Here’s the latest output using the debug kernel:
console [ttyS1] enabled
bootconsole [earlyvga0] disabled
ACPI: Core revision 20180810
clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635855245 ns
APIC: Switch to symmetric I/O mode setup
x2apic: IRQ remapping doesn't support X2APIC mode
x2apic disabled
Switched APIC routing to flat.
..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb633008a4, max_idle_ns: 440795292230 ns
Calibrating delay loop (skipped), value calculated using timer frequency.. 4400.00 BogoMIPS (lpj=2200000)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 131072 (order: 8, 1048576 bytes)
Mountpoint-cache hash table entries: 131072 (order: 8, 1048576 bytes)
ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
process: using mwait in idle threads
Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
Spectre V2 : Mitigation: Full generic retpoline
Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
Spectre V2 : Enabling Restricted Speculation for firmware calls
Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl
Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp
MDS: Mitigation: Clear CPU buffers
Freeing SMP alternatives memory: 52K
smpboot: CPU0: Intel(R) Xeon(R) Silver 4114 CPU @ 2.20GHz (family: 0x6, model: 0x55, stepping: 0x4)
Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.
... version: 4
... bit width: 48
... generic registers: 4
... value mask: 0000ffffffffffff
... max period: 00007fffffffffff
... fixed-purpose events: 3
... event mask: 000000070000000f
rcu: Hierarchical SRCU implementation.
smp: Bringing up secondary CPUs ...
x86: Booting SMP configuration:
.... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7
smp: Brought up 1 node, 8 CPUs
smpboot: Max logical packages: 10
smpboot: Total of 8 processors activated (35220.85 BogoMIPS)
devtmpfs: initialized
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
futex hash table entries: 2048 (order: 5, 131072 bytes)
xor: automatically using best checksumming function avx
pinctrl core: initialized pinctrl subsystem
rcu: INFO: rcu_sched self-detected stall on CPU
rcu: 0-....: (20999 ticks this GP) idle=04a/1/0x4000000000000002 softirq=10/10 fqs=5241
rcu: (t=21000 jiffies g=-1175 q=19)
NMI backtrace for cpu 0
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.19.65 #12
Hardware name: Dell Inc. PowerEdge R640/08HT8T, BIOS 2.2.11 06/13/2019
Call Trace:
<IRQ>
0xffffffff81d6ecad
0xffffffff81d7222f
? 0xffffffff8102b073
0xffffffff81d7228a
0xffffffff8107ce90
0xffffffff8107c41d
0xffffffff810806b4
0xffffffff8108a34e
0xffffffff81e017d5
0xffffffff81e013af
</IRQ>
RIP: 0010:0xffffffff8108fa1d
Code: 36 48 89 de 89 c7 e8 ca ef cd 00 3b 05 c0 13 86 01 73 24 48 63 f0 49 8b 16 48 03 14 f5 30 83 61 82 8b 72 18 40 80 e6 01 74 04 <f3> 90 eb f3 eb d1 0f 0b e9 72 fe ff ff 48 83 c4 10 5b 5d 41 5c 41
RSP: 0000:ffffc9000007fae0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8897e101fac8 RCX: 0000000000000001
RDX: ffff8897e10621c0 RSI: 0000000000000001 RDI: ffff8897e101fac8
RBP: 000000000001fa80 R08: 0000000000000000 R09: 00000000016daed4
R10: ffffc9000007fb58 R11: 000fffffffe00000 R12: 0000000000000001
R13: 0000000000000008 R14: ffff8897e101fac0 R15: 0000000000000000
? 0xffffffff81039a
Ethernet 25G 2P E810-XXV. I will not be cabling the 1Gb NIC and intend to only use the 25Gb NIC.