Hello everyone,
I installed Zorin OS Education Lite 16 in my sister's HP 13-c000nt laptop, and we're amazed. But we're experienced issues with the wireless card. Wifi connection is dropping from time to time, and works only until stop and start wifi if it works. I tried to disable all kinds of power management about networking, but so far I cannot fix the issue. I managed to figure out (I hope) what is the problem. On journalctl, the dropping happens after starting network script dispatcher. Here some specs, and full journalctl logs:
inxi -Fxz
System:
Kernel: 5.13.0-28-generic x86_64 bits: 64 compiler: N/A
Desktop: Xfce 4.16.0 Distro: Zorin OS 16 base: Ubuntu 20.04 LTS Focal
Machine:
Type: Laptop System: Hewlett-Packard product: HP Stream Notebook PC 13
v: Type1 - ProductConfigId serial: <filter>
Mobo: Hewlett-Packard model: 802A v: 56.10 serial: <filter> UEFI: Insyde
v: F.05 date: 11/28/2014
Battery:
ID-1: BAT0 charge: 27.7 Wh condition: 27.7/27.7 Wh (100%)
model: Hewlett-Packard Primary status: Discharging
CPU:
Topology: Dual Core model: Intel Celeron N2840 bits: 64 type: MCP
arch: Silvermont rev: 8 L2 cache: 1024 KiB
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 bogomips: 8666
Speed: 521 MHz min/max: 500/2582 MHz Core speeds (MHz): 1: 550 2: 569
Graphics:
Device-1: Intel Atom Processor Z36xxx/Z37xxx Series Graphics & Display
vendor: Hewlett-Packard driver: i915 v: kernel bus ID: 00:02.0
Display: x11 server: X.Org 1.20.13 driver: modesetting
unloaded: fbdev,vesa resolution: 1366x768~60Hz
OpenGL: renderer: Mesa DRI Intel HD Graphics (BYT) v: 4.2 Mesa 21.0.3
direct render: Yes
Audio:
Device-1: Intel Atom Processor Z36xxx/Z37xxx Series High Definition Audio
vendor: Hewlett-Packard driver: snd_hda_intel v: kernel bus ID: 00:1b.0
Sound Server: ALSA v: k5.13.0-28-generic
Network:
Device-1: Realtek RTL8723BE PCIe Wireless Network Adapter
vendor: Hewlett-Packard driver: rtl8723be v: kernel port: 1000
bus ID: 02:00.0
IF: wlp2s0 state: up mac: <filter>
Drives:
Local Storage: total: 29.12 GiB used: 20.33 GiB (69.8%)
ID-1: /dev/mmcblk0 model: SDW32G size: 29.12 GiB
Partition:
ID-1: / size: 28.04 GiB used: 20.32 GiB (72.5%) fs: ext4
dev: /dev/mmcblk0p2
Sensors:
System Temperatures: cpu: 35.0 C mobo: N/A
Fan Speeds (RPM): N/A
Info:
Processes: 172 Uptime: 7m Memory: 1.82 GiB used: 722.7 MiB (38.7%)
Init: systemd runlevel: 5 Compilers: gcc: 9.3.0 clang: 10.0.0-4ubuntu1
Shell: bash v: 5.0.17 inxi: 3.0.38
sudo lshw -C network
*-network
açıklama: Kablosuz arayüz
ürün: RTL8723BE PCIe Wireless Network Adapter
üretici: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
mantıksal ad: wlp2s0
sürüm: 00
serial: 2c:33:7a:41:6e:23
genişlik: 64 bits
saat: 33MHz
kapasiteler: pm msi pciexpress bus_master cap_list eternet physical wireless
yapılandırma: broadcast=yes driver=rtl8723be driverversion=5.13.0-28-generic firmware=N/A ip=192.168.1.145 latency=0 link=yes multicast=yes wireless=IEEE 802.11
kaynaklar: irq:17 ioport:1000(boyut=256) bellek:90500000-90503fff
iwconfig
lo no wireless extensions.
wlp2s0 IEEE 802.11 ESSID:"Anafor"
Mode:Managed Frequency:2.427 GHz Access Point: 54:83:3A:14:F2:51
Bit Rate=72.2 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-24 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:20 Missed beacon:0
/etc/modprobe.d/rtl8723be.conf
options rtl8723be fwlps=0 ips=0
sudo systool -a -v -m rtl8723be | grep -A8 "Parameters"
[sudo] dilara için parola:
Parameters:
ant_sel = "2"
aspm = "1"
debug_level = "0"
debug_mask = "0"
disable_watchdog = "N"
fwlps = "N"
ips = "N"
msi = "N"
systemctl list-unit-files --state=enabled
STATE VENDOR PRESET
acpid.path enabled enabled
cups.path enabled enabled
accounts-daemon.service enabled enabled
anacron.service enabled enabled
apparmor.service enabled enabled
autovt@.service enabled enabled
avahi-daemon.service enabled enabled
binfmt-support.service enabled enabled
blueman-mechanism.service enabled enabled
bluetooth.service enabled enabled
console-setup.service enabled enabled
cron.service enabled enabled
cups-browsed.service enabled enabled
cups.service enabled enabled
dbus-fi.w1.wpa_supplicant1.service enabled enabled
dbus-org.bluez.service enabled enabled
dbus-org.freedesktop.Avahi.service enabled enabled
dbus-org.freedesktop.ModemManager1.service enabled enabled
dbus-org.freedesktop.nm-dispatcher.service enabled enabled
dbus-org.freedesktop.resolve1.service enabled enabled
dbus-org.freedesktop.thermald.service enabled enabled
dbus-org.freedesktop.timesync1.service enabled enabled
dmesg.service enabled enabled
e2scrub_reap.service enabled enabled
getty@.service enabled enabled
gpu-manager.service enabled enabled
grub-common.service enabled enabled
grub-initrd-fallback.service enabled enabled
irqbalance.service enabled enabled
kerneloops.service enabled enabled
keyboard-setup.service enabled enabled
lm-sensors.service enabled enabled
ModemManager.service enabled enabled
network-manager.service enabled enabled
Şub 07 01:49:40 mulitaskmachine kernel: rtlwifi: AP off, try to reconnect now
Şub 07 01:49:40 mulitaskmachine kernel: wlp2s0: Connection to AP 54:83:3a:14:f2:51 lost
Şub 07 01:49:40 mulitaskmachine wpa_supplicant[492]: wlp2s0: CTRL-EVENT-DISCONNECTED bssid=54:83:3a:14:f2:51 reason=4 locally_generated=1
Şub 07 01:49:40 mulitaskmachine NetworkManager[457]: <warn> [1644187780.5692] sup-iface[0x5581546b9920,wlp2s0]: connection disconnected (reason -4)
Şub 07 01:49:40 mulitaskmachine wpa_supplicant[492]: wlp2s0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
Şub 07 01:49:40 mulitaskmachine NetworkManager[457]: <info> [1644187780.5946] device (wlp2s0): supplicant interface state: completed -> disconnected
Şub 07 01:49:40 mulitaskmachine NetworkManager[457]: <info> [1644187780.5948] device (p2p-dev-wlp2s0): supplicant management interface state: completed -> disconnected
Şub 07 01:49:40 mulitaskmachine NetworkManager[457]: <info> [1644187780.6829] device (wlp2s0): supplicant interface state: disconnected -> scanning
Şub 07 01:49:40 mulitaskmachine NetworkManager[457]: <info> [1644187780.6830] device (p2p-dev-wlp2s0): supplicant management interface state: disconnected -> scanning
Şub 07 01:49:55 mulitaskmachine NetworkManager[457]: <warn> [1644187795.8465] device (wlp2s0): link timed out.
Şub 07 01:49:55 mulitaskmachine NetworkManager[457]: <info> [1644187795.8541] device (wlp2s0): state change: activated -> failed (reason 'ssid-not-found', sys-iface-state: 'managed')
Şub 07 01:49:55 mulitaskmachine avahi-daemon[449]: Withdrawing address record for fe80::a646:ae59:6a82:96cb on wlp2s0.
Şub 07 01:49:55 mulitaskmachine NetworkManager[457]: <info> [1644187795.8566] manager: NetworkManager state is now DISCONNECTED
Şub 07 01:49:55 mulitaskmachine avahi-daemon[449]: Leaving mDNS multicast group on interface wlp2s0.IPv6 with address fe80::a646:ae59:6a82:96cb.
Şub 07 01:49:55 mulitaskmachine NetworkManager[457]: <warn> [1644187795.8595] device (wlp2s0): Activation: failed for connection 'Anafor'
Şub 07 01:49:55 mulitaskmachine avahi-daemon[449]: Interface wlp2s0.IPv6 no longer relevant for mDNS.
Şub 07 01:49:55 mulitaskmachine NetworkManager[457]: <info> [1644187795.8624] device (wlp2s0): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
Şub 07 01:49:55 mulitaskmachine dbus-daemon[456]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.10' (uid=0 pid=457 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")
Şub 07 01:49:55 mulitaskmachine NetworkManager[457]: <info> [1644187795.8875] dhcp4 (wlp2s0): canceled DHCP transaction
Şub 07 01:49:55 mulitaskmachine avahi-daemon[449]: Withdrawing address record for 192.168.1.145 on wlp2s0.
Şub 07 01:49:55 mulitaskmachine NetworkManager[457]: <info> [1644187795.8876] dhcp4 (wlp2s0): state changed bound -> done
Şub 07 01:49:55 mulitaskmachine avahi-daemon[449]: Leaving mDNS multicast group on interface wlp2s0.IPv4 with address 192.168.1.145.
Şub 07 01:49:55 mulitaskmachine systemd[1]: Starting Network Manager Script Dispatcher Service...
Şub 07 01:49:55 mulitaskmachine avahi-daemon[449]: Interface wlp2s0.IPv4 no longer relevant for mDNS.
Şub 07 01:49:55 mulitaskmachine dbus-daemon[456]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Şub 07 01:49:55 mulitaskmachine systemd[1]: Started Network Manager Script Dispatcher Service.
Şub 07 01:49:55 mulitaskmachine nm-dispatcher[2630]: run-parts: failed to stat component /etc/network/if-post-down.d/avahi-daemon: No such file or directory
Şub 07 01:49:58 mulitaskmachine NetworkManager[457]: <info> [1644187798.5196] device (wlp2s0): supplicant interface state: scanning -> inactive
Şub 07 01:49:58 mulitaskmachine NetworkManager[457]: <info> [1644187798.5229] device (p2p-dev-wlp2s0): supplicant management interface state: scanning -> inactive
Şub 07 01:50:05 mulitaskmachine systemd[1]: NetworkManager-dispatcher.service: Succeeded.