Hi,
I had the same issue, what happend is that the network went down and the
server flooded the switch with traffic.
Mar 1 19:51:08 microserver kernel: [76180.035137] [ cut here
]
Mar 1 19:51:08 microserver kernel: [76180.035142] NETDEV WATCHDOG: eno1 (tg3):
transmit queue 0 timed out
Mar 1 19:51:08 microserver kernel: [76180.035172] WARNING: CPU: 1 PID: 0 at
net/sched/sch_generic.c:447 dev_watchdog+0x258/0x260
Mar 1 19:51:08 microserver kernel: [76180.035174] Modules linked in: vhost_net
vhost tap xt_CHECKSUM xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp
ip6table_mangle ip6table_nat iptable_mangle nf_tables nfnetlink ip6table_filter
ip6_tables aufs iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6
nf_defrag_ipv4 iptable_filter bpfilter wireguard ip6_udp_tunnel udp_tunnel
overlay bridge stp llc binfmt_misc intel_rapl_msr intel_rapl_common
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm mgag200
crct10dif_pclmul drm_vram_helper ipmi_ssif ghash_clmulni_intel ttm aesni_intel
crypto_simd drm_kms_helper cryptd glue_helper i2c_algo_bit fb_sys_fops
syscopyarea sysfillrect sysimgblt rapl intel_cstate serio_raw hpilo joydev
ipmi_si input_leds ipmi_devintf ie31200_edac ipmi_msghandler mac_hid
acpi_power_meter sch_fq_codel parport_pc drm ppdev lp parport sunrpc ip_tables
x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0
Mar 1 19:51:08 microserver kernel: [76180.035222] multipath linear
hid_generic usbhid hid gpio_ich crc32_pclmul lpc_ich psmouse ahci libahci tg3
Mar 1 19:51:08 microserver kernel: [76180.035231] CPU: 1 PID: 0 Comm:
swapper/1 Not tainted 5.4.0-66-generic #74-Ubuntu
Mar 1 19:51:08 microserver kernel: [76180.035232] Hardware name: HP ProLiant
MicroServer Gen8, BIOS J06 04/04/2019
Mar 1 19:51:08 microserver kernel: [76180.035235] RIP:
0010:dev_watchdog+0x258/0x260
Mar 1 19:51:08 microserver kernel: [76180.035238] Code: 85 c0 75 e5 eb 9f 4c
89 ff c6 05 ae 8f e7 00 01 e8 0d b2 fa ff 44 89 e9 4c 89 fe 48 c7 c7 58 a3 83
a1 48 89 c2 e8 c3 c3 70 ff <0f> 0b eb 80 0f 1f 40 00 66 66 66 66 90 55 48 89 e5
41 57 49 89 d7
Mar 1 19:51:08 microserver kernel: [76180.035240] RSP: 0018:b90fc02b0e30
EFLAGS: 00010286
Mar 1 19:51:08 microserver kernel: [76180.035242] RAX: RBX:
8eaa762bf500 RCX: 0006
Mar 1 19:51:08 microserver kernel: [76180.035243] RDX: 0007 RSI:
0096 RDI: 8eaa7aa578c0
Mar 1 19:51:08 microserver kernel: [76180.035244] RBP: b90fc02b0e60 R08:
03ea R09: 0004
Mar 1 19:51:08 microserver kernel: [76180.035245] R10: R11:
0001 R12: 0005
Mar 1 19:51:08 microserver kernel: [76180.035246] R13: R14:
8eaa762ea480 R15: 8eaa762ea000
Mar 1 19:51:08 microserver kernel: [76180.035248] FS: ()
GS:8eaa7aa4() knlGS:
Mar 1 19:51:08 microserver kernel: [76180.035250] CS: 0010 DS: ES:
CR0: 80050033
Mar 1 19:51:08 microserver kernel: [76180.035251] CR2: 0ffe09da5000 CR3:
0001b1e0a004 CR4: 000626e0
Mar 1 19:51:08 microserver kernel: [76180.035252] Call Trace:
Mar 1 19:51:08 microserver kernel: [76180.035255]
Mar 1 19:51:08 microserver kernel: [76180.035259] ?
pfifo_fast_enqueue+0x150/0x150
Mar 1 19:51:08 microserver kernel: [76180.035264] call_timer_fn+0x32/0x130
Mar 1 19:51:08 microserver kernel: [76180.035267]
__run_timers.part.0+0x180/0x280
Mar 1 19:51:08 microserver kernel: [76180.035270] ? timerqueue_add+0x68/0xb0
Mar 1 19:51:08 microserver kernel: [76180.035272] ? enqueue_hrtimer+0x3d/0x90
Mar 1 19:51:08 microserver kernel: [76180.035277] ?
recalibrate_cpu_khz+0x10/0x10
Mar 1 19:51:08 microserver kernel: [76180.035279] ? ktime_get+0x3e/0xa0
Mar 1 19:51:08 microserver kernel: [76180.035282] run_timer_softirq+0x2a/0x50
Mar 1 19:51:08 microserver kernel: [76180.035285] __do_softirq+0xe1/0x2d6
Mar 1 19:51:08 microserver kernel: [76180.035288] ?
hrtimer_interrupt+0x13b/0x220
Mar 1 19:51:08 microserver kernel: [76180.035291] irq_exit+0xae/0xb0
Mar 1 19:51:08 microserver kernel: [76180.035293]
smp_apic_timer_interrupt+0x7b/0x140
Mar 1 19:51:08 microserver kernel: [76180.035296]
apic_timer_interrupt+0xf/0x20
Mar 1 19:51:08 microserver kernel: [76180.035297]
Mar 1 19:51:08 microserver kernel: [76180.035301] RIP:
0010:cpuidle_enter_state+0xc2/0x450
Mar 1 19:51:08 microserver kernel: [76180.035303] Code: 66 90 31 ff e8 ff aa
80 ff 80 7d c7 00 74 17 9c 58 66 66 90 66 90 f6 c4 02 0f 85 65 03 00 00 31 ff
e8 e2 16 87 ff fb 66 66 90 <66> 66 90 45 85 ed 0f 88 8f 02 00 00 49 63 cd 4c 8b
7d d0 4c 2b 7d
Mar 1 19:51:08 microserver kernel: [76180.035304] RSP: 0018:b90fc0083e38
EFLAGS: 0246 ORIG_RAX: ff13
Mar 1 19:51:08 microserver kernel:
