Thorsten Leemhuis <regressions@xxxxxxxxxxxxx> wrote: > On 28.05.24 10:21, Linux regression tracking (Thorsten Leemhuis) wrote: > > On 28.05.24 00:01, Christian Heusel wrote: > >> > >> Savyasaachi reports that scanning for other stations in monitor mode > >> does not work anymore with his RTL8821CE wireless network card for linux > >> kernels after 6.8.9. > >> [...] > > Hmm, the wifi developers did not reply to the inquiry quoted below. :-/ > Guess I'll have to take a closer look a the linked bugzilla report then. > > Anyway: Christian, Savyasaachi, I noticed a submission of a patch > referencing the culprit with a Fixes: tag; it talks about package loss, > but it still made me wonder if that might be related somehow: > https://lore.kernel.org/all/1fabb8e4-adf3-47ae-8462-8aea963bc2a5@xxxxxxxxx/ > > Ciao, Thorsten > > > So back to the real problem: > > > > @wifi developers: Is there some bigger problem in 6.9.y related to > > monitoring mode that is affecting a lot of drivers/users? > > > > I'm asking because I noticed another report that sounded related. To > > quote: https://bugzilla.kernel.org/show_bug.cgi?id=218884 > > > > """ > >> Michael 2024-05-24 17:04:51 UTC > >> > >> Some features are broken since kernel 6.9.1 when running monitor mode. > >> > >> First bug: > >> Switching a channel via "NL80211_ATTR_WIPHY_FREQ" does not switch the channel/frequency. > >> > >> That is not a device driver problem, because all device drivers (Mediatek, Ralink, Realtek, ...) are > affected. We have a draft fix of rtw88 driver for RTL8821CE, but as mentioned some drivers are affected, so I don't plan to send out the patch. Instead we are looking for the fix of cfg80211/mac80211. Ping-Ke
