On Sat, Apr 08, 2017 at 12:13:06AM +0900, Sergey Senozhatsky wrote:
On (04/07/17 14:44), Pavel Machek wrote:
> > [..]
> > > I believe "spend at most 2 seconds in printk(), then print a warning
> > > and offload" is a solution closer to what we had before.
> > a warning here can be very noisy.
> Well, on normally-configured it should be ok. We don't commonly see
> printk problems... If it is too noisy, perhaps we should increase from
> 2 seconds, but I don't think it will be problem.
we are looking at different typical setups :) serial console being 45
seconds behind logbuf does not surprise me anymore.
That does sound like you're doing something wrong and should look at
reducing printk() more than anything else.