On Tue, Dec 19, 2023 at 2:47 PM Diederik de Haas <didi.deb...@cknow.org> wrote: > > 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?
Correct.
