I got a bug check and the guys in #kernelnewbies in oftc told me to email
you guys about it, not sure what to do about it

2036206:Apr 20 03:22:51 metalhead kernel: [103376.518888] kernel BUG at
mm/zswap.c:1184!
2036207-Apr 20 03:22:51 metalhead kernel: [103376.518893] invalid opcode:
0000 [#1] PREEMPT SMP PTI
2036208-Apr 20 03:22:51 metalhead kernel: [103376.518895] CPU: 5 PID: 2008
Comm: swapoff Not tainted 5.6.5-gentoo-x86_64 #1
2036209-Apr 20 03:22:51 metalhead kernel: [103376.518896] Hardware name:
Dell Inc. OptiPlex 7020/02YYK5, BIOS A15 02/02/2018
2036210-Apr 20 03:22:51 metalhead kernel: [103376.518900] RIP:
0010:zswap_frontswap_load+0x238/0x250
2036211-Apr 20 03:22:51 metalhead kernel: [103376.518901] Code: 00 00 e8 bb
04 e5 ff 65 8b 05 3c d3 dc 71 85 c0 0f 85 61 ff ff ff e8 3b 74 db ff e9 57
ff ff ff e8 31 74 db ff e9 35 ff ff ff <0f> 0b e8 25 74 db ff e9 00 ff ff
ff e8 37 13 e2 ff 0f 1f 80 00 00
2036212-Apr 20 03:22:51 metalhead kernel: [103376.518902] RSP:
0018:ffffa7ed41f6fb20 EFLAGS: 00010282
2036213-Apr 20 03:22:51 metalhead kernel: [103376.518903] RAX:
0000000080000000 RBX: 00000000ffffffea RCX: 0000000000000000
2036214-Apr 20 03:22:51 metalhead kernel: [103376.518904] RDX:
0000000000000001 RSI: 0000000000000000 RDI: 00000000ffffffff
2036215-Apr 20 03:22:51 metalhead kernel: [103376.518905] RBP:
ffff8f37e9eab2a0 R08: ffff8f3a308de780 R09: 0000000000000000
2036216-Apr 20 03:22:51 metalhead kernel: [103376.518905] R10:
0000000000000000 R11: ffffa7ed41f6fb00 R12: ffff8f37bf4e4000
2036217-Apr 20 03:22:51 metalhead kernel: [103376.518906] R13:
ffff8f3bf6908d28 R14: ffff8f3bf6908d20 R15: ffff8f3bc7cc5ec8
2036218-Apr 20 03:22:51 metalhead kernel: [103376.518907] FS:
 00007fc9c4cf0780(0000) GS:ffff8f3cfda00000(0000) knlGS:0000000000000000
2036219-Apr 20 03:22:51 metalhead kernel: [103376.518908] CS:  0010 DS:
0000 ES: 0000 CR0: 0000000080050033
2036220-Apr 20 03:22:51 metalhead kernel: [103376.518909] CR2:
00007f9e8a1d471c CR3: 0000000300754005 CR4: 00000000001606e0
2036221-Apr 20 03:22:51 metalhead kernel: [103376.518909] Call Trace:
2036222-Apr 20 03:22:51 metalhead kernel: [103376.518916]
 __frontswap_load+0x9c/0xf0
2036223-Apr 20 03:22:51 metalhead kernel: [103376.518918]
 swap_readpage+0xfb/0x330
2036224-Apr 20 03:22:51 metalhead kernel: [103376.518920]
 swap_cluster_readahead+0x1da/0x300
2036225-Apr 20 03:22:51 metalhead kernel: [103376.518922]  ?
0xffffffff8e000000
2036226-Apr 20 03:22:51 metalhead kernel: [103376.518924]
 swapin_readahead+0x2e4/0x4a0
2036227-Apr 20 03:22:51 metalhead kernel: [103376.518926]  ?
put_swap_page+0x106/0x310
2036228-Apr 20 03:22:51 metalhead kernel: [103376.518928]
 unuse_pte_range+0x167/0x760
2036229-Apr 20 03:22:51 metalhead kernel: [103376.518930]
 try_to_unuse+0x5a1/0x730
2036230-Apr 20 03:22:51 metalhead kernel: [103376.518932]
 __do_sys_swapoff+0x1df/0x6d0
2036231-Apr 20 03:22:51 metalhead kernel: [103376.518935]  ?
exit_to_usermode_loop+0x97/0xf0
2036232-Apr 20 03:22:51 metalhead kernel: [103376.518937]
 do_syscall_64+0x55/0x1b0
2036233-Apr 20 03:22:51 metalhead kernel: [103376.518942]
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
2036234-Apr 20 03:22:51 metalhead kernel: [103376.518944] RIP:
0033:0x7fc9c4e25657
2036235-Apr 20 03:22:51 metalhead kernel: [103376.518945] Code: 73 01 c3 48
8b 0d 39 b8 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00
00 0f 1f 44 00 00 b8 a8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b
0d 09 b8 0c 00 f7 d8 64 89 01 48
2036236-Apr 20 03:22:51 metalhead kernel: [103376.518946] RSP:
002b:00007ffc715f01e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a8
2036237-Apr 20 03:22:51 metalhead kernel: [103376.518947] RAX:
ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc9c4e25657
2036238-Apr 20 03:22:51 metalhead kernel: [103376.518948] RDX:
0000000000000001 RSI: 0000000000000003 RDI: 0000557e405007b0
2036239-Apr 20 03:22:51 metalhead kernel: [103376.518948] RBP:
00007ffc715f1442 R08: 0000557e404fe580 R09: 0000000000000001
2036240-Apr 20 03:22:51 metalhead kernel: [103376.518949] R10:
00007fc9c50018e0 R11: 0000000000000206 R12: 0000000000000000
2036241-Apr 20 03:22:51 metalhead kernel: [103376.518949] R13:
0000557e405007b0 R14: 0000000000000000 R15: 0000000000000000
2036242-Apr 20 03:22:51 metalhead kernel: [103376.518951] Modules linked
in: z3fold bfq ipt_REJECT nf_reject_ipv4 xt_multiport iptable_filter
ip_tables af_packet snd_hda_codec_hdmi i915 i2c_algo_bit drm_kms_helper
intel_rapl_msr intel_rapl_common cec uvcvideo x86_pkg_temp_thermal
intel_powerclamp snd_hda_codec_generic drm dell_wmi ledtrig_audio
videobuf2_vmalloc sparse_keymap iTCO_wdt kvm_intel wmi_bmof
videobuf2_memops dell_smbios dell_wmi_descriptor iTCO_vendor_support
snd_hda_intel snd_usb_audio drm_panel_orientation_quirks dcdbas
snd_usbmidi_lib snd_rawmidi mousedev videobuf2_v4l2 kvm videobuf2_common
videodev intel_gtt agpgart snd_seq_device irqbypass input_leds joydev
syscopyarea snd_intel_dspcfg sysfillrect sysimgblt fb_sys_fops binfmt_misc
crct10dif_pclmul i2c_i801 ghash_clmulni_intel snd_hda_codec i2c_core
intel_cstate video wmi snd_hwdep intel_uncore snd_hda_core snd_pcm e1000e
intel_rapl_perf snd_timer snd backlight evbug lpc_ich evdev pcspkr
soundcore mfd_core coretemp hwmon aesni_intel crypto_simd cryptd glue
2036243-Apr 20 03:22:51 metalhead kernel: helper
2036244-Apr 20 03:22:51 metalhead kernel: [103376.518983]  algif_rng
algif_aead algif_hash algif_skcipher af_alg crc32c_intel crc32_pclmul
crc32_generic configfs overlay squashfs lz4_decompress loop btrfs xor ext4
mbcache jbd2 raid6_pq libcrc32c dm_snapshot dm_mirror dm_region_hash
dm_log_userspace dm_log dm_bufio dm_mod firewire_core crc_itu_t hid_generic
usbhid ohci_hcd usb_storage hid xhci_plat_hcd xhci_pci xhci_hcd ehci_pci
ehci_hcd usbcore usb_common scsi_transport_fc sr_mod cdrom sg sd_mod t10_pi
ahci libahci libata scsi_mod
2036245-Apr 20 03:22:51 metalhead kernel: [103376.519004] ---[ end trace
5959740853c6dbd4 ]---