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I reinstalled arch after switching to an ssd, thus it used to work in the past without problems.
With
cat /etc/modprobe.d/rtl8192se.conf
options rtl8192se fwlps=N ips=N swlps=N swenc=Y
I am getting very high speed, but only for a limited time. Not setting these options results in slow speed all the time. If I reconnect manually, or if I reload the module using
sudo rmmod rtl8192se; sudo modprobe rtl8192se
it is fast again for a limited time.
Additional information:
lspci -k:
04:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller (rev 10)
Subsystem: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller
Kernel driver in use: rtl8192se
Kernel modules: rtl8192se
dmesg | grep rtl:
[ 3.757717] rtl8192se: Power Save off (module option)
[ 3.757719] rtl8192se: FW Power Save off (module option)
[ 3.757780] rtl8192se: Driver for Realtek RTL8192SE/RTL8191SE
[ 3.768370] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
[ 3.856184] rtl8192se 0000:04:00.0 wlp4s0: renamed from wlan0
[ 12.171988] rtl8192se: switch case 0x5e not processed
I did not find information about the switch case error.
dmesg | grep wlp
[ 3.856184] rtl8192se 0000:04:00.0 wlp4s0: renamed from wlan0
[ 5.194286] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready
[ 5.346717] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready
[ 5.501211] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready
[ 5.633870] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready
[ 11.068760] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready
[ 12.137524] wlp4s0: authenticate with 70:4f:57:24:17:18
[ 12.157041] wlp4s0: send auth to 70:4f:57:24:17:18 (try 1/3)
[ 12.160884] wlp4s0: authenticated
[ 12.166758] wlp4s0: associate with 70:4f:57:24:17:18 (try 1/3)
[ 12.170332] wlp4s0: RX AssocResp from 70:4f:57:24:17:18 (capab=0x431 status=0 aid=5)
[ 12.172012] wlp4s0: associated
[ 12.172069] IPv6: ADDRCONF(NETDEV_CHANGE): wlp4s0: link becomes ready
iwconfig always shows this (no matter if fast or slow):
wlp4s0 IEEE 802.11 ESSID:"essidname"
Mode:Managed Frequency:2.432 GHz Access Point: 70:4f:57:24:17:18
Bit Rate=150 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=-38 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:3224 Missed beacon:0
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I'm basically clueless, but my rtl8723be works fine with the same options as yours and
disable_watchdog=1
so you could give it a try. Which network manager are you using? Have you tried using another one?
systemctl list-units --state=active | grep net
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