On Tue, 9 Mar 2021 at 07:31, Hillf Danton wrote: > > At the first glance, the zero pointer goes out of the box of race because > > 1/ the Call Trace shows it is the free path (of the supposed race victim), > > 2/ on the race winner side however either list_del or list_del_init > would not leave a null pointer behind - the list_add captured in this > report is under pool->lock. > No more ideas how to fix it? Kernel panics continue happens again and again with you patches and recent commits. [102491.134247] ------------[ cut here ]------------ [102491.134248] list_add corruption. next->prev should be prev (ffffcc447ea60c78), but was ffffffff8a64ec20. (next=ffff8adc731d3f40). [102491.134266] ODEBUG: free active (active state 0) object type: work_struct hint: compact_page_work+0x0/0x10 [102491.134294] ------------[ cut here ]------------ [102491.134295] kernel BUG at lib/list_debug.c:23! [102491.134299] invalid opcode: 0000 [#1] SMP NOPTI [102491.134301] CPU: 22 PID: 863413 Comm: kworker/u64:0 Tainted: G W --------- --- 5.12.0-0.rc2.20210310git05a59d79793d.168.fc35.x86_64 #1 [102491.134303] Hardware name: System manufacturer System Product Name/ROG STRIX X570-I GAMING, BIOS 3402 01/13/2021 [102491.134305] Workqueue: zswap3 compact_page_work [102491.134309] RIP: 0010:__list_add_valid.cold+0xf/0x3f [102491.134312] Code: 48 c7 c6 34 a9 64 8b 48 89 ef 49 c7 c7 ea ff ff ff e8 91 81 01 00 e9 ac f5 9c ff 4c 89 c1 48 c7 c7 00 aa 64 8b e8 67 fd fd ff <0f> 0b 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 b0 aa 64 8b e8 50 fd fd [102491.134313] RSP: 0018:ffffac4494cabde0 EFLAGS: 00010282 [102491.134315] RAX: 0000000000000075 RBX: ffffe6ed86ac8580 RCX: 0000000000000000 [102491.134316] RDX: ffff8ae3497e97a0 RSI: ffff8ae3497daae0 RDI: ffff8ae3497daae0 [102491.134316] RBP: ffffcc447ea60c78 R08: 0000000000000000 R09: 0000000000000000 [102491.134317] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8adc4e317a08 [102491.134318] R13: ffff8adceb216010 R14: ffff8adc731d3f40 R15: ffff8adceb216000 [102491.134319] FS: 0000000000000000(0000) GS:ffff8ae349600000(0000) knlGS:0000000000000000 [102491.134320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [102491.134320] CR2: 0000376f1d60afe8 CR3: 00000003b1c28000 CR4: 0000000000350ee0 [102491.134321] Call Trace: [102491.134324] do_compact_page+0x28d/0xb60 [102491.134326] ? debug_object_deactivate+0x55/0x140 [102491.134329] ? lock_release+0x1ef/0x410 [102491.134331] ? lock_release+0x1ef/0x410 [102491.134333] process_one_work+0x2b0/0x5e0 [102491.134337] worker_thread+0x55/0x3c0 [102491.134339] ? process_one_work+0x5e0/0x5e0 [102491.134340] kthread+0x13a/0x150 [102491.134342] ? __kthread_bind_mask+0x60/0x60 [102491.134345] ret_from_fork+0x22/0x30 [102491.134349] Modules linked in: snd_seq_dummy snd_hrtimer nls_utf8 isofs uas usb_storage tun uinput rfcomm netconsole nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib [102491.134375] WARNING: CPU: 18 PID: 182 at lib/debugobjects.c:505 debug_print_object+0x6e/0x90 [102491.134380] nft_reject_inet nf_reject_ipv4 [102491.134383] Modules linked in: [102491.134385] nf_reject_ipv6 nft_reject [102491.134388] snd_seq_dummy [102491.134390] nft_ct [102491.134393] snd_hrtimer [102491.134395] nft_chain_nat nf_nat [102491.134398] nls_utf8 [102491.134400] nf_conntrack nf_defrag_ipv6 [102491.134403] isofs [102491.134405] nf_defrag_ipv4 ip_set nf_tables nfnetlink cmac bnep zstd sunrpc vfat fat hid_logitech_hidpp hid_logitech_dj intel_rapl_msr intel_rapl_common uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_realtek videobuf2_common mt76x2u mt76x2_common snd_hda_codec_generic mt76x02_usb iwlmvm videodev edac_mce_amd snd_usb_audio ledtrig_audio snd_hda_codec_hdmi mt76_usb mt76x02_lib snd_usbmidi_lib kvm_amd snd_hda_intel mt76 snd_rawmidi snd_intel_dspcfg mc joydev snd_intel_sdw_acpi mac80211 kvm snd_hda_codec snd_hda_core iwlwifi btusb snd_hwdep btrtl snd_seq btbcm btintel eeepc_wmi asus_wmi snd_seq_device irqbypass xpad sparse_keymap bluetooth libarc4 rapl snd_pcm video ff_memless wmi_bmof ecdh_generic ecc cfg80211 pcspkr snd_timer k10temp snd sp5100_tco i2c_piix4 soundcore rfkill acpi_cpufreq binfmt_misc ip_tables amdgpu drm_ttm_helper ttm iommu_v2 gpu_sched drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec igb drm nvme ghash_clmulni_intel dca ccp [102491.134476] nvme_core i2c_algo_bit wmi pinctrl_amd fuse [102491.134484] ---[ end trace 562b0b01453e6613 ]--- [102491.134505] RIP: 0010:__list_add_valid.cold+0xf/0x3f [102491.134509] Code: 48 c7 c6 34 a9 64 8b 48 89 ef 49 c7 c7 ea ff ff ff e8 91 81 01 00 e9 ac f5 9c ff 4c 89 c1 48 c7 c7 00 aa 64 8b e8 67 fd fd ff <0f> 0b 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 b0 aa 64 8b e8 50 fd fd [102491.134511] RSP: 0018:ffffac4494cabde0 EFLAGS: 00010282 [102491.134514] RAX: 0000000000000075 RBX: ffffe6ed86ac8580 RCX: 0000000000000000 [102491.134992] uas usb_storage tun uinput rfcomm netconsole nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat [102491.135036] RDX: ffff8ae3497e97a0 RSI: ffff8ae3497daae0 RDI: ffff8ae3497daae0 [102491.135039] RBP: ffffcc447ea60c78 R08: 0000000000000000 R09: 0000000000000000 [102491.135040] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8adc4e317a08 [102491.135041] R13: ffff8adceb216010 R14: ffff8adc731d3f40 R15: ffff8adceb216000 [102491.135042] FS: 0000000000000000(0000) GS:ffff8ae349600000(0000) knlGS:0000000000000000 [102491.135047] nf_conntrack nf_defrag_ipv6 [102491.135051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [102491.135054] nf_defrag_ipv4 [102491.135056] CR2: 0000376f1d60afe8 CR3: 00000003b1c28000 CR4: 0000000000350ee0 [102491.135059] ip_set [102491.135061] note: kworker/u64:0[863413] exited with preempt_count 2 [102491.135064] nf_tables nfnetlink cmac bnep zstd sunrpc vfat fat hid_logitech_hidpp hid_logitech_dj intel_rapl_msr intel_rapl_common uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_realtek videobuf2_common mt76x2u mt76x2_common snd_hda_codec_generic mt76x02_usb iwlmvm videodev edac_mce_amd snd_usb_audio ledtrig_audio snd_hda_codec_hdmi mt76_usb mt76x02_lib snd_usbmidi_lib kvm_amd snd_hda_intel mt76 snd_rawmidi snd_intel_dspcfg mc joydev snd_intel_sdw_acpi mac80211 kvm snd_hda_codec snd_hda_core iwlwifi btusb snd_hwdep btrtl snd_seq btbcm btintel eeepc_wmi asus_wmi snd_seq_device irqbypass xpad sparse_keymap bluetooth libarc4 rapl snd_pcm video ff_memless wmi_bmof ecdh_generic ecc cfg80211 pcspkr snd_timer k10temp snd sp5100_tco i2c_piix4 soundcore rfkill acpi_cpufreq binfmt_misc ip_tables amdgpu drm_ttm_helper ttm iommu_v2 gpu_sched drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec igb drm nvme ghash_clmulni_intel dca ccp nvme_core i2c_algo_bit wmi [102491.135357] pinctrl_amd fuse [102491.135366] CPU: 18 PID: 182 Comm: kcompactd0 Tainted: G D W --------- --- 5.12.0-0.rc2.20210310git05a59d79793d.168.fc35.x86_64 #1 [102491.135369] Hardware name: System manufacturer System Product Name/ROG STRIX X570-I GAMING, BIOS 3402 01/13/2021 [102491.135372] RIP: 0010:debug_print_object+0x6e/0x90 [102491.135403] Code: 49 89 c1 8b 43 10 83 c2 01 8b 4b 14 48 c7 c7 e8 ab 64 8b 89 15 a7 0b 37 03 4c 8b 45 00 48 8b 14 c5 a0 80 2a 8b e8 50 4d 60 00 <0f> 0b 83 05 25 0e 99 01 01 48 83 c4 08 5b 5d c3 83 05 17 0e 99 01 [102491.135406] RSP: 0018:ffffac448080bb78 EFLAGS: 00010296 [102491.135409] RAX: 000000000000005e RBX: ffff8add6de5c7a8 RCX: 0000000000000027 [102491.135412] RDX: ffff8ae348fdaae8 RSI: 0000000000000001 RDI: ffff8ae348fdaae0 [102491.135415] RBP: ffffffff8b221320 R08: 0000000000000000 R09: 0000000000000000 [102491.135417] R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000122 [102491.135419] R13: dead000000000100 R14: ffffffff8b221320 R15: 0000000000000005 [102491.135421] FS: 0000000000000000(0000) GS:ffff8ae348e00000(0000) knlGS:0000000000000000 [102491.135441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [102491.135443] CR2: 00007f41b9ee7000 CR3: 00000003b1c28000 CR4: 0000000000350ee0 [102491.135446] Call Trace: [102491.135451] debug_check_no_obj_freed+0x1db/0x220 [102491.135455] free_pcp_prepare+0x132/0x270 [102491.135459] free_unref_page+0x18/0xd0 [102491.135463] migrate_pages+0x8b9/0x1200 [102491.135467] ? isolate_freepages_block+0x4a0/0x4a0 [102491.135471] ? split_map_pages+0x160/0x160 [102491.135490] compact_zone+0x680/0xfd0 [102491.135493] ? __free_object+0x2b9/0x300 [102491.135496] ? lock_release+0x1ef/0x410 [102491.135500] proactive_compact_node+0x78/0xb0 [102491.135505] kcompactd+0x38a/0x440 [102491.135509] ? do_wait_intr_irq+0xd0/0xd0 [102491.135512] ? kcompactd_do_work+0x3a0/0x3a0 [102491.135515] kthread+0x13a/0x150 [102491.135520] ? __kthread_bind_mask+0x60/0x60 [102491.135533] ret_from_fork+0x22/0x30 [102491.135539] irq event stamp: 220 [102491.135541] hardirqs last enabled at (219): [] _raw_spin_unlock_irqrestore+0x37/0x40 [102491.135545] hardirqs last disabled at (220): [] __schedule+0x6e9/0xb20 [102491.135548] softirqs last enabled at (0): [] copy_process+0x910/0x1e00 [102491.135552] softirqs last disabled at (0): [<0000000000000000>] 0x0 [102491.135555] ---[ end trace 562b0b01453e6614 ]--- [102494.954915] iwlwifi 0000:04:00.0: Error sending SCAN_REQ_UMAC: time out after 2000ms. [102494.954950] iwlwifi 0000:04:00.0: Current CMD queue read_ptr 93 write_ptr 94 [102494.956242] iwlwifi 0000:04:00.0: Start IWL Error Log Dump: [102494.956245] iwlwifi 0000:04:00.0: Status: 0x00000040, count: 6 [102494.956248] iwlwifi 0000:04:00.0: Loaded firmware version: 59.601f3a66.0 cc-a0-59.ucode [102494.956251] iwlwifi 0000:04:00.0: 0x00000084 | NMI_INTERRUPT_UNKNOWN [102494.956255] iwlwifi 0000:04:00.0: 0x00A022F0 | trm_hw_status0 [102494.956257] iwlwifi 0000:04:00.0: 0x00000000 | trm_hw_status1 [102494.956260] iwlwifi 0000:04:00.0: 0x004FAA36 | branchlink2 [102494.956262] iwlwifi 0000:04:00.0: 0x000145FA | interruptlink1 [102494.956265] iwlwifi 0000:04:00.0: 0x000145FA | interruptlink2 [102494.956268] iwlwifi 0000:04:00.0: 0x004F51B0 | data1 [102494.956270] iwlwifi 0000:04:00.0: 0x01000000 | data2 [102494.956272] iwlwifi 0000:04:00.0: 0x00000000 | data3 [102494.956275] iwlwifi 0000:04:00.0: 0x00000000 | beacon time [102494.956277] iwlwifi 0000:04:00.0: 0xD78321C6 | tsf low [102494.956279] iwlwifi 0000:04:00.0: 0x00000017 | tsf hi [102494.956282] iwlwifi 0000:04:00.0: 0x00000000 | time gp1 [102494.956284] iwlwifi 0000:04:00.0: 0xD783784B | time gp2 [102494.956286] iwlwifi 0000:04:00.0: 0x00000001 | uCode revision type [102494.956289] iwlwifi 0000:04:00.0: 0x0000003B | uCode version major [102494.956291] iwlwifi 0000:04:00.0: 0x601F3A66 | uCode version minor [102494.956294] iwlwifi 0000:04:00.0: 0x00000340 | hw version [102494.956296] iwlwifi 0000:04:00.0: 0x00C89000 | board version [102494.956299] iwlwifi 0000:04:00.0: 0x807DFD04 | hcmd [102494.956302] iwlwifi 0000:04:00.0: 0x00020000 | isr0 [102494.956304] iwlwifi 0000:04:00.0: 0x01000000 | isr1 [102494.956306] iwlwifi 0000:04:00.0: 0x08F04002 | isr2 [102494.956309] iwlwifi 0000:04:00.0: 0x04C3000C | isr3 [102494.956312] iwlwifi 0000:04:00.0: 0x00000000 | isr4 [102494.956315] iwlwifi 0000:04:00.0: 0x005C019C | last cmd Id [102494.956318] iwlwifi 0000:04:00.0: 0x004F51B0 | wait_event [102494.956320] iwlwifi 0000:04:00.0: 0x00004B99 | l2p_control [102494.956322] iwlwifi 0000:04:00.0: 0x00000000 | l2p_duration [102494.956325] iwlwifi 0000:04:00.0: 0x00000003 | l2p_mhvalid [102494.956327] iwlwifi 0000:04:00.0: 0x00000000 | l2p_addr_match [102494.956329] iwlwifi 0000:04:00.0: 0x0000000B | lmpm_pmg_sel [102494.956332] iwlwifi 0000:04:00.0: 0x00000000 | timestamp [102494.956334] iwlwifi 0000:04:00.0: 0x000080EC | flow_handler [102494.956380] iwlwifi 0000:04:00.0: Start IWL Error Log Dump: [102494.956382] iwlwifi 0000:04:00.0: Status: 0x00000040, count: 7 [102494.956385] iwlwifi 0000:04:00.0: 0x20000066 | NMI_INTERRUPT_HOST [102494.956387] iwlwifi 0000:04:00.0: 0x00000000 | umac branchlink1 [102494.956390] iwlwifi 0000:04:00.0: 0x804568FC | umac branchlink2 [102494.956392] iwlwifi 0000:04:00.0: 0xC0084F3C | umac interruptlink1 [102494.956395] iwlwifi 0000:04:00.0: 0x80477750 | umac interruptlink2 [102494.956397] iwlwifi 0000:04:00.0: 0x01000000 | umac data1 [102494.956399] iwlwifi 0000:04:00.0: 0x80477750 | umac data2 [102494.956401] iwlwifi 0000:04:00.0: 0x00000000 | umac data3 [102494.956404] iwlwifi 0000:04:00.0: 0x0000003B | umac major [102494.956406] iwlwifi 0000:04:00.0: 0x601F3A66 | umac minor [102494.956408] iwlwifi 0000:04:00.0: 0xD7837848 | frame pointer [102494.956411] iwlwifi 0000:04:00.0: 0xC0885F30 | stack pointer [102494.956413] iwlwifi 0000:04:00.0: 0x005D010D | last host cmd [102494.956415] iwlwifi 0000:04:00.0: 0x00000000 | isr status reg [102494.956430] iwlwifi 0000:04:00.0: IML/ROM dump: [102494.956432] iwlwifi 0000:04:00.0: 0x00000003 | IML/ROM error/state [102494.956446] iwlwifi 0000:04:00.0: 0x00005590 | IML/ROM data1 [102494.956460] iwlwifi 0000:04:00.0: 0x00000080 | IML/ROM WFPM_AUTH_KEY_0 [102494.956470] iwlwifi 0000:04:00.0: Fseq Registers: [102494.956475] iwlwifi 0000:04:00.0: 0x60000000 | FSEQ_ERROR_CODE [102494.956480] iwlwifi 0000:04:00.0: 0x80290021 | FSEQ_TOP_INIT_VERSION [102494.956486] iwlwifi 0000:04:00.0: 0x00050008 | FSEQ_CNVIO_INIT_VERSION [102494.956491] iwlwifi 0000:04:00.0: 0x0000A503 | FSEQ_OTP_VERSION [102494.956496] iwlwifi 0000:04:00.0: 0x80000003 | FSEQ_TOP_CONTENT_VERSION [102494.956502] iwlwifi 0000:04:00.0: 0x4552414E | FSEQ_ALIVE_TOKEN [102494.956507] iwlwifi 0000:04:00.0: 0x00100530 | FSEQ_CNVI_ID [102494.956512] iwlwifi 0000:04:00.0: 0x00000532 | FSEQ_CNVR_ID [102494.956518] iwlwifi 0000:04:00.0: 0x00100530 | CNVI_AUX_MISC_CHIP [102494.956525] iwlwifi 0000:04:00.0: 0x00000532 | CNVR_AUX_MISC_CHIP [102494.956532] iwlwifi 0000:04:00.0: 0x05B0905B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM [102494.956540] iwlwifi 0000:04:00.0: 0x0000025B | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR [102494.956762] iwlwifi 0000:04:00.0: WRT: Collecting data: ini trigger 4 fired. [102494.956789] ieee80211 phy0: Hardware restart was requested [102494.956816] iwlwifi 0000:04:00.0: Scan failed! ret -110 [102494.956925] ------------[ cut here ]------------ [102494.956928] WARNING: CPU: 30 PID: 930660 at net/mac80211/scan.c:411 __ieee80211_scan_completed+0x2bb/0x520 [mac80211] [102494.956962] Modules linked in: snd_seq_dummy snd_hrtimer nls_utf8 isofs uas usb_storage tun uinput rfcomm netconsole nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink cmac bnep zstd sunrpc vfat fat hid_logitech_hidpp hid_logitech_dj intel_rapl_msr intel_rapl_common uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_realtek videobuf2_common mt76x2u mt76x2_common snd_hda_codec_generic mt76x02_usb iwlmvm videodev edac_mce_amd snd_usb_audio ledtrig_audio snd_hda_codec_hdmi mt76_usb mt76x02_lib snd_usbmidi_lib kvm_amd snd_hda_intel mt76 snd_rawmidi snd_intel_dspcfg mc joydev snd_intel_sdw_acpi mac80211 kvm snd_hda_codec snd_hda_core iwlwifi btusb snd_hwdep btrtl snd_seq btbcm btintel eeepc_wmi asus_wmi snd_seq_device irqbypass xpad sparse_keymap bluetooth libarc4 [102494.957007] rapl snd_pcm video ff_memless wmi_bmof ecdh_generic ecc cfg80211 pcspkr snd_timer k10temp snd sp5100_tco i2c_piix4 soundcore rfkill acpi_cpufreq binfmt_misc ip_tables amdgpu drm_ttm_helper ttm iommu_v2 gpu_sched drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec igb drm nvme ghash_clmulni_intel dca ccp nvme_core i2c_algo_bit wmi pinctrl_amd fuse [102494.957036] CPU: 30 PID: 930660 Comm: kworker/u64:2 Tainted: G D W --------- --- 5.12.0-0.rc2.20210310git05a59d79793d.168.fc35.x86_64 #1 [102494.957039] Hardware name: System manufacturer System Product Name/ROG STRIX X570-I GAMING, BIOS 3402 01/13/2021 [102494.957042] Workqueue: phy0 ieee80211_scan_work [mac80211] [102494.957073] RIP: 0010:__ieee80211_scan_completed+0x2bb/0x520 [mac80211] [102494.957826] Code: ca 0f 82 7d 01 00 00 48 89 ef e8 80 2f 00 00 e9 72 fe ff ff 0f 0b 48 83 bd d8 1c 00 00 00 41 be 01 00 00 00 0f 85 9e fd ff ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 8b 85 a0 1c 00 00 e9 69 [102494.957830] RSP: 0018:ffffac4495033db0 EFLAGS: 00010246 [102494.957834] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [102494.957836] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8adc770f8e00 [102494.957839] RBP: ffff8adc770f8e00 R08: 0000000000000001 R09: ffffffffc1395e40 [102494.957842] R10: ffffac4495033de8 R11: 0000000000000000 R12: 0000000000000001 [102494.957844] R13: 0000000000000000 R14: 0000000000000001 R15: ffff8adc770f8e00 [102494.957847] FS: 0000000000000000(0000) GS:ffff8ae34a600000(0000) knlGS:0000000000000000 [102494.957850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [102494.957853] CR2: 00003de20ab47000 CR3: 00000001346e0000 CR4: 0000000000350ee0 [102494.957856] Call Trace: [102494.957862] ieee80211_scan_work+0x15c/0x860 [mac80211] [102494.957893] ? debug_object_deactivate+0x55/0x140 [102494.957899] ? lock_release+0x1ef/0x410 [102494.957913] ? lock_release+0x1ef/0x410 [102494.957917] process_one_work+0x2b0/0x5e0 [102494.957923] worker_thread+0x55/0x3c0 [102494.957926] ? process_one_work+0x5e0/0x5e0 [102494.957930] kthread+0x13a/0x150 [102494.957934] ? __kthread_bind_mask+0x60/0x60 [102494.957939] ret_from_fork+0x22/0x30 [102494.957945] irq event stamp: 0 [102494.957948] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [102494.957951] hardirqs last disabled at (0): [] copy_process+0x910/0x1e00 [102494.957956] softirqs last enabled at (0): [] copy_process+0x910/0x1e00 [102494.957959] softirqs last disabled at (0): [<0000000000000000>] 0x0 [102494.957962] ---[ end trace 562b0b01453e6615 ]--- Full kernel log is here: https://pastebin.com/A7dwr8ZV -- Best Regards, Mike Gavrilov.