Nov 13 09:27:06 Dwigt kernel: BUG: unable to handle page fault for address: ffffffff81fbb972
Nov 13 09:27:06 Dwigt kernel: #PF: supervisor write access in kernel mode
Nov 13 09:27:06 Dwigt kernel: #PF: error_code(0x0003) - permissions violation
Nov 13 09:27:06 Dwigt kernel: PGD 400e067 P4D 400e067 PUD 400f063 PMD 132eff063 PTE 8000000003fbb061
Nov 13 09:27:06 Dwigt kernel: Oops: 0003 [#1] PREEMPT SMP PTI
Nov 13 09:27:06 Dwigt kernel: CPU: 2 PID: 15 Comm: rcu_preempt Tainted: P O 5.19.9-Unraid #1
Nov 13 09:27:06 Dwigt kernel: Hardware name: Gigabyte Technology Co., Ltd. Z87X-UD4H/Z87X-UD4H-CF, BIOS F9 03/18/2014
Nov 13 09:27:06 Dwigt kernel: RIP: 0010:rcu_gp_kthread+0x3d/0x14d
Nov 13 09:27:06 Dwigt kernel: Code: 48 89 44 24 18 31 c0 65 48 8b 1c 25 c0 bb 01 00 48 8b 15 d6 38 0c 01 48 8b 35 ff 9b fe 00 48 8b 3d 58 9d fe 00 e8 48 ab ff ff <66> c7 05 1c 9c fe 00 01 00 66 8b 05 13 9c fe 00 a8 01 75 44 48 8d
Nov 13 09:27:06 Dwigt kernel: RSP: 0018:ffffc9000009fef0 EFLAGS: 00010286
Nov 13 09:27:06 Dwigt kernel: RAX: 0000000080000000 RBX: ffff8881001f5e80 RCX: 0000000000000000
Nov 13 09:27:06 Dwigt kernel: RDX: ffffffff81ebaeca RSI: 0000000004198534 RDI: ffffffff820bbb08
Nov 13 09:27:06 Dwigt kernel: RBP: ffff888100141a80 R08: 0000000000000000 R09: ffff88882f32c070
Nov 13 09:27:06 Dwigt kernel: R10: 0000000000000000 R11: 0000000000000019 R12: ffffc9000002fdb8
Nov 13 09:27:06 Dwigt kernel: R13: ffffffff810d1d10 R14: 0000000000000000 R15: ffff8881001f5e80
Nov 13 09:27:06 Dwigt kernel: FS: 0000000000000000(0000) GS:ffff88882f300000(0000) knlGS:0000000000000000
Nov 13 09:27:06 Dwigt kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Nov 13 09:27:06 Dwigt kernel: CR2: ffffffff81fbb972 CR3: 000000000400a001 CR4: 00000000001726e0
Nov 13 09:27:06 Dwigt kernel: Call Trace:
Nov 13 09:27:06 Dwigt kernel: <TASK>
Nov 13 09:27:06 Dwigt kernel: kthread+0xe7/0xef
Nov 13 09:27:06 Dwigt kernel: ? kthread_complete_and_exit+0x1b/0x1b
Nov 13 09:27:06 Dwigt kernel: ret_from_fork+0x22/0x30
Nov 13 09:27:06 Dwigt kernel: </TASK>
Nov 13 09:27:06 Dwigt kernel: Modules linked in: tcp_diag udp_diag inet_diag af_packet nvidia_uvm(PO) xt_nat veth ipvlan nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp ip6table_mangle ip6table_nat iptable_mangle vhost_net tun vhost vhost_iotlb tap xfs md_mod it87 hwmon_vid efivarfs iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 wireguard curve25519_x86_64 libcurve25519_generic libchacha20poly1305 chacha_x86_64 poly1305_x86_64 ip6_udp_tunnel udp_tunnel libchacha ip6table_filter ip6_tables iptable_filter ip_tables x_tables bridge stp llc bonding tls ipv6 nvidia_drm(PO) nvidia_modeset(PO) x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel i915 kvm nvidia(PO) iosf_mbi drm_buddy i2c_algo_bit crct10dif_pclmul ttm crc32_pclmul crc32c_intel ghash_clmulni_intel drm_display_helper aesni_intel crypto_simd mxm_wmi cryptd rapl drm_kms_helper intel_cstate intel_uncore drm i2c_i801 i2c_smbus ahci
Nov 13 09:27:06 Dwigt kernel: libahci e1000e intel_gtt agpgart input_leds led_class cp210x i2c_core usbserial syscopyarea sysfillrect sysimgblt fb_sys_fops thermal fan button video wmi backlight unix
Nov 13 09:27:06 Dwigt kernel: CR2: ffffffff81fbb972
Nov 13 09:27:06 Dwigt kernel: ---[ end trace 0000000000000000 ]---
There's this crash, not clear to me what caused it, one thing you can try is to boot the server in safe mode with all docker/VMs disable, let it run as a basic NAS for a few days, if it still crashes it's likely a hardware problem, if it doesn't start turning on the other services one by one.