When my wifi card has issues after long usage, I re-init wifi driver like "modprobe -r iwlwifi ; modprobe iwlwifi", and it may save some troubles rebooting.
I don't have Intel wifi but this works on my Qualcomm Atheros QCA6174 (which uses ath10k_pci). You may also clear the logs in /var/log/ directory. There are also discussion about limiting log size (i.e. https://serverfault.com/questions/546072/how-to-avoid-log-files-growing- too-big) -- 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/1881675 Title: Intel Wireless 8260 [8086:24f3] Subsystem [8086:0010] iwlwifi Microcode SW Error ubuntu 20.04 Status in linux package in Ubuntu: Confirmed Bug description: Sometimes, this bug happens and keep logging as long as I do not not shut down the computer. Internet becomes irresponsive, and the whole computer is slowed. It will keep logging until saturating the hard drive. I had to format the hard drive and reinstall to be able to use the computer again once. Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846676] iwlwifi 0000:02:00.0: Microcode SW error detected. Restarting 0x2000000. Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846823] iwlwifi 0000:02:00.0: Start IWL Error Log Dump: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846829] iwlwifi 0000:02:00.0: Status: 0x00000040, count: 6 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846833] iwlwifi 0000:02:00.0: Loaded firmware version: 36.77d01142.0 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846838] iwlwifi 0000:02:00.0: 0x00000039 | BAD_COMMAND Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846842] iwlwifi 0000:02:00.0: 0x00000230 | trm_hw_status0 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846845] iwlwifi 0000:02:00.0: 0x00000000 | trm_hw_status1 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846849] iwlwifi 0000:02:00.0: 0x00024200 | branchlink2 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846853] iwlwifi 0000:02:00.0: 0x00039872 | interruptlink1 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846856] iwlwifi 0000:02:00.0: 0x00000000 | interruptlink2 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846860] iwlwifi 0000:02:00.0: 0x00000002 | data1 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846863] iwlwifi 0000:02:00.0: 0xDEADBEEF | data2 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846867] iwlwifi 0000:02:00.0: 0xDEADBEEF | data3 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846870] iwlwifi 0000:02:00.0: 0x2D004C01 | beacon time Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846874] iwlwifi 0000:02:00.0: 0x39E4BA08 | tsf low Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846877] iwlwifi 0000:02:00.0: 0x00000046 | tsf hi Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846880] iwlwifi 0000:02:00.0: 0x00000000 | time gp1 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846884] iwlwifi 0000:02:00.0: 0xE24C9E94 | time gp2 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846887] iwlwifi 0000:02:00.0: 0x00000001 | uCode revision type Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846891] iwlwifi 0000:02:00.0: 0x00000024 | uCode version major Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846894] iwlwifi 0000:02:00.0: 0x77D01142 | uCode version minor Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846898] iwlwifi 0000:02:00.0: 0x00000201 | hw version Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846901] iwlwifi 0000:02:00.0: 0x00489008 | board version Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846905] iwlwifi 0000:02:00.0: 0x000D0304 | hcmd Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846908] iwlwifi 0000:02:00.0: 0x24022080 | isr0 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846912] iwlwifi 0000:02:00.0: 0x00000000 | isr1 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846915] iwlwifi 0000:02:00.0: 0x0820180A | isr2 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846919] iwlwifi 0000:02:00.0: 0x004154C0 | isr3 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846922] iwlwifi 0000:02:00.0: 0x00000000 | isr4 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846926] iwlwifi 0000:02:00.0: 0x9B5E009D | last cmd Id Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846929] iwlwifi 0000:02:00.0: 0x00000000 | wait_event Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846933] iwlwifi 0000:02:00.0: 0x00000080 | l2p_control Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846936] iwlwifi 0000:02:00.0: 0x00010030 | l2p_duration Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846940] iwlwifi 0000:02:00.0: 0x0000003F | l2p_mhvalid Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846943] iwlwifi 0000:02:00.0: 0x00000080 | l2p_addr_match Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846946] iwlwifi 0000:02:00.0: 0x0000000D | lmpm_pmg_sel Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846950] iwlwifi 0000:02:00.0: 0x08081421 | timestamp Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.846953] iwlwifi 0000:02:00.0: 0x00003848 | flow_handler Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847013] iwlwifi 0000:02:00.0: Start IWL Error Log Dump: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847016] iwlwifi 0000:02:00.0: Status: 0x00000040, count: 7 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847020] iwlwifi 0000:02:00.0: 0x00000070 | NMI_INTERRUPT_LMAC_FATAL Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847024] iwlwifi 0000:02:00.0: 0x00000000 | umac branchlink1 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847028] iwlwifi 0000:02:00.0: 0xC0086B38 | umac branchlink2 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847031] iwlwifi 0000:02:00.0: 0xC0083D08 | umac interruptlink1 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847034] iwlwifi 0000:02:00.0: 0xC0083D08 | umac interruptlink2 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847038] iwlwifi 0000:02:00.0: 0x00000800 | umac data1 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847041] iwlwifi 0000:02:00.0: 0xC0083D08 | umac data2 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847044] iwlwifi 0000:02:00.0: 0xDEADBEEF | umac data3 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847048] iwlwifi 0000:02:00.0: 0x00000024 | umac major Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847051] iwlwifi 0000:02:00.0: 0x77D01142 | umac minor Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847055] iwlwifi 0000:02:00.0: 0xC088628C | frame pointer Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847058] iwlwifi 0000:02:00.0: 0xC088628C | stack pointer Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847062] iwlwifi 0000:02:00.0: 0x000D0304 | last host cmd Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847065] iwlwifi 0000:02:00.0: 0x00000000 | isr status reg Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847080] iwlwifi 0000:02:00.0: Fseq Registers: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847088] iwlwifi 0000:02:00.0: 0x57658599 | FSEQ_ERROR_CODE Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847095] iwlwifi 0000:02:00.0: 0xC1CEBCA1 | FSEQ_TOP_INIT_VERSION Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847103] iwlwifi 0000:02:00.0: 0xCE7C221E | FSEQ_CNVIO_INIT_VERSION Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847111] iwlwifi 0000:02:00.0: 0x0000A056 | FSEQ_OTP_VERSION Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847118] iwlwifi 0000:02:00.0: 0x66C21FD2 | FSEQ_TOP_CONTENT_VERSION Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847126] iwlwifi 0000:02:00.0: 0x672113FA | FSEQ_ALIVE_TOKEN Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847133] iwlwifi 0000:02:00.0: 0x2325C2C2 | FSEQ_CNVI_ID Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847141] iwlwifi 0000:02:00.0: 0x97FD103C | FSEQ_CNVR_ID Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847148] iwlwifi 0000:02:00.0: 0x03000000 | CNVI_AUX_MISC_CHIP Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847159] iwlwifi 0000:02:00.0: 0x0BADCAFE | CNVR_AUX_MISC_CHIP Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847170] iwlwifi 0000:02:00.0: 0x0BADCAFE | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847180] iwlwifi 0000:02:00.0: 0x0BADCAFE | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847189] iwlwifi 0000:02:00.0: Collecting data: trigger 2 fired. Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847199] ieee80211 phy0: Hardware restart was requested Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847255] iwlwifi 0000:02:00.0: iwlwifi transaction failed, dumping registers Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847263] iwlwifi 0000:02:00.0: iwlwifi device config registers: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847538] iwlwifi 0000:02:00.0: 00000000: 24f38086 00100406 0280003a 00000010 a1100004 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847545] iwlwifi 0000:02:00.0: 00000020: 00000000 00000000 00000000 00108086 00000000 000000c8 00000000 0000010a Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847551] iwlwifi 0000:02:00.0: 00000040: 00020010 10008ec0 001a0c10 0045e811 10110140 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847556] iwlwifi 0000:02:00.0: 00000060: 00000000 00080812 00000405 00000000 00010001 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847561] iwlwifi 0000:02:00.0: 00000080: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847566] iwlwifi 0000:02:00.0: 000000a0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847572] iwlwifi 0000:02:00.0: 000000c0: 00000000 00000000 c823d001 0d000000 00814005 fee08004 00000000 00004023 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847577] iwlwifi 0000:02:00.0: 000000e0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847582] iwlwifi 0000:02:00.0: 00000100: 14010001 00000000 00000000 00462031 00000000 00002000 00000014 40000001 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847587] iwlwifi 0000:02:00.0: 00000120: 0000000f a1128e7c 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847593] iwlwifi 0000:02:00.0: 00000140: 14c10003 fffb2ca0 50eb71ff 15410018 10031003 0001001e 00481e1f 40500000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847598] iwlwifi 0000:02:00.0: iwlwifi device memory mapped registers: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847646] iwlwifi 0000:02:00.0: 00000000: 00489008 00000040 00000000 ba00008b 00000000 00000000 00000019 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847652] iwlwifi 0000:02:00.0: 00000020: 00000000 08040005 00000201 d55555d5 d55555d5 d55555d5 80008040 041f0044 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847662] iwlwifi 0000:02:00.0: iwlwifi device AER capability structure: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847691] iwlwifi 0000:02:00.0: 00000000: 14010001 00000000 00000000 00462031 00000000 00002000 00000014 40000001 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847695] iwlwifi 0000:02:00.0: 00000020: 0000000f a1128e7c 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847699] iwlwifi 0000:02:00.0: iwlwifi parent port (0000:00:1c.5) config registers: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847848] iwlwifi 0000:00:1c.5: 00000000: a33d8086 00100407 060400f0 00810010 00000000 00000000 00020200 200000f0 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847854] iwlwifi 0000:00:1c.5: 00000020: a110a110 0001fff1 00000000 00000000 00000000 00000040 00000000 001202ff Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847860] iwlwifi 0000:00:1c.5: 00000040: 01428010 00008001 00100000 06724013 70110040 004cb200 01400000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847865] iwlwifi 0000:00:1c.5: 00000060: 00000000 00000837 00000400 0000000e 00010003 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847870] iwlwifi 0000:00:1c.5: 00000080: 00019005 fee08004 00004021 00000000 0000a00d 7b511462 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847876] iwlwifi 0000:00:1c.5: 000000a0: c8030001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847881] iwlwifi 0000:00:1c.5: 000000c0: 00000000 00000000 00000000 00000000 07001001 00021842 8b9e0008 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847887] iwlwifi 0000:00:1c.5: 000000e0: 00e30300 8c548c54 00100016 00000000 00000150 4c000000 01120fb5 82000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847892] iwlwifi 0000:00:1c.5: 00000100: 14010001 00000000 00010000 00060011 00000000 00002000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847897] iwlwifi 0000:00:1c.5: 00000120: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847902] iwlwifi 0000:00:1c.5: 00000140: 1501000d 0000000f 00000000 00000000 2201001f 00000406 00000003 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847907] iwlwifi 0000:00:1c.5: 00000160: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847913] iwlwifi 0000:00:1c.5: 00000180: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847918] iwlwifi 0000:00:1c.5: 000001a0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847923] iwlwifi 0000:00:1c.5: 000001c0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847928] iwlwifi 0000:00:1c.5: 000001e0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847931] iwlwifi 0000:00:1c.5: 00000200: 00000000 00b02800 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847940] iwlwifi 0000:02:00.0: iwlwifi root port (0000:00:1c.5) AER cap structure: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847955] iwlwifi 0000:00:1c.5: 00000000: 14010001 00000000 00010000 00060011 00000000 00002000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847959] iwlwifi 0000:00:1c.5: 00000020: 00000000 00000000 00000000 00000000 00000000 00000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847965] iwlwifi 0000:02:00.0: FW error in SYNC CMD CHANNEL_SWITCH_TIME_EVENT_CMD Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847972] CPU: 1 PID: 14862 Comm: kworker/1:3 Tainted: G OE 5.4.0-33-generic #37-Ubuntu Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847974] Hardware name: Micro-Star International Co., Ltd. MS-7B51/MPG Z390 GAMING PLUS (MS-7B51), BIOS 1.60 03/27/2019 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.847998] Workqueue: events iwl_mvm_channel_switch_disconnect_wk [iwlmvm] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848001] Call Trace: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848014] dump_stack+0x6d/0x9a Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848037] iwl_pcie_send_hcmd_sync+0x382/0x390 [iwlwifi] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848044] ? wait_woken+0x80/0x80 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848064] iwl_trans_pcie_send_hcmd+0x34/0xf0 [iwlwifi] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848070] ? __switch_to_asm+0x34/0x70 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848092] iwl_trans_send_cmd+0x55/0xc0 [iwlwifi] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848113] iwl_mvm_send_cmd+0x1f/0x40 [iwlmvm] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848135] iwl_mvm_send_cmd_pdu+0x51/0x70 [iwlmvm] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848151] iwl_mvm_abort_channel_switch+0xa8/0xf0 [iwlmvm] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848166] iwl_mvm_channel_switch_disconnect_wk+0x25/0x40 [iwlmvm] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848172] process_one_work+0x1eb/0x3b0 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848178] worker_thread+0x4d/0x400 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848183] kthread+0x104/0x140 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848187] ? process_one_work+0x3b0/0x3b0 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848190] ? kthread_park+0x90/0x90 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848196] ret_from_fork+0x1f/0x40 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848246] ------------[ cut here ]------------ Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848264] WARNING: CPU: 1 PID: 14862 at drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c:1374 iwl_mvm_abort_channel_switch+0xe0/0xf0 [iwlmvm] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848266] Modules linked in: input_leds hidp ccm rfcomm cmac algif_hash algif_skcipher af_alg bnep cdc_mbim cdc_wdm snd_usb_audio cdc_ncm snd_usbmidi_lib usbnet mc mii joydev snd_hda_codec_hdmi hid_generic snd_hda_codec_realtek snd_hda_codec_generic usbhid hid btusb btrtl btbcm btintel bluetooth ecdh_generic ecc nls_iso8859_1 intel_rapl_msr mei_hdcp intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp snd_sof_pci snd_sof_intel_hda_common kvm_intel snd_soc_hdac_hda snd_sof_intel_hda kvm snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi ledtrig_audio snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm iwlmvm snd_seq_midi snd_seq_midi_event mac80211 crct10dif_pclmul snd_rawmidi ghash_clmulni_intel libarc4 snd_seq i915 aesni_intel snd_seq_device iwlwifi crypto_simd cryptd snd_timer glue_helper snd intel_cstate mei_me intel_rapl_perf Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848322] mxm_wmi cfg80211 wmi_bmof i2c_algo_bit ie31200_edac mei soundcore intel_pch_thermal acpi_pad mac_hid acpi_tad sch_fq_codel evdi(OE) drm_kms_helper fb_sys_fops syscopyarea sysfillrect sysimgblt parport_pc ppdev lp parport drm ip_tables x_tables autofs4 crc32_pclmul e1000e ahci i2c_i801 libahci wmi video Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848351] CPU: 1 PID: 14862 Comm: kworker/1:3 Tainted: G OE 5.4.0-33-generic #37-Ubuntu Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848353] Hardware name: Micro-Star International Co., Ltd. MS-7B51/MPG Z390 GAMING PLUS (MS-7B51), BIOS 1.60 03/27/2019 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848370] Workqueue: events iwl_mvm_channel_switch_disconnect_wk [iwlmvm] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848386] RIP: 0010:iwl_mvm_abort_channel_switch+0xe0/0xf0 [iwlmvm] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848391] Code: ee 4c 89 f7 e8 11 fe ff ff 85 c0 75 21 48 8b 45 d8 65 48 33 04 25 28 00 00 00 75 16 48 83 c4 18 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb c8 0f 0b eb db e8 a3 22 af f2 0f 1f 00 0f 1f 44 00 00 55 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848393] RSP: 0018:ffffa80583ebfe10 EFLAGS: 00010282 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848397] RAX: 00000000fffffffb RBX: ffff921ad6d938f0 RCX: 0000000000000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848401] RBP: ffffa80583ebfe48 R08: ffffa80583ebff48 R09: 0000000000000004 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848403] R10: 0000000000000000 R11: 0000000000000001 R12: ffff921ad9539e78 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848405] R13: ffff921ad6d93450 R14: ffff921ad95387a0 R15: ffff921ad9539e48 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848408] FS: 0000000000000000(0000) GS:ffff921adda40000(0000) knlGS:0000000000000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848413] CR2: 00007fed632f7000 CR3: 00000002bfe0a006 CR4: 00000000003606e0 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848419] Call Trace: Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848436] iwl_mvm_channel_switch_disconnect_wk+0x25/0x40 [iwlmvm] Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848442] process_one_work+0x1eb/0x3b0 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848447] worker_thread+0x4d/0x400 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848451] kthread+0x104/0x140 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848456] ? process_one_work+0x3b0/0x3b0 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848459] ? kthread_park+0x90/0x90 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848465] ret_from_fork+0x1f/0x40 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848470] ---[ end trace 8ef0cb15088815d8 ]--- Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848486] iwlwifi 0000:02:00.0: Failed to send ADD_STA command (-5) Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848494] iwlwifi 0000:02:00.0: Failed to send MAC context (action:2): -5 Jun 1 16:58:36 maxime-lx-home kernel: [ 3799.848526] ------------[ cut here ]------------ ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-33-generic 5.4.0-33.37 ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34 Uname: Linux 5.4.0-33-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: maxime 1180 F.... pulseaudio /dev/snd/controlC1: maxime 1180 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Mon Jun 1 17:28:50 2020 InstallationDate: Installed on 2020-05-17 (15 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) MachineType: Micro-Star International Co., Ltd. MS-7B51 ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-33-generic root=UUID=4f0963ad-b408-4d3d-a96e-608135fba298 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.4.0-33-generic N/A linux-backports-modules-5.4.0-33-generic N/A linux-firmware 1.187 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/27/2019 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1.60 dmi.board.asset.tag: Default string dmi.board.name: MPG Z390 GAMING PLUS (MS-7B51) dmi.board.vendor: Micro-Star International Co., Ltd. dmi.board.version: 1.0 dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Micro-Star International Co., Ltd. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.60:bd03/27/2019:svnMicro-StarInternationalCo.,Ltd.:pnMS-7B51:pvr1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMPGZ390GAMINGPLUS(MS-7B51):rvr1.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr1.0: dmi.product.family: Default string dmi.product.name: MS-7B51 dmi.product.sku: Default string dmi.product.version: 1.0 dmi.sys.vendor: Micro-Star International Co., Ltd. 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