Can you update the system and test kernel 5.4.0-65.73? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1909117
Title: Repeated kernel OOPS in dentry_unlink_inode Status in linux package in Ubuntu: Confirmed Bug description: Happened twice last night, precisely one hour apart root@nas:/var/log# grep "Dec 23 0[23]:13:" /var/log/syslog* /var/log/syslog:Dec 23 02:13:01 nas CRON[156065]: (root) CMD (date >> /var/log/sensors.log; /usr/bin/sensors -f >> /var/log/sensors.log) /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404588] BUG: kernel NULL pointer dereference, address: 0000000000000408 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404607] #PF: supervisor write access in kernel mode /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404616] #PF: error_code(0x0002) - not-present page /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404626] PGD 0 P4D 0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404632] Oops: 0002 [#1] SMP NOPTI /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404640] CPU: 6 PID: 130 Comm: kswapd0 Not tainted 5.4.0-58-generic #64-Ubuntu /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404652] Hardware name: Gigabyte Technology Co., Ltd. Z390 GAMING X/Z390 GAMING X-CF, BIOS F6 12/04/2018 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404671] RIP: 0010:dentry_unlink_inode+0x56/0x110 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404680] Code: 00 08 00 74 08 65 48 ff 05 6f ee 32 6f 49 8b 84 24 b8 00 00 00 48 85 c0 74 2c 49 8b 94 24 b0 00 00 00 48 89 10 48 85 d2 74 04 <48> 89 42 08 49 c7 84 24 b0 00 00 00 00 00 00 00 49 c7 84 24 b8 00 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404708] RSP: 0018:ffffb70540327b18 EFLAGS: 00010206 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404718] RAX: ffff9131de578680 RBX: ffff9134d3266c00 RCX: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404732] RDX: 0000000000000400 RSI: ffff91395d9c9fa8 RDI: ffff9134d32666c0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404746] RBP: ffffb70540327b28 R08: 00000000000002ad R09: ffffb70540327cb0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404760] R10: 0000000000000000 R11: 0000000000000010 R12: ffff9134d32666c0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404772] R13: ffff9131de578548 R14: ffff9134d32666c0 R15: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404786] FS: 0000000000000000(0000) GS:ffff91395e380000(0000) knlGS:0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404810] CR2: 0000000000000408 CR3: 0000000117e0a006 CR4: 00000000003606e0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404851] Call Trace: /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404858] __dentry_kill+0xdf/0x180 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404866] shrink_dentry_list+0x4e/0xc0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404874] prune_dcache_sb+0x5c/0x80 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404882] super_cache_scan+0xfe/0x1b0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404891] do_shrink_slab+0x150/0x2a0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404900] shrink_slab+0x20c/0x2a0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404908] shrink_node+0xd3/0x410 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404916] balance_pgdat+0x319/0x590 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404924] kswapd+0x1f8/0x3c0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404932] ? wait_woken+0x80/0x80 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404940] kthread+0x104/0x140 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404946] ? balance_pgdat+0x590/0x590 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404954] ? kthread_park+0x90/0x90 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.404963] ret_from_fork+0x35/0x40 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.405418] Modules linked in: ipt_REJECT nf_reject_ipv4 xt_multiport xt_MASQUERADE xt_nat xt_dscp xt_DSCP xt_hashlimit xt_length xt_tcpudp xt_state xt_conntrack nf_log_ipv4 nf_log_common xt_LOG iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bpfilter binfmt_misc nls_iso8859_1 dm_multipath si2157 scsi_dh_rdac scsi_dh_emc scsi_dh_alua lgdt3306a cx231xx_dvb dvb_core cx231xx_alsa cx25840 cx231xx videobuf_vmalloc tveeprom cx2341x videobuf_core i2c_mux videodev mc intel_rapl_msr mei_hdcp intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel snd_hda_codec_hdmi kvm rapl intel_cstate snd_sof_pci snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_hda_codec_realtek snd_hda_ext_core snd_soc_acpi_intel_match snd_hda_codec_generic snd_soc_acpi ledtrig_audio ir_rc5_decoder snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel input_leds snd_intel_dspcfg /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.405433] serio_raw snd_hda_codec wmi_bmof intel_wmi_thunderbolt snd_hda_core snd_hwdep snd_pcm snd_timer snd rc_hauppauge soundcore mei_me mceusb rc_core mei intel_pch_thermal mac_hid acpi_pad sch_fq_codel coretemp parport_pc ppdev lp parport ip_tables x_tables autofs4 xfs btrfs zstd_compress raid10 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 hid_generic usbhid hid uas usb_storage i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i2c_algo_bit aesni_intel drm_kms_helper syscopyarea crypto_simd sysfillrect cryptd glue_helper sysimgblt fb_sys_fops mpt3sas e1000e drm ahci i2c_i801 raid_class libahci scsi_transport_sas wmi video pinctrl_cannonlake pinctrl_intel /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.412038] CR2: 0000000000000408 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.412691] ---[ end trace 466b9c24cd6670ed ]--- /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.413311] RIP: 0010:dentry_unlink_inode+0x56/0x110 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.413933] Code: 00 08 00 74 08 65 48 ff 05 6f ee 32 6f 49 8b 84 24 b8 00 00 00 48 85 c0 74 2c 49 8b 94 24 b0 00 00 00 48 89 10 48 85 d2 74 04 <48> 89 42 08 49 c7 84 24 b0 00 00 00 00 00 00 00 49 c7 84 24 b8 00 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.415280] RSP: 0018:ffffb70540327b18 EFLAGS: 00010206 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.415934] RAX: ffff9131de578680 RBX: ffff9134d3266c00 RCX: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.416604] RDX: 0000000000000400 RSI: ffff91395d9c9fa8 RDI: ffff9134d32666c0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.417267] RBP: ffffb70540327b28 R08: 00000000000002ad R09: ffffb70540327cb0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.417934] R10: 0000000000000000 R11: 0000000000000010 R12: ffff9134d32666c0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.418598] R13: ffff9131de578548 R14: ffff9134d32666c0 R15: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.419266] FS: 0000000000000000(0000) GS:ffff91395e380000(0000) knlGS:0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.419945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.420630] CR2: 0000000000000408 CR3: 0000000117e0a006 CR4: 00000000003606e0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.421309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.421991] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.625982] BUG: kernel NULL pointer dereference, address: 0000000000000440 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.626656] #PF: supervisor read access in kernel mode /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.627383] #PF: error_code(0x0000) - not-present page /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.628053] PGD 798ef0067 P4D 798ef0067 PUD 6f3888067 PMD 0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.628756] Oops: 0000 [#2] SMP NOPTI /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.629421] CPU: 0 PID: 156086 Comm: Plex Media Scan Tainted: G D 5.4.0-58-generic #64-Ubuntu /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.630091] Hardware name: Gigabyte Technology Co., Ltd. Z390 GAMING X/Z390 GAMING X-CF, BIOS F6 12/04/2018 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.630767] RIP: 0010:dentry_unlink_inode+0xa4/0x110 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.631420] Code: 7c 24 58 c6 07 00 0f 1f 40 00 49 8d bd 88 00 00 00 c6 07 00 0f 1f 40 00 41 8b 45 48 85 c0 74 32 49 8b 44 24 60 48 85 c0 74 1a <48> 8b 40 40 48 85 c0 74 11 4c 89 ee 4c 89 e7 e8 98 74 b0 00 41 5c /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.632752] RSP: 0000:ffffb70542487838 EFLAGS: 00010206 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.633420] RAX: 0000000000000400 RBX: ffff91381489b000 RCX: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.634093] RDX: 0000000000000000 RSI: ffff91395e00f160 RDI: ffff9133089831d0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.634763] RBP: ffffb70542487848 R08: 00000000000002a1 R09: ffffb705424879d0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.635433] R10: 0000000000000000 R11: 0000000000000010 R12: ffff9134d3265000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.636104] R13: ffff913308983148 R14: ffff9134d3265000 R15: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.636823] FS: 00007f85b8718bc0(0000) GS:ffff91395e200000(0000) knlGS:0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.637554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.638221] CR2: 0000000000000440 CR3: 00000002959c4003 CR4: 00000000003606f0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.638892] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.639564] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.640231] Call Trace: /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.640898] __dentry_kill+0xdf/0x180 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.641566] shrink_dentry_list+0x4e/0xc0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.642234] prune_dcache_sb+0x5c/0x80 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.642904] super_cache_scan+0xfe/0x1b0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.643572] do_shrink_slab+0x150/0x2a0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.644239] shrink_slab+0x20c/0x2a0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.644916] shrink_node+0xd3/0x410 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.645586] do_try_to_free_pages+0xd7/0x3a0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.646254] try_to_free_pages+0xea/0x1d0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.646925] __alloc_pages_slowpath+0x447/0xe50 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.647638] ? touch_atime+0x33/0xe0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.648344] ? generic_file_buffered_read+0x9ac/0xc10 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.649019] ? get_page_from_freelist+0x6b/0x390 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.649695] __alloc_pages_nodemask+0x2d0/0x320 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.650356] alloc_pages_vma+0x7f/0x200 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.651004] do_anonymous_page+0x118/0x650 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.651660] ? xfs_iunlock+0x85/0x100 [xfs] /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.652328] __handle_mm_fault+0x760/0x7a0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.652942] handle_mm_fault+0xca/0x200 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.653531] do_user_addr_fault+0x1f9/0x450 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.654116] __do_page_fault+0x58/0x90 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.654675] do_page_fault+0x2c/0xe0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.655227] page_fault+0x34/0x40 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.655757] RIP: 0033:0x62be90 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.656306] Code: 01 00 00 48 89 f0 48 8d 76 f0 44 39 78 f4 75 ea 44 01 70 f0 e9 e5 01 00 00 90 4a 89 04 f9 48 8b 5c 24 58 48 3b 5c 24 60 74 22 <44> 89 33 44 89 7b 04 f2 0f 11 5b 08 48 83 c3 10 48 89 5c 24 58 48 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.657366] RSP: 002b:00007ffd9342cde0 EFLAGS: 00010287 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.657958] RAX: 40a79b3d8dc46165 RBX: 00007f85acd9d000 RCX: 000000000233a540 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.658493] RDX: 00007ffd9342d168 RSI: 00007ffd9342d160 RDI: 000000000233a200 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.659015] RBP: 00007ffd9342ced8 R08: 0000000000000001 R09: 00007ffd9342cbf0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.659520] R10: 0000000000000008 R11: 0000000000000001 R12: 00007ffd9342d0e8 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.660021] R13: 0000000000000000 R14: 0000000000010aef R15: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.660554] Modules linked in: ipt_REJECT nf_reject_ipv4 xt_multiport xt_MASQUERADE xt_nat xt_dscp xt_DSCP xt_hashlimit xt_length xt_tcpudp xt_state xt_conntrack nf_log_ipv4 nf_log_common xt_LOG iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bpfilter binfmt_misc nls_iso8859_1 dm_multipath si2157 scsi_dh_rdac scsi_dh_emc scsi_dh_alua lgdt3306a cx231xx_dvb dvb_core cx231xx_alsa cx25840 cx231xx videobuf_vmalloc tveeprom cx2341x videobuf_core i2c_mux videodev mc intel_rapl_msr mei_hdcp intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel snd_hda_codec_hdmi kvm rapl intel_cstate snd_sof_pci snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_hda_codec_realtek snd_hda_ext_core snd_soc_acpi_intel_match snd_hda_codec_generic snd_soc_acpi ledtrig_audio ir_rc5_decoder snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel input_leds snd_intel_dspcfg /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.660569] serio_raw snd_hda_codec wmi_bmof intel_wmi_thunderbolt snd_hda_core snd_hwdep snd_pcm snd_timer snd rc_hauppauge soundcore mei_me mceusb rc_core mei intel_pch_thermal mac_hid acpi_pad sch_fq_codel coretemp parport_pc ppdev lp parport ip_tables x_tables autofs4 xfs btrfs zstd_compress raid10 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 hid_generic usbhid hid uas usb_storage i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i2c_algo_bit aesni_intel drm_kms_helper syscopyarea crypto_simd sysfillrect cryptd glue_helper sysimgblt fb_sys_fops mpt3sas e1000e drm ahci i2c_i801 raid_class libahci scsi_transport_sas wmi video pinctrl_cannonlake pinctrl_intel /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.667646] CR2: 0000000000000440 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.668347] ---[ end trace 466b9c24cd6670ee ]--- /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.668996] RIP: 0010:dentry_unlink_inode+0x56/0x110 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.669628] Code: 00 08 00 74 08 65 48 ff 05 6f ee 32 6f 49 8b 84 24 b8 00 00 00 48 85 c0 74 2c 49 8b 94 24 b0 00 00 00 48 89 10 48 85 d2 74 04 <48> 89 42 08 49 c7 84 24 b0 00 00 00 00 00 00 00 49 c7 84 24 b8 00 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.670932] RSP: 0018:ffffb70540327b18 EFLAGS: 00010206 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.671572] RAX: ffff9131de578680 RBX: ffff9134d3266c00 RCX: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.672199] RDX: 0000000000000400 RSI: ffff91395d9c9fa8 RDI: ffff9134d32666c0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.672826] RBP: ffffb70540327b28 R08: 00000000000002ad R09: ffffb70540327cb0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.673451] R10: 0000000000000000 R11: 0000000000000010 R12: ffff9134d32666c0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.674078] R13: ffff9131de578548 R14: ffff9134d32666c0 R15: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.674706] FS: 00007f85b8718bc0(0000) GS:ffff91395e200000(0000) knlGS:0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.675338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.675968] CR2: 0000000000000440 CR3: 00000002959c4003 CR4: 00000000003606f0 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.676631] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 /var/log/syslog:Dec 23 02:13:10 nas kernel: [54882.677257] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 /var/log/syslog:Dec 23 02:13:33 nas mono[1320]: [Info] RssSyncService: Starting RSS Sync /var/log/syslog:Dec 23 02:13:34 nas mono[1320]: [Info] DownloadDecisionMaker: Processing 200 releases /var/log/syslog:Dec 23 02:13:35 nas mono[1320]: [Info] RssSyncService: RSS Sync Completed. Reports found: 200, Reports grabbed: 0 /var/log/syslog:Dec 23 03:13:01 nas CRON[160829]: (root) CMD (date >> /var/log/sensors.log; /usr/bin/sensors -f >> /var/log/sensors.log) /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.575286] BUG: kernel NULL pointer dereference, address: 0000000000000408 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.575941] #PF: supervisor write access in kernel mode /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.576624] #PF: error_code(0x0002) - not-present page /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.577288] PGD 0 P4D 0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.577922] Oops: 0002 [#3] SMP NOPTI /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.578556] CPU: 7 PID: 88938 Comm: apache2 Tainted: G D 5.4.0-58-generic #64-Ubuntu /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.579207] Hardware name: Gigabyte Technology Co., Ltd. Z390 GAMING X/Z390 GAMING X-CF, BIOS F6 12/04/2018 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.579872] RIP: 0010:dentry_unlink_inode+0x56/0x110 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.580538] Code: 00 08 00 74 08 65 48 ff 05 6f ee 32 6f 49 8b 84 24 b8 00 00 00 48 85 c0 74 2c 49 8b 94 24 b0 00 00 00 48 89 10 48 85 d2 74 04 <48> 89 42 08 49 c7 84 24 b0 00 00 00 00 00 00 00 49 c7 84 24 b8 00 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.581930] RSP: 0000:ffffb70542577588 EFLAGS: 00010206 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.582631] RAX: ffff9137f0c3ce80 RBX: ffff9134d32613c0 RCX: 0000000000000000 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.583336] RDX: 0000000000000400 RSI: ffff91395c64bdf8 RDI: ffff9134d3261840 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.584043] RBP: ffffb70542577598 R08: 0000000000000274 R09: ffffb70542577720 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.584754] R10: 0000000000000000 R11: 0000000000000010 R12: ffff9134d3261840 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.585464] R13: ffff9137f0c3c948 R14: ffff9134d3261840 R15: 0000000000000000 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.586177] FS: 00007f84b41abc40(0000) GS:ffff91395e3c0000(0000) knlGS:0000000000000000 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.586933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.587667] CR2: 0000000000000408 CR3: 0000000810e0e004 CR4: 00000000003606e0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.588404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.589132] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.589860] Call Trace: /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.590637] __dentry_kill+0xdf/0x180 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.591368] shrink_dentry_list+0x4e/0xc0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.592117] prune_dcache_sb+0x5c/0x80 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.592855] super_cache_scan+0xfe/0x1b0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.593594] do_shrink_slab+0x150/0x2a0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.594322] shrink_slab+0x20c/0x2a0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.595078] shrink_node+0xd3/0x410 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.595768] do_try_to_free_pages+0xd7/0x3a0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.596456] try_to_free_pages+0xea/0x1d0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.597141] __alloc_pages_slowpath+0x447/0xe50 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.597824] ? __switch_to+0x110/0x470 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.598507] ? __switch_to_asm+0x40/0x70 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.599235] ? __switch_to_asm+0x34/0x70 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.599913] ? get_page_from_freelist+0x6b/0x390 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.600577] __alloc_pages_nodemask+0x2d0/0x320 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.601238] alloc_pages_vma+0x7f/0x200 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.601875] shmem_alloc_page+0x4e/0xa0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.602497] shmem_alloc_and_acct_page+0x80/0x1d0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.603144] shmem_getpage_gfp+0x174/0x940 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.603735] shmem_fault+0x79/0x210 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.604311] ? file_update_time+0x62/0x140 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.604871] __do_fault+0x3c/0x130 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.605415] do_fault+0x38b/0x640 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.605945] __handle_mm_fault+0x4c5/0x7a0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.606459] handle_mm_fault+0xca/0x200 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.607042] do_user_addr_fault+0x1f9/0x450 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.607534] __do_page_fault+0x58/0x90 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.608024] do_page_fault+0x2c/0xe0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.608528] page_fault+0x34/0x40 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.608997] RIP: 0033:0x7f84b43b5ad1 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.609450] Code: 01 00 00 48 83 fa 40 77 77 c5 fe 7f 44 17 e0 c5 fe 7f 07 c5 f8 77 c3 66 90 f3 0f 1e fa c5 f8 77 48 89 d1 40 0f b6 c6 48 89 fa <f3> aa 48 89 d0 c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 39 d1 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.610412] RSP: 002b:00007ffc5807c0a8 EFLAGS: 00010206 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.610939] RAX: 0000000000000000 RBX: 00007f84b35579e0 RCX: 0000000000000ca0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.611426] RDX: 00007f84a7b18740 RSI: 0000000000000000 RDI: 00007f84a7b19000 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.611911] RBP: 00007f84b2c7c380 R08: 00000000000015a0 R09: 00007f84a6d79048 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.612393] R10: 00007f84a6d79000 R11: 00000000072608d8 R12: 00007f84b3556720 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.612872] R13: 0000000000000004 R14: 0000000000000055 R15: 0000000000001560 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.613347] Modules linked in: ipt_REJECT nf_reject_ipv4 xt_multiport xt_MASQUERADE xt_nat xt_dscp xt_DSCP xt_hashlimit xt_length xt_tcpudp xt_state xt_conntrack nf_log_ipv4 nf_log_common xt_LOG iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bpfilter binfmt_misc nls_iso8859_1 dm_multipath si2157 scsi_dh_rdac scsi_dh_emc scsi_dh_alua lgdt3306a cx231xx_dvb dvb_core cx231xx_alsa cx25840 cx231xx videobuf_vmalloc tveeprom cx2341x videobuf_core i2c_mux videodev mc intel_rapl_msr mei_hdcp intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel snd_hda_codec_hdmi kvm rapl intel_cstate snd_sof_pci snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_hda_codec_realtek snd_hda_ext_core snd_soc_acpi_intel_match snd_hda_codec_generic snd_soc_acpi ledtrig_audio ir_rc5_decoder snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel input_leds snd_intel_dspcfg /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.613363] serio_raw snd_hda_codec wmi_bmof intel_wmi_thunderbolt snd_hda_core snd_hwdep snd_pcm snd_timer snd rc_hauppauge soundcore mei_me mceusb rc_core mei intel_pch_thermal mac_hid acpi_pad sch_fq_codel coretemp parport_pc ppdev lp parport ip_tables x_tables autofs4 xfs btrfs zstd_compress raid10 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 hid_generic usbhid hid uas usb_storage i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i2c_algo_bit aesni_intel drm_kms_helper syscopyarea crypto_simd sysfillrect cryptd glue_helper sysimgblt fb_sys_fops mpt3sas e1000e drm ahci i2c_i801 raid_class libahci scsi_transport_sas wmi video pinctrl_cannonlake pinctrl_intel /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.620137] CR2: 0000000000000408 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.620721] ---[ end trace 466b9c24cd6670ef ]--- /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.621305] RIP: 0010:dentry_unlink_inode+0x56/0x110 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.621887] Code: 00 08 00 74 08 65 48 ff 05 6f ee 32 6f 49 8b 84 24 b8 00 00 00 48 85 c0 74 2c 49 8b 94 24 b0 00 00 00 48 89 10 48 85 d2 74 04 <48> 89 42 08 49 c7 84 24 b0 00 00 00 00 00 00 00 49 c7 84 24 b8 00 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.623100] RSP: 0018:ffffb70540327b18 EFLAGS: 00010206 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.623709] RAX: ffff9131de578680 RBX: ffff9134d3266c00 RCX: 0000000000000000 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.624322] RDX: 0000000000000400 RSI: ffff91395d9c9fa8 RDI: ffff9134d32666c0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.624934] RBP: ffffb70540327b28 R08: 00000000000002ad R09: ffffb70540327cb0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.625559] R10: 0000000000000000 R11: 0000000000000010 R12: ffff9134d32666c0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.626166] R13: ffff9131de578548 R14: ffff9134d32666c0 R15: 0000000000000000 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.626810] FS: 00007f84b41abc40(0000) GS:ffff91395e3c0000(0000) knlGS:0000000000000000 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.627425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.628039] CR2: 0000000000000408 CR3: 0000000810e0e004 CR4: 00000000003606e0 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.628659] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 /var/log/syslog:Dec 23 03:13:41 nas kernel: [58513.629281] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-58-generic 5.4.0-58.64 ProcVersionSignature: Ubuntu 5.4.0-58.64-generic 5.4.73 Uname: Linux 5.4.0-58-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version k5.4.0-58-generic. AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.11-0ubuntu27.14 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-id', '/dev/snd/controlC1', '/dev/snd/pcmC1D0c', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D2', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D10p', '/dev/snd/pcmC0D9p', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer' Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer' Card1.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer' Card1.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer' CasperMD5CheckResult: skip Date: Wed Dec 23 07:56:37 2020 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Bus 002 Device 002: ID 152d:0562 JMicron Technology Corp. / JMicron USA Technology Corp. SSK-DK100 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 051d:0002 American Power Conversion Uninterruptible Power Supply Bus 001 Device 002: ID 2040:b123 Hauppauge Hauppauge Device Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Gigabyte Technology Co., Ltd. Z390 GAMING X ProcEnviron: TERM=vt100 PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-58-generic root=UUID=2b1bb3b3-9a79-416c-a103-ef8b020bf5e1 ro PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.4.0-58-generic N/A linux-backports-modules-5.4.0-58-generic N/A linux-firmware 1.187.6 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: Upgraded to focal on 2020-06-12 (193 days ago) dmi.bios.date: 12/04/2018 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F6 dmi.board.asset.tag: Default string dmi.board.name: Z390 GAMING X-CF dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF6:bd12/04/2018:svnGigabyteTechnologyCo.,Ltd.:pnZ390GAMINGX:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnZ390GAMINGX-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: Default string dmi.product.name: Z390 GAMING X dmi.product.sku: Default string dmi.product.version: Default string dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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