UI Occasionally Unresponsive


Go to solution Solved by JorgeB,

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As the subject states, I am occasionally having issues with the UI becoming unresponsive.  This generally happens every 3 or 4 days, and is fixed with a reboot.

 

When this happens, I still have terminal access, VMs and containers still function normally.

 

During the most recent event, I was able to capture the system log via ssh.  Most of the log items look normal - just emhttpd spin up / down entries etc.  However, I did spot the following error.

 

 

Apr 10 05:59:44 R2 kernel: BUG: kernel NULL pointer dereference, address: 0000000000000116
Apr 10 05:59:44 R2 kernel: #PF: supervisor read access in kernel mode
Apr 10 05:59:44 R2 kernel: #PF: error_code(0x0000) - not-present page
Apr 10 05:59:44 R2 kernel: PGD 0 P4D 0 
Apr 10 05:59:44 R2 kernel: Oops: 0000 [#1] PREEMPT SMP NOPTI
Apr 10 05:59:44 R2 kernel: CPU: 1 PID: 3094 Comm: deluged Not tainted 5.19.17-Unraid #2
Apr 10 05:59:44 R2 kernel: Hardware name: Gigabyte Technology Co., Ltd. Z390 AORUS ULTRA/Z390 AORUS ULTRA-CF, BIOS F10h 01/19/2021
Apr 10 05:59:44 R2 kernel: RIP: 0010:folio_try_get_rcu+0x0/0x21
Apr 10 05:59:44 R2 kernel: Code: e8 9d fd 67 00 48 8b 84 24 80 00 00 00 65 48 2b 04 25 28 00 00 00 74 05 e8 c1 35 69 00 48 81 c4 88 00 00 00 5b c3 cc cc cc cc <8b> 57 34 85 d2 74 10 8d 4a 01 89 d0 f0 0f b1 4f 34 74 04 89 c2 eb
Apr 10 05:59:44 R2 kernel: RSP: 0000:ffffc90006a47cc0 EFLAGS: 00010246
Apr 10 05:59:44 R2 kernel: RAX: 00000000000000e2 RBX: 00000000000000e2 RCX: 00000000000000e2
Apr 10 05:59:44 R2 kernel: RDX: 0000000000000001 RSI: ffff8888d8a376c0 RDI: 00000000000000e2
Apr 10 05:59:44 R2 kernel: RBP: 0000000000000000 R08: 000000000000003c R09: ffffc90006a47cd0
Apr 10 05:59:44 R2 kernel: R10: ffffc90006a47cd0 R11: ffffc90006a47d48 R12: 0000000000000000
Apr 10 05:59:44 R2 kernel: R13: ffff888c29c0d138 R14: 0000000000b395bf R15: ffff888c29c0d140
Apr 10 05:59:44 R2 kernel: FS:  00001543a82576c0(0000) GS:ffff88907e240000(0000) knlGS:0000000000000000
Apr 10 05:59:44 R2 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 10 05:59:44 R2 kernel: CR2: 0000000000000116 CR3: 0000000221b28001 CR4: 00000000003726e0
Apr 10 05:59:44 R2 kernel: Call Trace:
Apr 10 05:59:44 R2 kernel: <TASK>
Apr 10 05:59:44 R2 kernel: __filemap_get_folio+0x98/0x1ff
Apr 10 05:59:44 R2 kernel: filemap_fault+0x6e/0x524
Apr 10 05:59:44 R2 kernel: __do_fault+0x2d/0x6e
Apr 10 05:59:44 R2 kernel: __handle_mm_fault+0x9a5/0xc7d
Apr 10 05:59:44 R2 kernel: handle_mm_fault+0x113/0x1d7
Apr 10 05:59:44 R2 kernel: do_user_addr_fault+0x36a/0x514
Apr 10 05:59:44 R2 kernel: exc_page_fault+0xfc/0x11e
Apr 10 05:59:44 R2 kernel: asm_exc_page_fault+0x22/0x30
Apr 10 05:59:44 R2 kernel: RIP: 0033:0x1543ad16c60d
Apr 10 05:59:44 R2 kernel: Code: 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 48 89 f8 48 83 fa 20 72 23 <c5> fe 6f 06 48 83 fa 40 0f 87 a5 00 00 00 c5 fe 6f 4c 16 e0 c5 fe
Apr 10 05:59:44 R2 kernel: RSP: 002b:00001543a8256888 EFLAGS: 00010202
Apr 10 05:59:44 R2 kernel: RAX: 000015432803b480 RBX: 00001543280008e8 RCX: 00001543a8256ac0
Apr 10 05:59:44 R2 kernel: RDX: 0000000000004000 RSI: 00001532987bffe1 RDI: 000015432803b480
Apr 10 05:59:44 R2 kernel: RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
Apr 10 05:59:44 R2 kernel: R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
Apr 10 05:59:44 R2 kernel: R13: 0000154170002180 R14: 0000000000000001 R15: 00001543a425a900
Apr 10 05:59:44 R2 kernel: </TASK>
Apr 10 05:59:44 R2 kernel: Modules linked in: nfsv3 nfs xt_mark xt_CHECKSUM ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat iptable_mangle xt_nat xt_tcpudp vhost_net tun vhost vhost_iotlb tap veth xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 br_netfilter xfs nfsd auth_rpcgss oid_registry lockd grace sunrpc md_mod ip6table_filter ip6_tables iptable_filter ip_tables x_tables bridge stp llc mlx4_en mlx4_core e1000e i915 iosf_mbi drm_buddy i2c_algo_bit ttm drm_display_helper drm_kms_helper drm btusb btrtl btbcm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel crypto_simd gigabyte_wmi cryptd wmi_bmof intel_wmi_thunderbolt mxm_wmi btintel rapl bluetooth mpt3sas intel_cstate intel_gtt i2c_i801 nvme agpgart i2c_smbus ahci syscopyarea raid_class ecdh_generic input_leds sysfillrect sysimgblt intel_uncore i2c_core
Apr 10 05:59:44 R2 kernel: nvme_core led_class ecc scsi_transport_sas libahci intel_pch_thermal fb_sys_fops thermal fan video wmi backlight acpi_pad button unix [last unloaded: mlx4_core]
Apr 10 05:59:44 R2 kernel: CR2: 0000000000000116
Apr 10 05:59:44 R2 kernel: ---[ end trace 0000000000000000 ]---
Apr 10 05:59:44 R2 kernel: RIP: 0010:folio_try_get_rcu+0x0/0x21
Apr 10 05:59:44 R2 kernel: Code: e8 9d fd 67 00 48 8b 84 24 80 00 00 00 65 48 2b 04 25 28 00 00 00 74 05 e8 c1 35 69 00 48 81 c4 88 00 00 00 5b c3 cc cc cc cc <8b> 57 34 85 d2 74 10 8d 4a 01 89 d0 f0 0f b1 4f 34 74 04 89 c2 eb
Apr 10 05:59:44 R2 kernel: RSP: 0000:ffffc90006a47cc0 EFLAGS: 00010246
Apr 10 05:59:44 R2 kernel: RAX: 00000000000000e2 RBX: 00000000000000e2 RCX: 00000000000000e2
Apr 10 05:59:44 R2 kernel: RDX: 0000000000000001 RSI: ffff8888d8a376c0 RDI: 00000000000000e2
Apr 10 05:59:44 R2 kernel: RBP: 0000000000000000 R08: 000000000000003c R09: ffffc90006a47cd0
Apr 10 05:59:44 R2 kernel: R10: ffffc90006a47cd0 R11: ffffc90006a47d48 R12: 0000000000000000
Apr 10 05:59:44 R2 kernel: R13: ffff888c29c0d138 R14: 0000000000b395bf R15: ffff888c29c0d140
Apr 10 05:59:44 R2 kernel: FS:  00001543a82576c0(0000) GS:ffff88907e240000(0000) knlGS:0000000000000000
Apr 10 05:59:44 R2 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 10 05:59:44 R2 kernel: CR2: 0000000000000116 CR3: 0000000221b28001 CR4: 00000000003726e0

 

 

Edited by yyc321
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With the binhex deluge vpn docker disabled, everything seems to be stable.  
 

I’m also noticing that the docker and vm pages are loading much more quickly than before.  Not sure if this is related to the torrent docker issue.  
 

Thanks JorgeB

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