Same problem on 19.10 and kernel 5.3.0-51-generic. It worked until the last kernel upgrade I did yesterday...
demsg output: [ 2561.077694] ieee80211 phy0: Hardware restart was requested [ 2562.025423] iwlwifi 0000:0a:00.0: Applying debug destination EXTERNAL_DRAM [ 2562.140082] iwlwifi 0000:0a:00.0: Applying debug destination EXTERNAL_DRAM [ 2562.204742] iwlwifi 0000:0a:00.0: FW already configured (0) - re-configuring [ 2568.784674] iwlwifi 0000:0a:00.0: Microcode SW error detected. Restarting 0x0. [ 2568.784789] iwlwifi 0000:0a:00.0: Start IWL Error Log Dump: [ 2568.784791] iwlwifi 0000:0a:00.0: Status: 0x00000080, count: 6 [ 2568.784793] iwlwifi 0000:0a:00.0: Loaded firmware version: 46.6bf1df06.0 [ 2568.784795] iwlwifi 0000:0a:00.0: 0x00004435 | ADVANCED_SYSASSERT [ 2568.784796] iwlwifi 0000:0a:00.0: 0x008026F4 | trm_hw_status0 [ 2568.784798] iwlwifi 0000:0a:00.0: 0x00000000 | trm_hw_status1 [ 2568.784799] iwlwifi 0000:0a:00.0: 0x0048853E | branchlink2 [ 2568.784800] iwlwifi 0000:0a:00.0: 0x00479392 | interruptlink1 [ 2568.784802] iwlwifi 0000:0a:00.0: 0x00000000 | interruptlink2 [ 2568.784803] iwlwifi 0000:0a:00.0: 0x00008097 | data1 [ 2568.784804] iwlwifi 0000:0a:00.0: 0xDEADBEEF | data2 [ 2568.784805] iwlwifi 0000:0a:00.0: 0xDEADBEEF | data3 [ 2568.784806] iwlwifi 0000:0a:00.0: 0x10401C93 | beacon time [ 2568.784808] iwlwifi 0000:0a:00.0: 0xDF564B74 | tsf low [ 2568.784809] iwlwifi 0000:0a:00.0: 0x0000002F | tsf hi [ 2568.784810] iwlwifi 0000:0a:00.0: 0x00000000 | time gp1 [ 2568.784811] iwlwifi 0000:0a:00.0: 0x0064C9EE | time gp2 [ 2568.784813] iwlwifi 0000:0a:00.0: 0x00000001 | uCode revision type [ 2568.784814] iwlwifi 0000:0a:00.0: 0x0000002E | uCode version major [ 2568.784815] iwlwifi 0000:0a:00.0: 0x6BF1DF06 | uCode version minor [ 2568.784817] iwlwifi 0000:0a:00.0: 0x00000321 | hw version [ 2568.784818] iwlwifi 0000:0a:00.0: 0x00C89004 | board version [ 2568.784819] iwlwifi 0000:0a:00.0: 0x0BE4001C | hcmd [ 2568.784820] iwlwifi 0000:0a:00.0: 0x80022002 | isr0 [ 2568.784822] iwlwifi 0000:0a:00.0: 0x00000000 | isr1 [ 2568.784823] iwlwifi 0000:0a:00.0: 0x08001802 | isr2 [ 2568.784824] iwlwifi 0000:0a:00.0: 0x404174C4 | isr3 [ 2568.784825] iwlwifi 0000:0a:00.0: 0x00000000 | isr4 [ 2568.784826] iwlwifi 0000:0a:00.0: 0x8187009D | last cmd Id [ 2568.784828] iwlwifi 0000:0a:00.0: 0x0001ACA2 | wait_event [ 2568.784829] iwlwifi 0000:0a:00.0: 0x00000094 | l2p_control [ 2568.784830] iwlwifi 0000:0a:00.0: 0x00002020 | l2p_duration [ 2568.784831] iwlwifi 0000:0a:00.0: 0x0000000F | l2p_mhvalid [ 2568.784833] iwlwifi 0000:0a:00.0: 0x00000004 | l2p_addr_match [ 2568.784834] iwlwifi 0000:0a:00.0: 0x0000000D | lmpm_pmg_sel [ 2568.784835] iwlwifi 0000:0a:00.0: 0x08081424 | timestamp [ 2568.784836] iwlwifi 0000:0a:00.0: 0x0000B81C | flow_handler [ 2568.784904] iwlwifi 0000:0a:00.0: Start IWL Error Log Dump: [ 2568.784905] iwlwifi 0000:0a:00.0: Status: 0x00000080, count: 7 [ 2568.784906] iwlwifi 0000:0a:00.0: 0x20000070 | NMI_INTERRUPT_LMAC_FATAL [ 2568.784908] iwlwifi 0000:0a:00.0: 0x00000000 | umac branchlink1 [ 2568.784909] iwlwifi 0000:0a:00.0: 0xC008888E | umac branchlink2 [ 2568.784910] iwlwifi 0000:0a:00.0: 0xC0084414 | umac interruptlink1 [ 2568.784912] iwlwifi 0000:0a:00.0: 0xC0084414 | umac interruptlink2 [ 2568.784913] iwlwifi 0000:0a:00.0: 0x00000800 | umac data1 [ 2568.784914] iwlwifi 0000:0a:00.0: 0xC0084414 | umac data2 [ 2568.784915] iwlwifi 0000:0a:00.0: 0xDEADBEEF | umac data3 [ 2568.784917] iwlwifi 0000:0a:00.0: 0x0000002E | umac major [ 2568.784918] iwlwifi 0000:0a:00.0: 0x6BF1DF06 | umac minor [ 2568.784919] iwlwifi 0000:0a:00.0: 0x0064CA0C | frame pointer [ 2568.784920] iwlwifi 0000:0a:00.0: 0xC088627C | stack pointer [ 2568.784922] iwlwifi 0000:0a:00.0: 0x00610400 | last host cmd [ 2568.784923] iwlwifi 0000:0a:00.0: 0x00000000 | isr status reg [ 2568.784953] iwlwifi 0000:0a:00.0: Fseq Registers: [ 2568.784958] iwlwifi 0000:0a:00.0: 0xC9CE5598 | FSEQ_ERROR_CODE [ 2568.784962] iwlwifi 0000:0a:00.0: 0x00000000 | FSEQ_TOP_INIT_VERSION [ 2568.784966] iwlwifi 0000:0a:00.0: 0x0056D418 | FSEQ_CNVIO_INIT_VERSION [ 2568.784971] iwlwifi 0000:0a:00.0: 0x0000A371 | FSEQ_OTP_VERSION [ 2568.784975] iwlwifi 0000:0a:00.0: 0xA04A0C30 | FSEQ_TOP_CONTENT_VERSION [ 2568.784979] iwlwifi 0000:0a:00.0: 0xEA2A0D11 | FSEQ_ALIVE_TOKEN [ 2568.784983] iwlwifi 0000:0a:00.0: 0xC5282000 | FSEQ_CNVI_ID [ 2568.784988] iwlwifi 0000:0a:00.0: 0x7FB143FC | FSEQ_CNVR_ID [ 2568.784992] iwlwifi 0000:0a:00.0: 0x01000200 | CNVI_AUX_MISC_CHIP [ 2568.784998] iwlwifi 0000:0a:00.0: 0x01300202 | CNVR_AUX_MISC_CHIP [ 2568.785005] iwlwifi 0000:0a:00.0: 0x0000485B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM [ 2568.785061] iwlwifi 0000:0a:00.0: 0x0BADCAFE | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR [ 2568.785067] iwlwifi 0000:0a:00.0: Collecting data: trigger 2 fired. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1848921 Title: iwlwifi firmware crashes intel 9260ac [8086:2526] subsystem [8086:0010] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1848921/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
