I'd created a post in the support forum but after doing more searches maybe I'm actually seeing a bug here. There is some background info here, but basically I'd been running rock solid for weeks with no problems. I started trying to use a Windows VM converted from a physical machine and pass my GTX 1050 Ti through. While that all appeared to work fine as well, now my Unraid server becomes non-responsive. Sometimes this happens late in the day, sometimes the next morning, but it is pretty consistent and I can't access the web GUI, ssh, and usually even the local display. I've run at least one pass of memtest and had 0 errors in that run as well.
I've attached a diagnostics zip here as well, but here's what caught my eye today:
QuoteAug 29 09:53:42 unraid kernel: BUG: unable to handle page fault for address: fffff8ef62b6de88
Aug 29 09:53:42 unraid kernel: #PF: supervisor read access in kernel mode
Aug 29 09:53:42 unraid kernel: #PF: error_code(0x0000) - not-present page
Aug 29 09:53:42 unraid kernel: PGD 0 P4D 0
Aug 29 09:53:42 unraid kernel: Oops: 0000 [#1] SMP PTI
Aug 29 09:53:42 unraid kernel: CPU: 1 PID: 13583 Comm: php-fpm Tainted: G W 5.7.8-Unraid #1
Aug 29 09:53:42 unraid kernel: Hardware name: Hewlett-Packard HP Z230 Tower Workstation/1905, BIOS L51 v01.63 04/22/2020
Aug 29 09:53:42 unraid kernel: RIP: 0010:compound_head+0x0/0x11
Aug 29 09:53:42 unraid kernel: Code: 89 06 31 c0 c3 48 8b 17 b8 01 00 00 00 48 f7 c2 9f ff ff ff 74 13 48 b8 98 0f 00 00 00 00 f0 7f 48 85 c2 0f 95 c0 0f b6 c0 c3 <48> 8b 57 08 48 89 f8 f6 c2 01 74 04 48 8d 42 ff c3 65 48 8b 04 25
Aug 29 09:53:42 unraid kernel: RSP: 0018:ffffc9000031fcc8 EFLAGS: 00010282
Aug 29 09:53:42 unraid kernel: RAX: 0000000000000001 RBX: 000014a12306c000 RCX: ffff888000000000
Aug 29 09:53:42 unraid kernel: RDX: 0000003bbd8adb7a RSI: ffffc9000031fcc4 RDI: fffff8ef62b6de80
Aug 29 09:53:42 unraid kernel: RBP: ffffc9000031fdf8 R08: fffff8ef62b6de80 R09: 7c00003bbd8adb7a
Aug 29 09:53:42 unraid kernel: R10: ffff8885262bf148 R11: ffffc9000031fd50 R12: ffff8884ea490af8
Aug 29 09:53:42 unraid kernel: R13: 00000004fcc5d025 R14: ffff888465212000 R15: ffff8884652d4420
Aug 29 09:53:42 unraid kernel: FS: 0000000000000000(0000) GS:ffff88852ba80000(0000) knlGS:0000000000000000
Aug 29 09:53:42 unraid kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Aug 29 09:53:42 unraid kernel: CR2: fffff8ef62b6de88 CR3: 000000000200a002 CR4: 00000000001606e0
Aug 29 09:53:42 unraid kernel: Call Trace:
Aug 29 09:53:42 unraid kernel: migration_entry_to_page+0x19/0x2e
Aug 29 09:53:42 unraid kernel: unmap_page_range+0x444/0x65c
Aug 29 09:53:42 unraid kernel: unmap_vmas+0x6c/0x9a
Aug 29 09:53:42 unraid kernel: exit_mmap+0xb2/0x14d
Aug 29 09:53:42 unraid kernel: __mmput+0x3b/0xd6
Aug 29 09:53:42 unraid kernel: do_exit+0x3ae/0x8f3
Aug 29 09:53:42 unraid kernel: ? handle_mm_fault+0x117/0x165
Aug 29 09:53:42 unraid kernel: do_group_exit+0x8e/0x8e
Aug 29 09:53:42 unraid kernel: __x64_sys_exit_group+0xf/0xf
Aug 29 09:53:42 unraid kernel: do_syscall_64+0x7a/0x87
Aug 29 09:53:42 unraid kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Aug 29 09:53:42 unraid kernel: RIP: 0033:0x14a127414b46
Aug 29 09:53:42 unraid kernel: Code: Bad RIP value.
Aug 29 09:53:42 unraid kernel: RSP: 002b:00007ffce070cc88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
Aug 29 09:53:42 unraid kernel: RAX: ffffffffffffffda RBX: 000014a127513820 RCX: 000014a127414b46
Aug 29 09:53:42 unraid kernel: RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
Aug 29 09:53:42 unraid kernel: RBP: 0000000000000000 R08: 00000000000000e7 R09: ffffffffffffff78
Aug 29 09:53:42 unraid kernel: R10: fffffffffffff8f5 R11: 0000000000000246 R12: 000014a127513820
Aug 29 09:53:42 unraid kernel: R13: 000000000000000b R14: 000014a12751c328 R15: 0000000000000000
Aug 29 09:53:42 unraid kernel: Modules linked in: xt_nat xt_CHECKSUM ipt_REJECT ip6table_mangle ip6table_nat iptable_mangle ip6table_filter ip6_tables vhost_net tun vhost vhost_iotlb tap macvlan xt_MASQUERADE iptable_filter iptable_nat nf_nat ip_tables xfs dm_crypt dm_mod dax md_mod e1000e igb i2c_algo_bit x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel crypto_simd wmi_bmof cryptd glue_helper intel_cstate intel_uncore intel_rapl_perf ahci libahci i2c_i801 i2c_core input_leds led_class wmi button thermal fan [last unloaded: md_mod]
Aug 29 09:53:42 unraid kernel: CR2: fffff8ef62b6de88
Aug 29 09:53:42 unraid kernel: ---[ end trace 7835d68bf5662ab2 ]---
Aug 29 09:53:42 unraid kernel: RIP: 0010:compound_head+0x0/0x11
Aug 29 09:53:42 unraid kernel: Code: 89 06 31 c0 c3 48 8b 17 b8 01 00 00 00 48 f7 c2 9f ff ff ff 74 13 48 b8 98 0f 00 00 00 00 f0 7f 48 85 c2 0f 95 c0 0f b6 c0 c3 <48> 8b 57 08 48 89 f8 f6 c2 01 74 04 48 8d 42 ff c3 65 48 8b 04 25
Aug 29 09:53:42 unraid kernel: RSP: 0018:ffffc9000031fcc8 EFLAGS: 00010282
Aug 29 09:53:42 unraid kernel: RAX: 0000000000000001 RBX: 000014a12306c000 RCX: ffff888000000000
Aug 29 09:53:42 unraid kernel: RDX: 0000003bbd8adb7a RSI: ffffc9000031fcc4 RDI: fffff8ef62b6de80
Aug 29 09:53:42 unraid kernel: RBP: ffffc9000031fdf8 R08: fffff8ef62b6de80 R09: 7c00003bbd8adb7a
Aug 29 09:53:42 unraid kernel: R10: ffff8885262bf148 R11: ffffc9000031fd50 R12: ffff8884ea490af8
Aug 29 09:53:42 unraid kernel: R13: 00000004fcc5d025 R14: ffff888465212000 R15: ffff8884652d4420
Aug 29 09:53:42 unraid kernel: FS: 0000000000000000(0000) GS:ffff88852ba80000(0000) knlGS:0000000000000000
Aug 29 09:53:42 unraid kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Aug 29 09:53:42 unraid kernel: CR2: 000014a127414b1c CR3: 000000000200a002 CR4: 00000000001606e0
Aug 29 09:53:42 unraid kernel: Fixing recursive fault but reboot is needed!
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