Comment 27 for bug 1874464

And this is what I see on 5.9.0-050900rc3-generic:

Sep 04 15:05:02 surprise kernel: ------------[ cut here ]------------
Sep 04 15:05:02 surprise kernel: NETDEV WATCHDOG: enp5s0 (r8169): transmit queue 0 timed out
Sep 04 15:05:02 surprise kernel: WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:442 dev_watchdog+0x25b/0x270
Sep 04 15:05:02 surprise kernel: Modules linked in: xt_comment iptable_mangle iptable_nat bpfilter dummy xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp nft_compat nft_counter nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfne>
Sep 04 15:05:02 surprise kernel: xor raid6_pq libcrc32c dm_crypt hid_logitech_hidpp hid_logitech_dj hid_microsoft ff_memless hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper i2c_piix4 r8169 nvme i2c_nvidia_gpu rea>
Sep 04 15:05:02 surprise kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.9.0-050900rc3-generic #202008302030
Sep 04 15:05:02 surprise kernel: Hardware name: Gigabyte Technology Co., Ltd. B450M DS3H/B450M DS3H-CF, BIOS F4 01/25/2019
Sep 04 15:05:02 surprise kernel: RIP: 0010:dev_watchdog+0x25b/0x270
Sep 04 15:05:02 surprise kernel: Code: 85 c0 75 e5 eb 9c 4c 89 ff c6 05 3a 29 1d 01 01 e8 5a 7c fa ff 44 89 e9 4c 89 fe 48 c7 c7 b0 9b a5 ac 48 89 c2 e8 aa 21 64 ff <0f> 0b e9 7a ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f
Sep 04 15:05:02 surprise kernel: RSP: 0018:ffffb1c340003e78 EFLAGS: 00010286
Sep 04 15:05:02 surprise kernel: RAX: 0000000000000000 RBX: ffff9a27782a0000 RCX: 0000000000000000
Sep 04 15:05:02 surprise kernel: RDX: ffff9a278cc28fe0 RSI: ffff9a278cc18cc0 RDI: 0000000000000300
Sep 04 15:05:02 surprise kernel: RBP: ffffb1c340003ea8 R08: 0000000000000004 R09: 000000000000053a
Sep 04 15:05:02 surprise kernel: R10: 0000000000000000 R11: 0000000000000001 R12: ffff9a27782a0080
Sep 04 15:05:02 surprise kernel: R13: 0000000000000000 R14: ffff9a278ab9a480 R15: ffff9a278ab9a000
Sep 04 15:05:02 surprise kernel: FS: 0000000000000000(0000) GS:ffff9a278cc00000(0000) knlGS:0000000000000000
Sep 04 15:05:02 surprise kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Sep 04 15:05:02 surprise kernel: CR2: 000055b1cb035468 CR3: 0000000400f86000 CR4: 00000000003506f0
Sep 04 15:05:02 surprise kernel: Call Trace:
Sep 04 15:05:02 surprise kernel: <IRQ>
Sep 04 15:05:02 surprise kernel: ? pfifo_fast_enqueue+0x150/0x150
Sep 04 15:05:02 surprise kernel: call_timer_fn+0x32/0x130
Sep 04 15:05:02 surprise kernel: __run_timers.part.0+0x1eb/0x270
Sep 04 15:05:02 surprise kernel: run_timer_softirq+0x2a/0x50
Sep 04 15:05:02 surprise kernel: __do_softirq+0xd0/0x2a5
Sep 04 15:05:02 surprise kernel: asm_call_on_stack+0x12/0x20
Sep 04 15:05:02 surprise kernel: </IRQ>
Sep 04 15:05:02 surprise kernel: do_softirq_own_stack+0x3f/0x50
Sep 04 15:05:02 surprise kernel: irq_exit_rcu+0x95/0xd0
Sep 04 15:05:02 surprise kernel: sysvec_call_function_single+0x3d/0xa0
Sep 04 15:05:02 surprise kernel: asm_sysvec_call_function_single+0x12/0x20
Sep 04 15:05:02 surprise kernel: RIP: 0010:cpuidle_enter_state+0xc2/0x390
Sep 04 15:05:02 surprise kernel: Code: f4 22 07 54 e8 ff 77 74 ff 48 89 45 d0 0f 1f 44 00 00 31 ff e8 bf 83 74 ff 80 7d c7 00 0f 85 48 01 00 00 fb 66 0f 1f 44 00 00 <45> 85 ed 0f 88 54 01 00 00 49 63 d5 48 8d 04 52 48 8d 0c d5 00 00
Sep 04 15:05:02 surprise kernel: RSP: 0018:ffffffffad003de8 EFLAGS: 00000246
Sep 04 15:05:02 surprise kernel: RAX: ffff9a278cc2c680 RBX: ffff9a2779308c00 RCX: 000000000000001f
Sep 04 15:05:02 surprise kernel: RDX: 0000000000000000 RSI: 00000000239f5376 RDI: 0000000000000000
Sep 04 15:05:02 surprise kernel: RBP: ffffffffad003e28 R08: 0000000a3c3a75d2 R09: 00000000ffffffff
Sep 04 15:05:02 surprise kernel: R10: 0000000000000f5e R11: ffff9a278cc2b324 R12: ffffffffad180b80
Sep 04 15:05:02 surprise kernel: R13: 0000000000000002 R14: ffffffffad180c68 R15: 0000000000000002
Sep 04 15:05:02 surprise kernel: ? cpuidle_enter_state+0xb1/0x390
Sep 04 15:05:02 surprise kernel: cpuidle_enter+0x2e/0x40
Sep 04 15:05:02 surprise kernel: cpuidle_idle_call+0x132/0x1d0
Sep 04 15:05:02 surprise kernel: do_idle+0x7a/0xe0
Sep 04 15:05:02 surprise kernel: cpu_startup_entry+0x20/0x30
Sep 04 15:05:02 surprise kernel: rest_init+0xae/0xb0
Sep 04 15:05:02 surprise kernel: arch_call_rest_init+0xe/0x1b
Sep 04 15:05:02 surprise kernel: start_kernel+0x43a/0x45a
Sep 04 15:05:02 surprise kernel: x86_64_start_reservations+0x24/0x26
Sep 04 15:05:02 surprise kernel: x86_64_start_kernel+0x8b/0x8f
Sep 04 15:05:02 surprise kernel: secondary_startup_64+0xb6/0xc0
Sep 04 15:05:02 surprise kernel: ---[ end trace 02799b4d7b644ce5 ]---