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I have an issue with the wifi in a HP 15-db0598sa that I've installed lubuntu 20.04 on.

Pinging google.com gives typical output of the form:


Code:
64 bytes from lhr25s26-in-f14.1e100.net (172.217.169.14): icmp_seq=171 ttl=53 time=12.3 ms
64 bytes from lhr25s26-in-f14.1e100.net (172.217.169.14): icmp_seq=172 ttl=53 time=96.4 ms
64 bytes from lhr25s26-in-f14.1e100.net (172.217.169.14): icmp_seq=175 ttl=53 time=1026 ms
64 bytes from lhr25s26-in-f14.1e100.net (172.217.169.14): icmp_seq=176 ttl=53 time=11.2 ms
64 bytes from lhr25s26-in-f14.1e100.net (172.217.169.14): icmp_seq=177 ttl=53 time=11.4 ms
64 bytes from lhr25s26-in-f14.1e100.net (172.217.169.14): icmp_seq=178 ttl=53 time=10.3 ms
64 bytes from lhr25s26-in-f14.1e100.net (172.217.169.14): icmp_seq=179 ttl=53 time=10.5 ms
64 bytes from lhr25s26-in-f14.1e100.net (172.217.169.14): icmp_seq=181 ttl=53 time=1035 ms
64 bytes from lhr25s26-in-f14.1e100.net (172.217.169.14): icmp_seq=182 ttl=53 time=22.9 ms
where the ping varies from ~10ms (as on my other machines) up to > 1000 ms, with the odd ping (about 24% packet loss) dropped (such as between 172 and 175 and 179 and 181 above).

I have tried github.com/lwfinger/rtlwifi_new/tree/rtw88, which are the latest versions (the output of lspci -knn | grep Net -A3 is as follows) and this is still giving me ~25% packet loss and intermittent >1000ms ping times.

03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723DE 802.11b/g/n PCIe Adapter [10ec:d723]
DeviceName: WLAN
Subsystem: Hewlett-Packard Company RTL8723DE 802.11b/g/n PCIe Adapter [103c:8319]
Kernel driver in use: rtw_8723de


Is there anything else I can try?

I do have an older machine running 18.04 which will be in the same location as this machine will eventually be, but the ping there is fine:


Code:
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=4 ttl=53 time=12.8 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=5 ttl=53 time=11.6 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=6 ttl=53 time=12.1 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=7 ttl=53 time=11.0 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=8 ttl=53 time=11.0 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=9 ttl=53 time=21.8 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=10 ttl=53 time=11.3 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=11 ttl=53 time=11.5 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=12 ttl=53 time=12.3 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=13 ttl=53 time=13.2 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=14 ttl=53 time=11.6 ms
64 bytes from ams16s21-in-f14.1e100.net (216.58.212.206): icmp_seq=15 ttl=53 time=11.5 ms
06-02-2020, 07:41 AM
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