Thank you Ross, I have no explanation, but after a re-install of ubuntu
26.04.1, same installer, now the dongle works. I'll run apport on it
anyway, but I no longer have an issue. Thank you!


** Tags added: apport-collected resolute

** Description changed:

  USB-C Ethernet hub using ASIX hardware is binding to cdc_ncm instead of
  ax88179_178a, and the device disconnects immediately after connection.?
  
  dmesg:
  
  [ 6824.272924] ------------[ cut here ]------------
  [ 6824.272941] WARNING: drivers/usb/typec/class.c:311 at 
typec_altmode_update_active+0x101/0x110 [typec], CPU#2: kworker/u48:1/19537
  [ 6824.272969] Modules linked in: ax88179_178a r8153_ecm usbhid r8152 ccm 
rfcomm snd_seq_dummy snd_hrtimer qrtr cmac algif_hash algif_skcipher af_alg 
bnep cpuid snd_hda_codec_intelhdmi snd_hda_codec_hdmi snd_hda_codec_alc269 
snd_hda_codec_realtek_lib snd_hda_scodec_component snd_hda_codec_generic 
snd_hda_intel snd_sof_pci_intel_tgl snd_sof_pci_intel_cnl 
snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt 
snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink 
snd_sof_intel_hda soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp snd_sof 
snd_sof_utils snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks 
soundwire_generic_allocation snd_soc_sdw_utils snd_soc_acpi cdc_mbim 
intel_uncore_frequency soundwire_bus dell_pc binfmt_misc snd_ctl_led cdc_wdm 
intel_uncore_frequency_common intel_tcc_cooling snd_soc_sdca crc8 
x86_pkg_temp_thermal intel_powerclamp xe coretemp snd_soc_avs snd_soc_hda_codec 
snd_hda_ext_core snd_hda_codec kvm_intel snd_hda_core uvcvideo snd_intel_dspcfg 
snd_intel_sdw_acpi
  [ 6824.273027]  dell_laptop drm_gpusvm_helper snd_hwdep videobuf2_vmalloc 
gpu_sched uvc kvm videobuf2_memops dell_wmi videobuf2_v4l2 snd_soc_core 
drm_gpuvm btusb videobuf2_common btmtk drm_ttm_helper cdc_ncm btrtl cmdlinepart 
irqbypass snd_compress drm_exec dell_smbios btbcm cdc_ether videodev 
drm_suballoc_helper ac97_bus dell_wmi_sysman spi_nor btintel snd_pcm_dmaengine 
usbnet dcdbas rapl iwlmvm nls_iso8859_1 mei_pxp mei_hdcp mtd intel_rapl_msr mii 
intel_cstate mc bluetooth dell_wmi_descriptor snd_pcm dell_wmi_ddv 
dell_smm_hwmon firmware_attributes_class wmi_bmof snd_seq_midi i915 
snd_seq_midi_event mac80211 hid_sensor_gyro_3d hid_sensor_accel_3d 
hid_sensor_rotation hid_sensor_custom_intel_hinge snd_rawmidi 
hid_sensor_trigger processor_thermal_device_pci kfifo_buf libarc4 snd_seq 
processor_thermal_device hid_sensor_iio_common snd_seq_device 
processor_thermal_wt_hint drm_buddy industrialio platform_temperature_control 
snd_timer processor_thermal_soc_slider ttm processor_thermal_rfim i2c_i801 
iwlwifi snd
  [ 6824.273086]  processor_thermal_rapl mei_me drm_display_helper i2c_smbus 
spi_intel_pci intel_rapl_common spi_intel soundcore i2c_mux mei cfg80211 cec 
processor_thermal_wt_req processor_thermal_power_floor rc_core 
processor_thermal_mbox platform_profile i2c_algo_bit igen6_edac int3403_thermal 
soc_button_array int340x_thermal_zone intel_pmc_core pmt_telemetry 
pmt_discovery intel_hid pmt_class int3400_thermal sparse_keymap 
intel_pmc_ssram_telemetry acpi_thermal_rel acpi_pad acpi_tad intel_vsec joydev 
input_leds mac_hid typec_displayport sch_fq_codel efi_pstore hid_sensor_custom 
hid_sensor_hub intel_ishtp_hid nvme nvme_core hid_multitouch nvme_keyring 
nvme_auth hid_generic hkdf ahci libahci ucsi_acpi typec_ucsi video 
ghash_clmulni_intel typec psmouse intel_ish_ipc intel_lpss_pci i2c_hid_acpi 
intel_lpss thunderbolt i2c_hid intel_ishtp vmd idma64 wmi hid pinctrl_tigerlake 
serio_raw dm_mirror dm_region_hash dm_log ppdev lp msr parport dmi_sysfs 
autofs4 aesni_intel
  [ 6824.273148] CPU: 2 UID: 0 PID: 19537 Comm: kworker/u48:1 Kdump: loaded 
Tainted: G        W           7.0.0-34-generic #34-Ubuntu PREEMPT(lazy) 
  [ 6824.273153] Tainted: [W]=WARN
  [ 6824.273155] Hardware name: Dell Inc. Inspiron 14 7440 2-in-1/09GK4D, BIOS 
1.22.0 04/23/2026
  [ 6824.273157] Workqueue: USBC000:00-con2 ucsi_poll_worker [typec_ucsi]
  [ 6824.273165] RIP: 0010:typec_altmode_update_active+0x101/0x110 [typec]
  [ 6824.273176] Code: 4d f8 14 e4 75 2b 48 8b 5d f8 c9 31 c0 31 d2 31 c9 31 f6 
31 ff c3 cc cc cc cc e8 5a 82 29 e1 8b 75 e4 84 c0 0f 85 6d ff ff ff <0f> 0b e9 
66 ff ff ff e8 03 8e 45 e2 0f 1f 00 90 90 90 90 90 90 90
  [ 6824.273178] RSP: 0018:ffffcca7df36bd80 EFLAGS: 00010246
  [ 6824.273182] RAX: 0000000000000000 RBX: ffff8969a0b3f808 RCX: 
0000000000000000
  [ 6824.273184] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 
0000000000000000
  [ 6824.273185] RBP: ffffcca7df36bda0 R08: 0000000000000000 R09: 
0000000000000000
  [ 6824.273187] R10: 0000000000000000 R11: 0000000000000000 R12: 
ffff896981efe4d0
  [ 6824.273188] R13: ffff8969a0b3f808 R14: 0000000000000000 R15: 
ffff89698096b780
  [ 6824.273190] FS:  0000000000000000(0000) GS:ffff896d5acff000(0000) 
knlGS:0000000000000000
  [ 6824.273192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [ 6824.273194] CR2: 0000721dbfb36850 CR3: 0000000145c44005 CR4: 
0000000000f72ef0
  [ 6824.273196] PKRU: 55555554
  [ 6824.273197] Call Trace:
  [ 6824.273200]  <TASK>
  [ 6824.273204]  ucsi_altmode_update_active+0x116/0x1b0 [typec_ucsi]
  [ 6824.273211]  ucsi_check_altmodes+0x92/0xd0 [typec_ucsi]
  [ 6824.273216]  ucsi_poll_worker+0x41/0xe0 [typec_ucsi]
  [ 6824.273221]  process_one_work+0x1ac/0x3d0
  [ 6824.273233]  worker_thread+0x1b8/0x360
  [ 6824.273236]  ? _raw_spin_lock_irqsave+0xe/0x20
  [ 6824.273241]  ? __pfx_worker_thread+0x10/0x10
  [ 6824.273244]  kthread+0xf7/0x130
  [ 6824.273248]  ? __pfx_kthread+0x10/0x10
  [ 6824.273252]  ret_from_fork+0x195/0x2a0
  [ 6824.273258]  ? __pfx_kthread+0x10/0x10
  [ 6824.273261]  ? __pfx_kthread+0x10/0x10
  [ 6824.273265]  ret_from_fork_asm+0x1a/0x30
  [ 6824.273270]  </TASK>
  [ 6824.273272] ---[ end trace 0000000000000000 ]---
  [ 6824.337921] cdc_ncm 2-4.1:2.0: MAC-Address: 98:fc:84:e3:98:a3
  [ 6824.337925] cdc_ncm 2-4.1:2.0: setting rx_max = 16384
  [ 6824.350952] cdc_ncm 2-4.1:2.0: setting tx_max = 16384
  [ 6824.361033] cdc_ncm 2-4.1:2.0 eth0: register 'cdc_ncm' at 
usb-0000:00:14.0-4.1, CDC NCM (NO ZLP), 98:fc:84:e3:98:a3
  [ 6824.372775] usb 2-4.1: authorized to connect
  [ 6824.392452] cdc_ncm 2-4.1:2.0 eth0: unregister 'cdc_ncm' 
usb-0000:00:14.0-4.1, CDC NCM (NO ZLP)
  user@user:~$
+ --- 
+ ProblemType: Bug
+ ApportVersion: 2.34.1-0ubuntu0.1
+ Architecture: amd64
+ AudioDevicesInUse:
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  user      13704 F.... wireplumber
+  /dev/snd/seq:        user      13686 F.... pipewire
+ CasperMD5CheckResult: unknown
+ CurrentDesktop: ubuntu:GNOME
+ DistroRelease: Ubuntu 26.04
+ InstallationDate: Installed on 2026-10-07 (1 days ago)
+ InstallationMedia: Ubuntu 26.04.1 LTS "Resolute Raccoon" - Release amd64 
(20260826)
+ MachineType: Dell Inc. Inspiron 14 7440 2-in-1
+ Package: linux (not installed)
+ ProcFB: 0 i915drmfb
+ ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-7.0.0-38-generic 
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash 
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
+ ProcVersionSignature: Ubuntu 7.0.0-38.38-generic 7.0.14
+ Tags: resolute
+ Uname: Linux 7.0.0-38-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: N/A
+ _MarkForUpload: True
+ dmi.bios.date: 04/23/2026
+ dmi.bios.release: 1.22
+ dmi.bios.vendor: Dell Inc.
+ dmi.bios.version: 1.22.0
+ dmi.board.name: 09GK4D
+ dmi.board.vendor: Dell Inc.
+ dmi.board.version: A00
+ dmi.chassis.type: 31
+ dmi.chassis.vendor: Dell Inc.
+ dmi.ec.firmware.release: 1.16
+ dmi.modalias: 
dmi:bvnDellInc.:bvr1.22.0:bd04/23/2026:br1.22:efr1.16:svnDellInc.:pnInspiron1474402-in-1:pvr:rvnDellInc.:rn09GK4D:rvrA00:cvnDellInc.:ct31:cvr:sku0CA7:pfaInspiron:
+ dmi.product.family: Inspiron
+ dmi.product.name: Inspiron 14 7440 2-in-1
+ dmi.product.sku: 0CA7
+ dmi.sys.vendor: Dell Inc.

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https://bugs.launchpad.net/bugs/2169806

Title:
  USB-C Ethernet hub using ASIX hardware is binding to cdc_ncm instead
  of ax88179_178a, disconnects

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