.karlsson-linux-kernel-bugs) wrote :

I have the same problems whth a Dell XPS 13 (L322X), a LevelOne USB-0401 ethernet adapter (HW ver: 4.0, chip: AX88179), Linux Mint 17.1, and kernel 3.18.6-031806-generic. I get sudden disconnects, especially under high load. I have reproduced the bug by flood pinging my router. The disconnect occured after 12 minutes of pinging.

I have attached tcmdump and usbmon traces. There it can be seen that at a certain point in time (15:49:35.595157 with tcpdump and 2303595162 with usbmon) incoming data stops arriving. That happens at the same time both at the USB level and at the network interface level.

This is the kernel log from the point of connection of the device to USB. No suspicous messages are apparent.

Feb 9 15:37:19 erik-XPS kernel: [ 1493.918410] usb 2-1: new SuperSpeed USB device number 3 using xhci_hcd
Feb 9 15:37:19 erik-XPS kernel: [ 1493.941310] usb 2-1: New USB device found, idVendor=0b95, idProduct=1790
Feb 9 15:37:19 erik-XPS kernel: [ 1493.941314] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Feb 9 15:37:19 erik-XPS kernel: [ 1493.941315] usb 2-1: Product: AX88179
Feb 9 15:37:19 erik-XPS kernel: [ 1493.941317] usb 2-1: Manufacturer: ASIX Elec. Corp.
Feb 9 15:37:19 erik-XPS kernel: [ 1493.941318] usb 2-1: SerialNumber: 0000116B6739BA
Feb 9 15:37:19 erik-XPS kernel: [ 1494.264241] ax88179_178a 2-1:1.0 eth0: register 'ax88179_178a' at usb-0000:00:14.0-1, ASIX AX88179 USB 3.0 Gigabit Ethernet, 00:11:6b:67:39:ba
Feb 9 15:37:19 erik-XPS kernel: [ 1494.286740] ax88179_178a 2-1:1.0 eth1: renamed from eth0
Feb 9 15:37:19 erik-XPS kernel: [ 1494.641674] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
Feb 9 15:37:21 erik-XPS kernel: [ 1496.477501] ax88179_178a 2-1:1.0 eth1: ax88179 - Link status is: 1
Feb 9 15:37:21 erik-XPS kernel: [ 1496.482897] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
Feb 9 15:37:28 erik-XPS kernel: [ 1503.263088] device eth1 entered promiscuous mode
Feb 9 15:50:55 erik-XPS kernel: [ 2310.157519] device eth1 left promiscuous mode