On Sun, 2023-01-22 at 17:48 +0000, Vincent Donnefort wrote: > Hi all, > > Recently, the network card on my laptop (AX201) started to lose the wifi 3 or 4 > times a day. When it happens, the only way I have to reconnect is to restart my > network manager. > > I found in dmesg the following: > > iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0. > iwlwifi 0000:00:14.3: Start IWL Error Log Dump: > iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 6 > iwlwifi 0000:00:14.3: Loaded firmware version: 71.058653f6.0 QuZ-a0-hr-b0-71.ucode > iwlwifi 0000:00:14.3: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL > iwlwifi 0000:00:14.3: 0x0000A200 | trm_hw_status0 > iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1 > iwlwifi 0000:00:14.3: 0x004CBE06 | branchlink2 > iwlwifi 0000:00:14.3: 0x0001AB16 | interruptlink1 > iwlwifi 0000:00:14.3: 0x0001AB16 | interruptlink2 > iwlwifi 0000:00:14.3: 0x004C3E98 | data1 > iwlwifi 0000:00:14.3: 0x00001000 | data2 > iwlwifi 0000:00:14.3: 0x00000000 | data3 > iwlwifi 0000:00:14.3: 0x96800FF7 | beacon time > iwlwifi 0000:00:14.3: 0x424B6011 | tsf low > iwlwifi 0000:00:14.3: 0x000001FB | tsf hi > iwlwifi 0000:00:14.3: 0x00000000 | time gp1 > iwlwifi 0000:00:14.3: 0xACE77E1C | time gp2 > iwlwifi 0000:00:14.3: 0x00000001 | uCode revision type > iwlwifi 0000:00:14.3: 0x00000047 | uCode version major > iwlwifi 0000:00:14.3: 0x058653F6 | uCode version minor > iwlwifi 0000:00:14.3: 0x00000351 | hw version > iwlwifi 0000:00:14.3: 0x00489001 | board version > iwlwifi 0000:00:14.3: 0x8008FC03 | hcmd > iwlwifi 0000:00:14.3: 0x24020000 | isr0 > iwlwifi 0000:00:14.3: 0x01000000 | isr1 > iwlwifi 0000:00:14.3: 0x08F04002 | isr2 > iwlwifi 0000:00:14.3: 0x04C3200C | isr3 > iwlwifi 0000:00:14.3: 0x00000000 | isr4 > iwlwifi 0000:00:14.3: 0x04B1001C | last cmd Id > iwlwifi 0000:00:14.3: 0x004C3E98 | wait_event > iwlwifi 0000:00:14.3: 0x000002C8 | l2p_control > iwlwifi 0000:00:14.3: 0x00018014 | l2p_duration > iwlwifi 0000:00:14.3: 0x000000BF | l2p_mhvalid > iwlwifi 0000:00:14.3: 0x000000EF | l2p_addr_match > iwlwifi 0000:00:14.3: 0x00000008 | lmpm_pmg_sel > iwlwifi 0000:00:14.3: 0x00000000 | timestamp > iwlwifi 0000:00:14.3: 0x0000D0A0 | flow_handler > iwlwifi 0000:00:14.3: Start IWL Error Log Dump: > iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 7 > iwlwifi 0000:00:14.3: 0x20003463 | ADVANCED_SYSASSERT > iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1 > iwlwifi 0000:00:14.3: 0x80455B7C | umac branchlink2 > iwlwifi 0000:00:14.3: 0xC0081200 | umac interruptlink1 > iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink2 > iwlwifi 0000:00:14.3: 0x424B6003 | umac data1 > iwlwifi 0000:00:14.3: 0xACE77E0D | umac data2 > iwlwifi 0000:00:14.3: 0x96653FD6 | umac data3 > iwlwifi 0000:00:14.3: 0x00000047 | umac major > iwlwifi 0000:00:14.3: 0x058653F6 | umac minor > iwlwifi 0000:00:14.3: 0xACE77E16 | frame pointer > iwlwifi 0000:00:14.3: 0xC0885E00 | stack pointer > iwlwifi 0000:00:14.3: 0x0023010C | last host cmd > iwlwifi 0000:00:14.3: 0x00000000 | isr status reg > iwlwifi 0000:00:14.3: IML/ROM dump: > iwlwifi 0000:00:14.3: 0x00000003 | IML/ROM error/state > iwlwifi 0000:00:14.3: 0x00005710 | IML/ROM data1 > iwlwifi 0000:00:14.3: 0x00000080 | IML/ROM WFPM_AUTH_KEY_0 > iwlwifi 0000:00:14.3: Fseq Registers: > iwlwifi 0000:00:14.3: 0x60000000 | FSEQ_ERROR_CODE > iwlwifi 0000:00:14.3: 0x80290033 | FSEQ_TOP_INIT_VERSION > iwlwifi 0000:00:14.3: 0x00090006 | FSEQ_CNVIO_INIT_VERSION > iwlwifi 0000:00:14.3: 0x0000A482 | FSEQ_OTP_VERSION > iwlwifi 0000:00:14.3: 0x00000003 | FSEQ_TOP_CONTENT_VERSION > iwlwifi 0000:00:14.3: 0x4552414E | FSEQ_ALIVE_TOKEN > iwlwifi 0000:00:14.3: 0x20000302 | FSEQ_CNVI_ID > iwlwifi 0000:00:14.3: 0x01300504 | FSEQ_CNVR_ID > iwlwifi 0000:00:14.3: 0x20000302 | CNVI_AUX_MISC_CHIP > iwlwifi 0000:00:14.3: 0x01300504 | CNVR_AUX_MISC_CHIP > iwlwifi 0000:00:14.3: 0x05B0905B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM > iwlwifi 0000:00:14.3: 0x0000025B | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR > iwlwifi 0000:00:14.3: WRT: Collecting data: ini trigger 4 fired (delay=0ms). > ieee80211 phy0: Hardware restart was requested > > This seems to only happen when I'm connected to a 802.11e capable router and > after my firmware has been upgraded from 20210818-1 to 20221012-1. > > Is that a known issue? > It's not a known issue. The firmware crash is related to 802.11ax Target Wake Time (TWT) feature. Since it's a a firmware crash, I'd like to ask to collect some debug information, so we'd be able to understand what caused it. In [1] we have directions how to do it. If you you can collect trace-cmd and firmware dump will be great, but if you can also collect an air-sniffer it'll really help to get to the root cause. Thanks! [1] https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/debugging
