netdev - [ 54.304576] eth0: hw csum failure

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Date:   Sun, 10 Jun 2018 20:57:01 +0200
From:   Mathieu Malaterre <malat@...ian.org>
To:     netdev@...r.kernel.org
Subject: [ 54.304576] eth0: hw csum failure

Hi there,

I am getting the following in dmesg upon startup from

[   54.304576] eth0: hw csum failure
[   54.304610] CPU: 0 PID: 0 Comm: swapper Not tainted 4.17.0+ #3
[   54.304616] Call Trace:
[   54.304633] [dffedbd0] [c069d178]
__skb_checksum_complete+0xf0/0x108 (unreliable)
[   54.304653] [dffedbf0] [c077711c] tcp_v4_rcv+0x604/0xe00
[   54.304668] [dffedc70] [c0730c98] ip_local_deliver_finish+0xa8/0x3c4
[   54.304677] [dffedcb0] [c0731aa4] ip_local_deliver+0xf0/0x154
[   54.304687] [dffedcf0] [c0731f50] ip_rcv+0x448/0x774
[   54.304701] [dffedd50] [c06adeac] __netif_receive_skb_core+0x5e8/0x1184
[   54.304712] [dffedde0] [c06badec] napi_gro_receive+0x160/0x22c
[   54.304729] [dffede10] [e1560590] gem_poll+0x7fc/0x1ac0 [sungem]
[   54.304738] [dffedee0] [c06ba0bc] net_rx_action+0x34c/0x618
[   54.304750] [dffedf60] [c07fc904] __do_softirq+0x16c/0x5f0
[   54.304763] [dffedfd0] [c0064c9c] irq_exit+0x110/0x1a8
[   54.304777] [dffedff0] [c0016170] call_do_irq+0x24/0x3c
[   54.304791] [c0cf5e80] [c0009a84] do_IRQ+0x98/0x1a0
[   54.304801] [c0cf5eb0] [c001b474] ret_from_except+0x0/0x14
[   54.304812] --- interrupt: 501 at arch_cpu_idle+0x30/0x78
                   LR = arch_cpu_idle+0x30/0x78
[   54.304821] [c0cf5f70] [c0cf4000] 0xc0cf4000 (unreliable)
[   54.304836] [c0cf5f80] [c00a3868] do_idle+0xc4/0x158
[   54.304845] [c0cf5fb0] [c00a3ab4] cpu_startup_entry+0x24/0x28
[   54.304856] [c0cf5fc0] [c0997820] start_kernel+0x47c/0x490
[   54.304864] [c0cf5ff0] [00003444] 0x3444
[   54.309112] eth0: hw csum failure
[   54.309133] CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.17.0+ #3
[   54.309138] Call Trace:
[   54.309154] [df503ab0] [c069d178]
__skb_checksum_complete+0xf0/0x108 (unreliable)
[   54.309172] [df503ad0] [c077711c] tcp_v4_rcv+0x604/0xe00
[   54.309184] [df503b50] [c0730c98] ip_local_deliver_finish+0xa8/0x3c4
[   54.309191] [df503b90] [c0731aa4] ip_local_deliver+0xf0/0x154
[   54.309199] [df503bd0] [c0731f50] ip_rcv+0x448/0x774
[   54.309211] [df503c30] [c06adeac] __netif_receive_skb_core+0x5e8/0x1184
[   54.309220] [df503cc0] [c06badec] napi_gro_receive+0x160/0x22c
[   54.309235] [df503cf0] [e1560590] gem_poll+0x7fc/0x1ac0 [sungem]
[   54.309242] [df503dc0] [c06ba0bc] net_rx_action+0x34c/0x618
[   54.309252] [df503e40] [c07fc904] __do_softirq+0x16c/0x5f0
[   54.309263] [df503eb0] [c00649c8] run_ksoftirqd+0x68/0x9c
[   54.309276] [df503ec0] [c009477c] smpboot_thread_fn+0x1bc/0x324
[   54.309289] [df503f10] [c008e01c] kthread+0x138/0x1f0
[   54.309296] [df503f40] [c001b1c4] ret_from_kernel_thread+0x14/0x1c
[   55.829670] eth0: hw csum failure
[   55.829703] CPU: 0 PID: 0 Comm: swapper Not tainted 4.17.0+ #3
[   55.829709] Call Trace:
[   55.829726] [dffedbd0] [c069d178]
__skb_checksum_complete+0xf0/0x108 (unreliable)
[   55.829746] [dffedbf0] [c077711c] tcp_v4_rcv+0x604/0xe00
[   55.829760] [dffedc70] [c0730c98] ip_local_deliver_finish+0xa8/0x3c4
[   55.829770] [dffedcb0] [c0731aa4] ip_local_deliver+0xf0/0x154
[   55.829779] [dffedcf0] [c0731f50] ip_rcv+0x448/0x774
[   55.829793] [dffedd50] [c06adeac] __netif_receive_skb_core+0x5e8/0x1184
[   55.829804] [dffedde0] [c06badec] napi_gro_receive+0x160/0x22c
[   55.829820] [dffede10] [e1560590] gem_poll+0x7fc/0x1ac0 [sungem]
[   55.829830] [dffedee0] [c06ba0bc] net_rx_action+0x34c/0x618
[   55.829842] [dffedf60] [c07fc904] __do_softirq+0x16c/0x5f0
[   55.829855] [dffedfd0] [c0064c9c] irq_exit+0x110/0x1a8
[   55.829869] [dffedff0] [c0016170] call_do_irq+0x24/0x3c
[   55.829883] [c0cf5e80] [c0009a84] do_IRQ+0x98/0x1a0
[   55.829892] [c0cf5eb0] [c001b474] ret_from_except+0x0/0x14
[   55.829904] --- interrupt: 501 at arch_cpu_idle+0x30/0x78
                   LR = arch_cpu_idle+0x30/0x78
[   55.829912] [c0cf5f70] [c0cf4000] 0xc0cf4000 (unreliable)
[   55.829927] [c0cf5f80] [c00a3868] do_idle+0xc4/0x158
[   55.829936] [c0cf5fb0] [c00a3ab4] cpu_startup_entry+0x24/0x28
[   55.829947] [c0cf5fc0] [c0997820] start_kernel+0x47c/0x490
[   55.829955] [c0cf5ff0] [00003444] 0x3444
[   55.831823] eth0: hw csum failure
...


Do you want me to run a bit-bisect ?