On 4.15.4 I see a lot of:

Feb 21 15:43:31 localhost kernel: [18401.483078] pcieport 0000:00:1d.6: AER: 
Corrected error received: id=00ee
Feb 21 15:43:31 localhost kernel: [18401.483095] pcieport 0000:00:1d.6: PCIe 
Bus Error: severity=Corrected, type=Data Link Layer, id=00ee(Transmitter ID)
Feb 21 15:43:31 localhost kernel: [18401.483097] pcieport 0000:00:1d.6:   
device [8086:a11e] error status/mask=00001000/00002000
Feb 21 15:43:31 localhost kernel: [18401.483099] pcieport 0000:00:1d.6:    [12] 
Replay Timer Timeout  


Which may or may not be related. However, randomly, r8152 stops working 
entirely. Most recent dmesg:


Feb 21 15:43:42 localhost kernel: [18412.136941] ------------[ cut here 
]------------
Feb 21 15:43:42 localhost kernel: [18412.136947] NETDEV WATCHDOG: 
enxa44cc8d0edff (r8152): transmit queue 0 timed out
Feb 21 15:43:42 localhost kernel: [18412.136969] WARNING: CPU: 1 PID: 0 at 
net/sched/sch_generic.c:323 dev_watchdog+0x215/0x220
Feb 21 15:43:42 localhost kernel: [18412.136972] Modules linked in: sg uas 
usb_storage rfcomm nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo 
xt_addrtype br_netfilter ctr ccm xt_C
HECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat 
nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack 
ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc 
ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter devlink cmac 
bnep binfmt_misc snd_usb_audio cdc_ether usbnet snd_usbmidi_lib r8152 
snd_rawmidi snd_seq_device mii btusb btrtl uvcvideo btbcm btintel 
videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 bluetooth videodev 
videobuf2_core ecdh_generic joydev mousedev hid_multitouch snd_hda_codec_hdmi 
snd_hda_codec_realtek snd_hda_codec_generic arc4 i2c_designware_platform
Feb 21 15:43:42 localhost kernel: [18412.137037]  i2c_designware_core iwlmvm 
input_leds i2c_hid mac80211 dell_smm_hwmon x86_pkg_temp_thermal crc32_pclmul 
iwlwifi crc32c_intel i915 snd_hda_intel ghash_clmulni_intel pcbc snd_hda_codec 
aesni_intel snd_hwdep aes_x86_64 snd_hda_core crypto_simd sha256_mb snd_pcm_oss 
glue_helper mcryptd snd_mixer_oss cryptd sha256_ssse3 snd_pcm snd_timer 
sha256_generic dell_smbios_wmi snd soundcore cfg80211 pcspkr int3400_thermal 
rtsx_pci acpi_thermal_rel intel_hid xhci_pci int3403_thermal 
processor_thermal_device mei_me xhci_hcd int340x_thermal_zone shpchp 
intel_lpss_pci mei intel_soc_dts_iosf intel_pch_thermal intel_lpss loop 
vhost_net tun vhost tap coretemp i2c_i801 kvm_intel kvm irqbypass uinput evdev 
nfsd ip_tables x_tables
Feb 21 15:43:42 localhost kernel: [18412.137101] CPU: 1 PID: 0 Comm: swapper/1 
Tainted: G     U           4.15.4 #5
Feb 21 15:43:42 localhost kernel: [18412.137104] Hardware name: Dell Inc. XPS 
15 9560/05FFDN, BIOS 1.7.0 12/15/2017
Feb 21 15:43:42 localhost kernel: [18412.137108] RIP: 
0010:dev_watchdog+0x215/0x220
Feb 21 15:43:42 localhost kernel: [18412.137112] RSP: 0018:ffff88087e443ea0 
EFLAGS: 00010286
Feb 21 15:43:42 localhost kernel: [18412.137116] RAX: 0000000000000044 RBX: 
0000000000000000 RCX: 0000000000000103
Feb 21 15:43:42 localhost kernel: [18412.137119] RDX: 0000000080000103 RSI: 
ffffffff82063a3a RDI: 00000000ffffffff
Feb 21 15:43:42 localhost kernel: [18412.137122] RBP: ffff8808581a645c R08: 
ffffffff815daba0 R09: 0000000000001cb5
Feb 21 15:43:42 localhost kernel: [18412.137125] R10: 0000000000000282 R11: 
ffffffff827c2f8d R12: ffff8808581a6478
Feb 21 15:43:42 localhost kernel: [18412.137127] R13: ffff8808581a6000 R14: 
0000000000000001 R15: ffff8808562df880
Feb 21 15:43:42 localhost kernel: [18412.137131] FS:  0000000000000000(0000) 
GS:ffff88087e440000(0000) knlGS:0000000000000000
Feb 21 15:43:42 localhost kernel: [18412.137134] CS:  0010 DS: 0000 ES: 0000 
CR0: 0000000080050033
Feb 21 15:43:42 localhost kernel: [18412.137137] CR2: 0000005a52651000 CR3: 
000000000220a006 CR4: 00000000003606e0
Feb 21 15:43:42 localhost kernel: [18412.137139] Call Trace:
Feb 21 15:43:42 localhost kernel: [18412.137143]  <IRQ>
Feb 21 15:43:42 localhost kernel: [18412.137148]  ? dev_graft_qdisc+0x70/0x70
Feb 21 15:43:42 localhost kernel: [18412.137152]  ? dev_graft_qdisc+0x70/0x70
Feb 21 15:43:42 localhost kernel: [18412.137158]  call_timer_fn+0x11/0x70
Feb 21 15:43:42 localhost kernel: [18412.137163]  expire_timers+0x8e/0xa0
Feb 21 15:43:42 localhost kernel: [18412.137169]  run_timer_softirq+0x9f/0x140
Feb 21 15:43:42 localhost kernel: [18412.137174]  ? timerqueue_add+0x52/0x80
Feb 21 15:43:42 localhost kernel: [18412.137180]  ? 
recalibrate_cpu_khz+0x10/0x10
Feb 21 15:43:42 localhost kernel: [18412.137185]  ? ktime_get+0x39/0x90
Feb 21 15:43:42 localhost kernel: [18412.137191]  __do_softirq+0xd6/0x1e0
Feb 21 15:43:42 localhost kernel: [18412.137197]  irq_exit+0x91/0xa0
Feb 21 15:43:42 localhost kernel: [18412.137203]  
smp_apic_timer_interrupt+0x60/0x90
Feb 21 15:43:42 localhost kernel: [18412.137207]  apic_timer_interrupt+0x95/0xa0
Feb 21 15:43:42 localhost kernel: [18412.137210]  </IRQ>
Feb 21 15:43:42 localhost kernel: [18412.137215] RIP: 
0010:cpuidle_enter_state+0x129/0x200
Feb 21 15:43:42 localhost kernel: [18412.137218] RSP: 0018:ffffc900031dfed8 
EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11
Feb 21 15:43:42 localhost kernel: [18412.137222] RAX: ffff88087e440000 RBX: 
0000000000000006 RCX: 000000000000001f
Feb 21 15:43:42 localhost kernel: [18412.137225] RDX: 20c49ba5e353f7cf RSI: 
ffffffff82063a3a RDI: ffffffff820657d3
Feb 21 15:43:42 localhost kernel: [18412.137228] RBP: ffff88087e469500 R08: 
00000000000016e5 R09: 000000000000050e
Feb 21 15:43:42 localhost kernel: [18412.137231] R10: ffffc900031dfeb8 R11: 
0000000000000c7f R12: 000010bee8e19d31
Feb 21 15:43:42 localhost kernel: [18412.137233] R13: 000010bee8be5300 R14: 
0000000000000006 R15: 0000000000000000
Feb 21 15:43:42 localhost kernel: [18412.137239]  ? 
cpuidle_enter_state+0x11e/0x200
Feb 21 15:43:42 localhost kernel: [18412.137246]  do_idle+0x176/0x1b0
Feb 21 15:43:42 localhost kernel: [18412.137251]  cpu_startup_entry+0x14/0x20
Feb 21 15:43:42 localhost kernel: [18412.137256]  start_secondary+0x142/0x170
Feb 21 15:43:42 localhost kernel: [18412.137260]  secondary_startup_64+0xa5/0xb0
Feb 21 15:43:42 localhost kernel: [18412.137264] Code: 00 49 63 4c 24 e8 eb 8c 
4c 89 ef c6 05 b3 06 ab 00 01 e8 3f e7 fd ff 89 d9 4c 89 ee 48 c7 c7 b8 f4 0f 
82 48 89 c2 e8 3b 4c 86 ff <0f> ff eb be 0f 1f 80 00 00 00 00 48 c7 47 08 00 00 
00 00 48 c7 
Feb 21 15:43:42 localhost kernel: [18412.137323] ---[ end trace 
a9a46c2c7b1cae38 ]---


Which is then followed by:

Feb 21 15:43:42 localhost kernel: [18412.137329] r8152 4-1.2:1.0 
enxa44cc8d0edff: Tx timeout
Feb 21 15:43:46 localhost kernel: [18417.000936] r8152 4-1.2:1.0 
enxa44cc8d0edff: Tx timeout
Feb 21 15:43:49 localhost kernel: [18419.814431] r8152 4-1.2:1.0 
enxa44cc8d0edff: Tx status -2
Feb 21 15:43:49 localhost kernel: [18419.824232] r8152 4-1.2:1.0 
enxa44cc8d0edff: Tx status -2
Feb 21 15:43:49 localhost kernel: [18419.834254] r8152 4-1.2:1.0 
enxa44cc8d0edff: Tx status -2
Feb 21 15:43:49 localhost kernel: [18419.844304] r8152 4-1.2:1.0 
enxa44cc8d0edff: Tx status -2
Feb 21 15:43:52 localhost kernel: [18422.120902] r8152 4-1.2:1.0 
enxa44cc8d0edff: Tx timeout
Feb 21 15:43:56 localhost kernel: [18426.984828] r8152 4-1.2:1.0 
enxa44cc8d0edff: Tx timeout
Feb 21 15:44:02 localhost kernel: [18432.104805] r8152 4-1.2:1.0 
enxa44cc8d0edff: Tx timeout


Only a reboot fixes it. I am considering using the TB16 as a doorstop; it's 
more stable that way.

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https://bugs.launchpad.net/bugs/1729674

Title:
  TB16 dock ethernet corrupts data with hw checksum silently failing

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