On Sat 30 Oct 2021 at 15:30:53 (+0200), Hans wrote: > Am Montag, 11. Oktober 2021, 10:59:39 CEST schrieb Hans: > So I am answering myself. > > Yesterday I got a new display and could reanimate my notebook. Thus I did > some > testing, and yes, the issue with 5.10.0-9-* is still existent. Going back to > 0-8- let this issue disappear. > > But I got new informations: The kernel module which is responsible for that, > is ath5k.ko (This is an Atheros card). Normally the wireless LED only blinks, > when there is real traffic aimed to my IP. However, with 0-9- the LED is > permanently blinking. > > I could verify, that it is no traffic created by the notebook itself (used > tcpdump) and killed all network processes (daemons/apps whatever) running on > the system. > > But even when there were no processes running except the one needed for the > connection with the router, the LED kept on blinking. > > Further investigation showed, that the blinking appeared due to the broadcast > packages sent by the router. The wireless card thinks, this is normal traffic > and the LED blinks. > > This is bad for me, as the LED was in the past often a good sign, when > soemthing fishy is going on. If the LED is only blinking from time to time, > everything is ok, but when it was blinking som,ething special is going on > (i.e. an update is running or freshclam is updating, but also some brute > force > attacks could also be discovered.) > > So, I would like the old behaviour back! Maybe this could be reverted? Should > I file a bugreport? Or maybe is this already known? > > Maybe someone could confirm this, too, or might have been not noticed yet, > and > could have an eye on his system. Would be nice, before I file a bugreport. > > I also saw, there is kernel-5.14*-bpo* (I believe bpo stands for > "backported"?), did not test this kernel, but if 5.14 will become stable, > this > issue might be already fixed in this version. Dunno.... > > Thank you very much for reading this and any hints.
Is this the same problem that you reported at: https://lists.debian.org/debian-user/2016/06/msg00698.html What did you discover back then? Cheers, David.