On 12/21/17 9:42 AM, Bruno Wolff III wrote: > On Thu, Dec 21, 2017 at 23:48:19 +0800, > weiping zhang <zwp10758@xxxxxxxxx> wrote: >>> output you want. I never saw it for any kernels I compiled myself. Only when >>> I test kernels built by Fedora do I see it. >> see it every boot ? > > I don't look every boot. The warning gets scrolled of the screen. Once I see > the CPU hang warnings I know the boot is failing. I don't always look > at journalctl later to see what's there. I'm going to revert a0747a859ef6 for now, since we're now 8 days into this and no progress has been made on fixing it. -- Jens Axboe