Re: netconsole warning in 4.19.0-rc7

From: Dave Jones
Date: Fri Oct 19 2018 - 09:47:10 EST


On Fri, Oct 19, 2018 at 12:51:38PM +0300, Meelis Roos wrote:
> > > > I took another look at that error path. Turns out this is all we need I
> > > > think..
> > >
> > > With this patch applied on top of 4.19-rc8, I stll get the warning:
> > >
> > > [ 13.722919] WARNING: CPU: 0 PID: 0 at kernel/softirq.c:168 __local_bh_enable_ip+0x2e/0x44
> >
> > It's going to be a couple days before I get chance to get back to this.
> > Did the previous patch in this thread (without the _bh) fare any better?
>
> Tried it with rcu_read_unlock() instead, still the same.

Ok, this is going to take more time than I have. DaveM, do you want
to revert 6fe9487892b32cb1c8b8b0d552ed7222a527fe30, or do you want a
patch doing the same ?

That'll bring back the rcu warning, but fewer people were complaining
about that than this new issue..

Dave