On Mon, Jul 24, 2023 at 08:23:55AM +0200, David Hildenbrand wrote: > Hi, > > > > > I met this too when I executed below command to trigger a kcore reading. > > I wanted to do a simple testing during system running and got this. > > > > makedumpfile --mem-usage /proc/kcore > > > > Later I tried your above objdump testing, it corrupted system too. > > > > What do you mean with "corrupted system too" -- did it not only fail to > dump the system, but also actually harmed the system? > > @Lorenzo do you plan on reproduce + fix, or should we consider reverting > that change? > > -- > Cheers, > > David / dhildenb > Apologies I mised this, I have been very busy lately not least with book :) Concerning, I will take a look as I get a chance. I think the whole series would have to be reverted which would be... depressing... as other patches in series eliminates the bounce buffer altogether.