On Friday, 23 December 2022 18:40:32 CET Yuxuan Wang wrote: > Package: firmware-iwlwifi > Version: 20221109-4 > > With firmware iwlwifi-cc-a0-72.ucode, the wifi chip would throw "Microcode > SW error detected" after the system is idle for a while. After wakig up the > system, the wifi would appears to be connected (in NetworkManager), but > pinging the router will give "Destination Host Unreachable", and I have to > turn wifi off and one again in NetworkManager to fix it. > > This is the kernel log when the error happens: > ... > (delay=0ms). Dec 20 16:00:14 perch kernel: ieee80211 phy0: Hardware restart > was requested > > The hardware info according to `lspci -nn -d ::280` is: > > 3b:00.0 Network controller [0280]: Intel Corporation Wi-Fi 6 AX200 > [8086:2723] (rev 1a) > > I tried to downgrade it, via: > > mv /lib/firmware/iwlwifi-cc-a0-72.ucode > /lib/firmware/iwlwifi-cc-a0-72.ucode.backup > > And then reload the kernel models, which loaded 71 instead, but that still > has a similar issue: instead of "Destination Host Unreachable", pinging the > router gives me super high latency (in seconds instead of milliseconds) and > the network is almost unusable, and I have to turn wifi off and on again in > NetworkManager to fix it. The kernel log for 71 is: > > I have to downgrade again (from 71 to 63, there's no version in between) to > fix the issue. So to summarize: It works with 63, but it fails with 71 or 72? And in order to make it work, you have to (actively) remove the 71 and 72 versions?
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