2013-08-16 17:11:46

by Aleksandr Mezin

[permalink] [raw]
Subject: Re: Kernel Panic with Linux 3.10-6

Arend van Spriel <arend@...> writes:

>
> On 08/15/2013 03:28 AM, Pedram Navid wrote:
> > With the latest 3.10-6 kernel I am receiving frequent and consistent
> > kernel panics. Downgrading to 3.9.5 resolves the issue.
>
> Thanks, Pedram
>
> I have had a couple of other report about this particular panic and did
> some investigation. It is a divide-by-zero causing the panic. I do have
> a patch to avoid that, but the root cause is something else. Is 3.10.6
> you see this on the unmodified stable release?
>
> The attached patch avoids the panic, but you will probably have crappy
> connectivity.
>
> Regards,
> Arend
>

I've temporarily solved the problem by reverting patch "mac80211/minstrel_ht:
fix cck rate sampling" [1]. After that - no error messages, no panic,
connection works at normal speed.

[1] https://git.kernel.org/cgit/linux/kernel/git/stable/linux-
stable.git/commit/?id=ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6