不太确定在哪里可以找到线索来了解发生了什么。在 GUI 中，wifi 似乎正在搜索网络，但什么也没有出现。
的输出lspci是
Network controller: Intel Corporation Wireless-AC 9260 (rev 29)
最后dmesg | grep iwlwifi是
[ 719.324454] iwlwifi 0000:02:00.0: Start IWL Error Log Dump:
[ 719.324456] iwlwifi 0000:02:00.0: Status: 0x00000100, count: 7
[ 719.324458] iwlwifi 0000:02:00.0: 0x20000034 | NMI_INTERRUPT_WDG
[ 719.324460] iwlwifi 0000:02:00.0: 0x00000000 | umac branchlink1
[ 719.324462] iwlwifi 0000:02:00.0: 0xC008888E | umac branchlink2
[ 719.324464] iwlwifi 0000:02:00.0: 0xC0084C80 | umac interruptlink1
[ 719.324466] iwlwifi 0000:02:00.0: 0xC0080708 | umac interruptlink2
[ 719.324468] iwlwifi 0000:02:00.0: 0x00000400 | umac data1
[ 719.324469] iwlwifi 0000:02:00.0: 0xC0080708 | umac data2
[ 719.324471] iwlwifi 0000:02:00.0: 0xDEADBEEF | umac data3
[ 719.324473] iwlwifi 0000:02:00.0: 0x0000002E | umac major
[ 719.324475] iwlwifi 0000:02:00.0: 0x6BF1DF06 | umac minor
[ 719.324477] iwlwifi 0000:02:00.0: 0x0003D177 | frame pointer
[ 719.324479] iwlwifi 0000:02:00.0: 0xC0886C44 | stack pointer
[ 719.324480] iwlwifi 0000:02:00.0: 0x00230405 | last host cmd
[ 719.324482] iwlwifi 0000:02:00.0: 0x00004008 | isr status reg
[ 719.324573] iwlwifi 0000:02:00.0: FW error in SYNC CMD GEO_TX_POWER_LIMIT
[ 719.324617] iwl_trans_pcie_send_hcmd+0x521/0x540 [iwlwifi]
[ 719.324641] iwl_trans_send_cmd+0x71/0xe0 [iwlwifi]
[ 719.324678] ? iwl_acpi_get_object+0xbc/0x130 [iwlwifi]
[ 719.325072] iwlwifi 0000:02:00.0: Collecting data: trigger 2 fired.
[ 719.325090] iwlwifi 0000:02:00.0: Firmware not running - cannot dump error
uname -r是4.15.0-1059-oem
升级之前一切运行正常。
dmesg | grep iwlwifi更新：重启后情况变得更糟了！现在我在 Wi-Fi 设置中收到“未找到 Wi-Fi 适配器”的提示，并且根本没有任何输出。