Re: Issue with kernel 5.10.0-9-*?
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.
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