Kubuntu 19.10 iwlwifi错误导致系统挂起

Question

更新:问题似乎出现在5.3.0-24内核中，而启动到23则运行良好。

从今天起，我的Kubuntu19.10系统在尝试连接wifi时就挂起了。在引导时，它显示了以下错误：

iwlwifi 0000:03:00.0: Direct firmware load for iwl-dbg-cfg.ini failed with error -2

然后说

loaded firmware version 29.62a39462.0 op_mode iwlmvm

英特尔的驱动程序是两天前更新的，在这个错误之后，当我试图打开驱动程序管理器时，它不起作用了--只是坐在那里，说着收集关于您系统的信息。

我试着删除模块，并再次加载它，它不起作用。在网上找不到任何东西来看我如何安装或修复这个。

更新:

lspci -nnk | grep 0280 -A3

03:00.0 Network controller [0280]: Intel Corporation Dual Band Wireless-AC 3168NGW [Stone Peak] [8086:24fb] (rev 10) Subsystem: Intel Corporation Dual Band Wireless-AC 3168NGW [Stone Peak] [8086:2110] Kernel driver in use: iwlwifi Kernel modules: iwlwifi

dmesg | grep iwl

[ 22.928487] Loading modules backported from iwlwifi [ 22.928487] iwlwifi-stack-public:master:7906:7773a757 [ 23.658864] iwlwifi 0000:03:00.0: Direct firmware load for iwl-dbg-cfg.ini failed with error -2 [ 24.660202] iwlwifi 0000:03:00.0: loaded firmware version 29.62a39462.0 op_mode iwlmvm [ 24.790152] iwlwifi 0000:03:00.0: Detected Intel(R) Dual Band Wireless AC 3168, REV=0x220 [ 24.814431] iwlwifi 0000:03:00.0: base HW address: d4:25:8b:cd:23:14 [ 24.848669] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs' [ 24.863488] iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0

我启用了没有密码的登录，并禁用了与wifi的自动连接，网络applet用于显示可用的网络，甚至当我单击连接到其中任何一个网络并给出密码时，系统立即挂起，我不得不用电源开关关机。

journalctl | grep iwlwifi

Dec 10 07:57:13 prajeesh-HPLPT kernel: Loading modules backported from iwlwifi Dec 10 07:57:13 prajeesh-HPLPT kernel: iwlwifi-stack-public:master:7906:7773a757 Dec 10 07:57:15 prajeesh-HPLPT kernel: iwlwifi 0000:03:00.0: Direct firmware load for iwl-dbg-cfg.ini failed with error -2 Dec 10 07:57:15 prajeesh-HPLPT kernel: iwlwifi 0000:03:00.0: loaded firmware version 29.62a39462.0 op_mode iwlmvm Dec 10 07:57:15 prajeesh-HPLPT kernel: iwlwifi 0000:03:00.0: Detected Intel(R) Dual Band Wireless AC 3168, REV=0x220 Dec 10 07:57:15 prajeesh-HPLPT kernel: iwlwifi 0000:03:00.0: base HW address: d4:25:8b:cd:23:14 Dec 10 07:57:15 prajeesh-HPLPT kernel: iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0 Dec 10 07:57:33 prajeesh-HPLPT NetworkManager[1127]: <info> [1575944853.7311] rfkill1: found Wi-Fi radio killswitch (at /sys/devices/pci0000:00/0000:00:1c.5/0000:03:00.0/ieee80211/phy0/rfkill1) (driver iwlwifi)

/etc/modprobe.d/iwlwifi.conf

# /etc/modprobe.d/iwlwifi.conf
# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the
# microcode file installed on the system.  When removing iwlwifi, first
# remove the iwl?vm module and then iwlwifi.
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211

grep iwlwifi /var/log/kern.log

输出同时工作和悬挂，

Dec  8 09:16:27 prajeesh-HPLPT kernel: [   16.913593] iwlwifi 0000:03:00.0: loaded firmware version 29.1654887522.0 op_mode iwlmvm
Dec  8 09:16:27 prajeesh-HPLPT kernel: [   17.142880] iwlwifi 0000:03:00.0: Detected Intel(R) Dual Band Wireless AC 3168, REV=0x220
Dec  8 09:16:27 prajeesh-HPLPT kernel: [   17.164525] iwlwifi 0000:03:00.0: base HW address: <address>
Dec  8 09:16:27 prajeesh-HPLPT kernel: [   17.325932] iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0
Dec  8 09:48:14 prajeesh-HPLPT kernel: [ 1947.490754] iwlwifi 0000:03:00.0: No beacon heard and the time event is over already...
Dec  8 09:48:39 prajeesh-HPLPT kernel: [ 1971.752157] iwlwifi 0000:03:00.0: No beacon heard and the time event is over already...
Dec  8 09:50:23 prajeesh-HPLPT kernel: [ 2076.381356] iwlwifi 0000:03:00.0: No beacon heard and the time event is over already...
Dec  8 09:51:33 prajeesh-HPLPT kernel: [ 2146.322949] iwlwifi 0000:03:00.0: No beacon heard and the time event is over already...
Dec  8 09:51:46 prajeesh-HPLPT kernel: [ 2159.340660] iwlwifi 0000:03:00.0: No beacon heard and the time event is over already...
Dec  9 07:43:50 prajeesh-HPLPT kernel: [   21.236664] iwlwifi 0000:03:00.0: loaded firmware version 29.1654887522.0 op_mode iwlmvm
Dec  9 07:43:50 prajeesh-HPLPT kernel: [   21.532119] iwlwifi 0000:03:00.0: Detected Intel(R) Dual Band Wireless AC 3168, REV=0x220
Dec  9 07:43:50 prajeesh-HPLPT kernel: [   21.551705] iwlwifi 0000:03:00.0: base HW address: <address>
Dec  9 07:43:50 prajeesh-HPLPT kernel: [   21.626820] iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0
Dec  9 12:49:32 prajeesh-HPLPT kernel: [13409.652057] iwlwifi 0000:03:00.0: No beacon heard and the time event is over already...
Dec 10 07:40:13 prajeesh-HPLPT kernel: [   20.099761] Loading modules backported from iwlwifi
Dec 10 07:40:13 prajeesh-HPLPT kernel: [   20.099761] iwlwifi-stack-public:master:7906:7773a757
Dec 10 07:40:13 prajeesh-HPLPT kernel: [   22.385800] iwlwifi 0000:03:00.0: Direct firmware load for iwl-dbg-cfg.ini failed with error -2
Dec 10 07:40:13 prajeesh-HPLPT kernel: [   22.502088] iwlwifi 0000:03:00.0: loaded firmware version 29.62a39462.0 op_mode iwlmvm
Dec 10 07:40:13 prajeesh-HPLPT kernel: [   22.703367] iwlwifi 0000:03:00.0: Detected Intel(R) Dual Band Wireless AC 3168, REV=0x220
Dec 10 07:40:13 prajeesh-HPLPT kernel: [   22.728114] iwlwifi 0000:03:00.0: base HW address: <address>
Dec 10 07:40:13 prajeesh-HPLPT kernel: [   22.826500] iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0 

Answer 1

也有同样的问题。到目前为止，我的解决办法是切换到内核版本5.3.0-23-泛型。现在，它如预期的那样工作。