我的硬件需要 iwlwifi 非自由固件才能工作 wifi。然而，使用最新的内核版本时，它无法加载它。最后的工作版本是 4.9.0-7，而 4.9.0-8 则无法工作。这是内核中的错误还是我遗漏了什么？
编辑：4.9.0-8 内核在 kern.log 中有以下内容，而 7 内核则没有：
[ 5.488703] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000.
[ 5.488707] iwlwifi 0000:01:00.0: CSR values:
[ 5.488709] iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
[ 5.488752] iwlwifi 0000:01:00.0: CSR_HW_IF_CONFIG_REG: 0X00489000
[ 5.488805] iwlwifi 0000:01:00.0: CSR_INT_COALESCING: 0X0000ff40
[ 5.488858] iwlwifi 0000:01:00.0: CSR_INT: 0X80000000
[ 5.488911] iwlwifi 0000:01:00.0: CSR_INT_MASK: 0X00000000
[ 5.488965] iwlwifi 0000:01:00.0: CSR_FH_INT_STATUS: 0X00010000
[ 5.489018] iwlwifi 0000:01:00.0: CSR_GPIO_IN: 0X00000010
[ 5.489071] iwlwifi 0000:01:00.0: CSR_RESET: 0X00000000
[ 5.489121] iwlwifi 0000:01:00.0: CSR_GP_CNTRL: 0X08040005
[ 5.489174] iwlwifi 0000:01:00.0: CSR_HW_REV: 0X00000230
[ 5.489227] iwlwifi 0000:01:00.0: CSR_EEPROM_REG: 0Xd55555d5
[ 5.489280] iwlwifi 0000:01:00.0: CSR_EEPROM_GP: 0Xd55555d5
[ 5.489333] iwlwifi 0000:01:00.0: CSR_OTP_GP_REG: 0Xd55555d5
[ 5.489386] iwlwifi 0000:01:00.0: CSR_GIO_REG: 0X001f0042
[ 5.489440] iwlwifi 0000:01:00.0: CSR_GP_UCODE_REG: 0X00000000
[ 5.489493] iwlwifi 0000:01:00.0: CSR_GP_DRIVER_REG: 0X00000000
[ 5.489546] iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP1: 0X00000000
[ 5.489599] iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP2: 0X00000000
[ 5.489652] iwlwifi 0000:01:00.0: CSR_LED_REG: 0X00000020
[ 5.489705] iwlwifi 0000:01:00.0: CSR_DRAM_INT_TBL_REG: 0X8825fe95
[ 5.489763] iwlwifi 0000:01:00.0: CSR_GIO_CHICKEN_BITS: 0X07800200
[ 5.489884] iwlwifi 0000:01:00.0: CSR_ANA_PLL_CFG: 0Xd55555d5
[ 5.489937] iwlwifi 0000:01:00.0: CSR_MONITOR_STATUS_REG: 0Xc03803c0
[ 5.489990] iwlwifi 0000:01:00.0: CSR_HW_REV_WA_REG: 0X0001001a
[ 5.490043] iwlwifi 0000:01:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000
[ 5.490046] iwlwifi 0000:01:00.0: FH register values:
[ 5.490109] iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X25fd0000
[ 5.490173] iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X026011b0
[ 5.490237] iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000008
[ 5.490302] iwlwifi 0000:01:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801054
[ 5.490366] iwlwifi 0000:01:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
[ 5.490430] iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
[ 5.490494] iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
[ 5.490558] iwlwifi 0000:01:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001
[ 5.490622] iwlwifi 0000:01:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000
[ 5.490787] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
[ 5.490790] iwlwifi 0000:01:00.0: Status: 0x00000000, count: 6
[ 5.490793] iwlwifi 0000:01:00.0: Loaded firmware version: 22.361476.0
[ 5.490796] iwlwifi 0000:01:00.0: 0x00001245 | ADVANCED_SYSASSERT
[ 5.490799] iwlwifi 0000:01:00.0: 0x000002F0 | trm_hw_status0
[ 5.490801] iwlwifi 0000:01:00.0: 0x00000000 | trm_hw_status1
[ 5.490804] iwlwifi 0000:01:00.0: 0x00005386 | branchlink2
[ 5.490807] iwlwifi 0000:01:00.0: 0x000111F4 | interruptlink1
[ 5.490809] iwlwifi 0000:01:00.0: 0x00000000 | interruptlink2
[ 5.490812] iwlwifi 0000:01:00.0: 0x00000000 | data1
[ 5.490815] iwlwifi 0000:01:00.0: 0x00000000 | data2
[ 5.490817] iwlwifi 0000:01:00.0: 0x000000A1 | data3
[ 5.490820] iwlwifi 0000:01:00.0: 0x003FD349 | beacon time
[ 5.490823] iwlwifi 0000:01:00.0: 0x00002CB5 | tsf low
[ 5.490825] iwlwifi 0000:01:00.0: 0x00000000 | tsf hi
[ 5.490828] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
[ 5.490830] iwlwifi 0000:01:00.0: 0x00002CB6 | time gp2
[ 5.490833] iwlwifi 0000:01:00.0: 0x00000000 | uCode revision type
[ 5.490836] iwlwifi 0000:01:00.0: 0x00000016 | uCode version major
[ 5.490839] iwlwifi 0000:01:00.0: 0x00058404 | uCode version minor
[ 5.490841] iwlwifi 0000:01:00.0: 0x00000230 | hw version
[ 5.490844] iwlwifi 0000:01:00.0: 0x00489000 | board version
[ 5.490847] iwlwifi 0000:01:00.0: 0x0911016A | hcmd
[ 5.490849] iwlwifi 0000:01:00.0: 0x00022080 | isr0
[ 5.490852] iwlwifi 0000:01:00.0: 0x00000000 | isr1
[ 5.490855] iwlwifi 0000:01:00.0: 0x28201802 | isr2
[ 5.490857] iwlwifi 0000:01:00.0: 0x404001C0 | isr3
[ 5.490860] iwlwifi 0000:01:00.0: 0x00000000 | isr4
[ 5.490862] iwlwifi 0000:01:00.0: 0x04800118 | last cmd Id
[ 5.490865] iwlwifi 0000:01:00.0: 0x00000000 | wait_event
[ 5.490868] iwlwifi 0000:01:00.0: 0x0000E7FF | l2p_control
[ 5.490870] iwlwifi 0000:01:00.0: 0x00000000 | l2p_duration
[ 5.490873] iwlwifi 0000:01:00.0: 0x00000000 | l2p_mhvalid
[ 5.490876] iwlwifi 0000:01:00.0: 0x00000000 | l2p_addr_match
[ 5.490878] iwlwifi 0000:01:00.0: 0x0000008F | lmpm_pmg_sel
[ 5.490881] iwlwifi 0000:01:00.0: 0x03071928 | timestamp
[ 5.490884] iwlwifi 0000:01:00.0: 0x00000820 | flow_handler
[ 5.491054] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
[ 5.491056] iwlwifi 0000:01:00.0: Status: 0x00000000, count: 7
[ 5.491059] iwlwifi 0000:01:00.0: 0x00000070 | ADVANCED_SYSASSERT
[ 5.491062] iwlwifi 0000:01:00.0: 0x00000000 | umac branchlink1
[ 5.491065] iwlwifi 0000:01:00.0: 0xC0082F64 | umac branchlink2
[ 5.491067] iwlwifi 0000:01:00.0: 0xC0081000 | umac interruptlink1
[ 5.491070] iwlwifi 0000:01:00.0: 0xC0081000 | umac interruptlink2
[ 5.491073] iwlwifi 0000:01:00.0: 0x00000800 | umac data1
[ 5.491075] iwlwifi 0000:01:00.0: 0xC0081000 | umac data2
[ 5.491078] iwlwifi 0000:01:00.0: 0xDEADBEEF | umac data3
[ 5.491081] iwlwifi 0000:01:00.0: 0x00000016 | umac major
[ 5.491083] iwlwifi 0000:01:00.0: 0x00058404 | umac minor
[ 5.491086] iwlwifi 0000:01:00.0: 0xC0886280 | frame pointer
[ 5.491089] iwlwifi 0000:01:00.0: 0xC0886280 | stack pointer
[ 5.491091] iwlwifi 0000:01:00.0: 0x0911016A | last host cmd
[ 5.491094] iwlwifi 0000:01:00.0: 0x00000000 | isr status reg
[ 5.495595] iwlwifi 0000:01:00.0: Failed to run INIT ucode: -5