Adding another log here, when attaching an Anker usb hub with ax88179_178a. As can be seen at the end of the log, the link is established and can function (i.e. ping, load web pages, etc.) despite the two "Failed to read reg index" errors.
[44146.999904] usb 3-8: new high-speed USB device number 60 using xhci_hcd [44147.132262] usb 2-1: new SuperSpeedPlus Gen 2 USB device number 54 using xhci_hcd [44147.151438] usb 3-8: New USB device found, idVendor=2109, idProduct=2822, bcdDevice= 6.a3 [44147.151462] usb 3-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [44147.151473] usb 3-8: Product: USB2.0 Hub [44147.151481] usb 3-8: Manufacturer: VIA Labs, Inc. [44147.151489] usb 3-8: SerialNumber: 000000001 [44147.165624] hub 3-8:1.0: USB hub found [44147.178598] hub 3-8:1.0: 5 ports detected [44147.181570] usb 2-1: New USB device found, idVendor=2109, idProduct=0822, bcdDevice= 6.a3 [44147.181582] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [44147.181587] usb 2-1: Product: USB3.1 Hub [44147.181592] usb 2-1: Manufacturer: VIA Labs, Inc. [44147.181595] usb 2-1: SerialNumber: 000000001 [44147.304621] hub 2-1:1.0: USB hub found [44147.304880] hub 2-1:1.0: 4 ports detected [44147.911895] usb 3-8.2: new high-speed USB device number 61 using xhci_hcd [44147.960012] usb 2-1.2: new SuperSpeed Gen 1 USB device number 55 using xhci_hcd [44147.983234] usb 2-1.2: New USB device found, idVendor=2109, idProduct=0817, bcdDevice= 4.93 [44147.983247] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [44147.983252] usb 2-1.2: Product: USB3.0 Hub [44147.983255] usb 2-1.2: Manufacturer: VIA Labs, Inc. [44147.983258] usb 2-1.2: SerialNumber: 000000000 [44147.985452] hub 2-1.2:1.0: USB hub found [44147.985639] hub 2-1.2:1.0: 4 ports detected [44148.062593] usb 3-8.2: New USB device found, idVendor=2109, idProduct=2817, bcdDevice= 4.93 [44148.062601] usb 3-8.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [44148.062604] usb 3-8.2: Product: USB2.0 Hub [44148.062607] usb 3-8.2: Manufacturer: VIA Labs, Inc. [44148.062609] usb 3-8.2: SerialNumber: 000000000 [44148.063931] hub 3-8.2:1.0: USB hub found [44148.064143] hub 3-8.2:1.0: 4 ports detected [44148.538145] usb 2-1.2.1: new SuperSpeed Gen 1 USB device number 56 using xhci_hcd [44148.709753] usb 2-1.2.1: New USB device found, idVendor=0b95, idProduct=1790, bcdDevice= 2.00 [44148.709759] usb 2-1.2.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [44148.709768] usb 2-1.2.1: Product: AX88179A [44148.709770] usb 2-1.2.1: Manufacturer: ASIX [44148.709771] usb 2-1.2.1: SerialNumber: 005D490C [44149.367957] ax88179_178a 2-1.2.1:1.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0040: -32 [44149.680208] ax88179_178a 2-1.2.1:1.0 eth0: register 'ax88179_178a' at usb-0000:00:0d.0-1.2.1, ASIX AX88179 USB 3.0 Gigabit Ethernet, f8:e4:3b:5d:49:0c [44149.783994] usb 2-1.2.4: new SuperSpeed Gen 1 USB device number 57 using xhci_hcd [44149.805394] usb 2-1.2.4: New USB device found, idVendor=2537, idProduct=1081, bcdDevice= 1.00 [44149.805401] usb 2-1.2.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [44149.805404] usb 2-1.2.4: Product: NS1081 [44149.805406] usb 2-1.2.4: Manufacturer: Norelsys [44149.805407] usb 2-1.2.4: SerialNumber: 0123456789ABCDE [44149.997894] usb-storage 2-1.2.4:1.0: USB Mass Storage device detected [44149.998436] scsi host0: usb-storage 2-1.2.4:1.0 [44150.594443] ax88179_178a 2-1.2.1:1.0 enxf8e43b5d490c: renamed from eth0 [44151.004262] scsi 0:0:0:0: Direct-Access NORELSYS 1081CS0 PQ: 0 ANSI: 6 [44151.004404] scsi 0:0:0:1: Direct-Access NORELSYS 1081CS1 PQ: 0 ANSI: 6 [44151.004625] sd 0:0:0:0: Attached scsi generic sg0 type 0 [44151.004827] scsi 0:0:0:1: Attached scsi generic sg1 type 0 [44151.060345] sd 0:0:0:1: [sdb] Attached SCSI removable disk [44151.072179] sd 0:0:0:0: [sda] Attached SCSI removable disk [44151.217980] ax88179_178a 2-1.2.1:1.0 enxf8e43b5d490c: Failed to read reg index 0x0040: -32 [44152.207985] usb 3-8.5: new high-speed USB device number 62 using xhci_hcd [44152.313893] usb 3-8.5: New USB device found, idVendor=291a, idProduct=8383, bcdDevice= 0.01 [44152.313902] usb 3-8.5: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [44152.313906] usb 3-8.5: Product: Anker USB-C HUB Device [44152.313909] usb 3-8.5: Manufacturer: Anker [44152.313911] usb 3-8.5: SerialNumber: 0000000000000001 [44153.507269] dell_wmi: Unknown key with type 0x0012 and code 0x0000 pressed [44154.307536] ax88179_178a 2-1.2.1:1.0 enxf8e43b5d490c: ax88179 - Link status is: 1 [44154.487687] IPv6: ADDRCONF(NETDEV_CHANGE): enxf8e43b5d490c: link becomes ready However, when significant bandwidth is pumped through, the link breaks down without additional log entries. Sometimes, a router restart is necessary to re-enable network access (cannot even ping devices on local network). Here is a log of more errors, but difficult to reproduce exactly: [43531.706507] usb-storage 2-1.2.4:1.0: USB Mass Storage device detected [43531.707015] scsi host0: usb-storage 2-1.2.4:1.0 [43532.340615] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0002: -32 [43532.350954] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0002: -32 [43532.562894] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0001: -32 [43532.676822] ax88179_178a 2-1.2.1:2.0 eth0: Failed to read reg index 0x0001: -32 [43532.688749] ax88179_178a 2-1.2.1:2.0 eth0: Failed to read reg index 0x0006: -32 [43532.688761] ax88179_178a 2-1.2.1:2.0 eth0: invalid MAC address, using random [43532.699005] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0006: -32 [43532.709455] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0005: -32 [43532.719797] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0001: -32 [43532.729213] scsi 0:0:0:0: Direct-Access NORELSYS 1081CS0 PQ: 0 ANSI: 6 [43532.729591] scsi 0:0:0:1: Direct-Access NORELSYS 1081CS1 PQ: 0 ANSI: 6 [43532.729861] sd 0:0:0:0: Attached scsi generic sg0 type 0 [43532.730032] sd 0:0:0:1: Attached scsi generic sg1 type 0 [43532.730292] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0001: -32 [43532.742095] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0001: -32 [43532.752469] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0001: -32 [43532.762808] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0002: -32 [43532.773336] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0001: -32 [43532.783729] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0002: -32 [43532.795588] ax88179_178a 2-1.2.1:2.0 eth0: Failed to read reg index 0x0001: -32 [43532.805866] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0001: -32 [43532.816376] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x001f: -32 [43532.817332] sd 0:0:0:0: [sda] Attached SCSI removable disk [43532.826780] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x0019: -32 [43532.829046] sd 0:0:0:1: [sdb] Attached SCSI removable disk [43532.837204] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x001f: -32 [43532.849302] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x000d: -32 [43532.859656] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x000e: -32 [43532.870315] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x000d: -32 [43532.880673] ax88179_178a 2-1.2.1:2.0 eth0: Failed to read reg index 0x000e: -32 [43532.891563] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x000d: -32 [43532.903310] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x000e: -32 [43532.913694] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x000d: -32 [43532.924314] ax88179_178a 2-1.2.1:2.0 eth0: Failed to write reg index 0x000e: -32 [43532.934724] ax88179_178a 2-1.2.1:2.0 eth0: Failed to read reg index 0x0000: -32 [43532.978371] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0002: -32 [43532.988677] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0002: -32 [43533.202822] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0001: -32 [43533.320835] ax88179_178a 2-1.2.1:2.1 eth1: Failed to read reg index 0x0001: -32 [43533.331540] ax88179_178a 2-1.2.1:2.1 eth1: Failed to read reg index 0x0006: -32 [43533.331551] ax88179_178a 2-1.2.1:2.1 eth1: invalid MAC address, using random [43533.341735] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0006: -32 [43533.352331] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0005: -32 [43533.362727] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0001: -32 [43533.374441] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0001: -32 [43533.384894] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0001: -32 [43533.395638] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0001: -32 [43533.405919] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0002: -32 [43533.416315] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0001: -32 [43533.428071] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0002: -32 [43533.438602] ax88179_178a 2-1.2.1:2.1 eth1: Failed to read reg index 0x0001: -32 [43533.448710] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0001: -32 [43533.459200] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x001f: -32 [43533.469601] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x0019: -32 [43533.481432] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x001f: -32 [43533.491668] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x000d: -32 [43533.502380] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x000e: -32 [43533.512693] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x000d: -32 [43533.523046] ax88179_178a 2-1.2.1:2.1 eth1: Failed to read reg index 0x000e: -32 [43533.534651] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x000d: -32 [43533.544912] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x000e: -32 [43533.555424] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x000d: -32 [43533.565788] ax88179_178a 2-1.2.1:2.1 eth1: Failed to write reg index 0x000e: -32 [43533.576284] ax88179_178a 2-1.2.1:2.1 eth1: Failed to read reg index 0x0000: -32 When a separate usb-ethernet adapter is plugged into this usb adapter (with a r8152 chip), high bandwidth use functions correctly and repeatably, suggesting the problem is specific to this chip and not the usb adapter(s) or the Linux machine itself. For reference ethtool -i displays the following: driver: ax88179_178a version: 5.11.0-38-generic firmware-version: expansion-rom-version: bus-info: 2-1.2.1:1.0 supports-statistics: no supports-test: no supports-eeprom-access: yes supports-register-dump: no supports-priv-flags: no -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888877 Title: ASIX AX88179 network device driver is not working properly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kernel-package/+bug/1888877/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
