Overnight for the past few nights my OMV has started to hang. I believe it's related to ZFS but I don't really know how to troubleshoot this specific issue.
Here's the log:
Code
Apr 21 11:57:24 HMS kernel: [12356.061733] general protection fault: 0000 [#1] SMP PTI
Apr 21 11:57:24 HMS kernel: [12356.061749] Modules linked in: softdog xt_nat xt_tcpudp veth ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack aufs overlay intel_powerclamp coretemp rtl8xxxu kvm_intel arc4 zfs(PO) kvm irqbypass zunicode(PO) zavl(PO) icp(PO) snd_hda_codec_hdmi rtl8192cu nouveau rtl_usb rtl8192c_common rtlwifi mxm_wmi video intel_cstate ttm mac80211 snd_hda_codec_realtek drm_kms_helper snd_hda_codec_generic pcspkr serio_raw drm fb_sys_fops snd_hda_intel syscopyarea input_leds sysfillrect joydev sysimgblt snd_hda_codec cfg80211 nvidiafb snd_hda_core vgastate snd_hwdep fb_ddc snd_pcm i2c_algo_bit snd_timer lpc_ich snd soundcore i7core_edac shpchp asus_atk0110 i5500_temp
Apr 21 11:57:24 HMS kernel: [12356.061859] wmi mac_hid zcommon(PO) znvpair(PO) spl(O) 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 multipath linear usbkbd hid_generic usbmouse usbhid hid psmouse i2c_i801 firewire_ohci firewire_core crc_itu_t sky2 ahci libahci
Apr 21 11:57:24 HMS kernel: [12356.061911] CPU: 2 PID: 840 Comm: z_wr_int_7 Tainted: P IO 4.15.18-12-pve #1
Apr 21 11:57:24 HMS kernel: [12356.061920] Hardware name: System manufacturer System Product Name/P6X58D PREMIUM, BIOS 1501 05/10/2011
Apr 21 11:57:24 HMS kernel: [12356.061998] RIP: 0010:zio_remove_child+0x74/0x140 [zfs]
Apr 21 11:57:24 HMS kernel: [12356.062005] RSP: 0018:ffffbac6c4a0fcf8 EFLAGS: 00010282
Apr 21 11:57:24 HMS kernel: [12356.062013] RAX: ffff8fb2ff9ab110 RBX: ffff8fb3f4796d80 RCX: ffff8fb2ff9ab050
Apr 21 11:57:24 HMS kernel: [12356.062021] RDX: ff7f8fb2ff9abbf0 RSI: ffff8fb3f4796d80 RDI: ffff8fb3f4797590
Apr 21 11:57:24 HMS kernel: [12356.062030] RBP: ffffbac6c4a0fd28 R08: 0000000000200000 R09: ffffbac6c4a0fd68
Apr 21 11:57:24 HMS kernel: [12356.062038] R10: ffffbac6c4a0fcc0 R11: 0000000000000200 R12: ffff8fb3f4797210
Apr 21 11:57:24 HMS kernel: [12356.062049] R13: ffff8fb2ff9ab0f0 R14: ffff8fb3f4797100 R15: ffff8fb3f4797590
Apr 21 11:57:24 HMS kernel: [12356.062059] FS: 0000000000000000(0000) GS:ffff8fb4a9280000(0000) knlGS:0000000000000000
Apr 21 11:57:24 HMS kernel: [12356.062069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 21 11:57:24 HMS kernel: [12356.062077] CR2: 000000c42016c000 CR3: 00000002d640a000 CR4: 00000000000006e0
Apr 21 11:57:24 HMS kernel: [12356.062086] Call Trace:
Apr 21 11:57:24 HMS kernel: [12356.062152] zio_done+0x3ae/0xe60 [zfs]
Apr 21 11:57:24 HMS kernel: [12356.062219] zio_execute+0x95/0xf0 [zfs]
Apr 21 11:57:24 HMS kernel: [12356.062234] taskq_thread+0x2ae/0x4d0 [spl]
Apr 21 11:57:24 HMS kernel: [12356.062246] ? wake_up_q+0x80/0x80
Apr 21 11:57:24 HMS kernel: [12356.062311] ? zio_reexecute+0x390/0x390 [zfs]
Apr 21 11:57:24 HMS kernel: [12356.062321] kthread+0x105/0x140
Apr 21 11:57:24 HMS kernel: [12356.062333] ? taskq_thread_should_stop+0x70/0x70 [spl]
Apr 21 11:57:24 HMS kernel: [12356.062343] ? kthread_create_worker_on_cpu+0x70/0x70
Apr 21 11:57:24 HMS kernel: [12356.062353] ret_from_fork+0x35/0x40
Apr 21 11:57:24 HMS kernel: [12356.062360] Code: 48 89 45 d0 e8 5e 59 c0 e8 48 8b 45 d0 49 89 84 24 a8 03 00 00 4c 89 e8 49 03 84 24 18 01 00 00 48 8b 08 48 8b 50 08 48 89 51 08 <48> 89 0a 48 b9 00 01 00 00 00 00 ad de 48 ba 00 02 00 00 00 00
Apr 21 11:57:24 HMS kernel: [12356.062474] RIP: zio_remove_child+0x74/0x140 [zfs] RSP: ffffbac6c4a0fcf8
Apr 21 11:57:24 HMS kernel: [12356.062511] ---[ end trace 65fa30fb7d3fded2 ]---
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