2017-12-21 23:36 GMT+08:00 Bruno Wolff III <br...@wolff.to>: > On Thu, Dec 21, 2017 at 23:31:40 +0800, > weiping zhang <zwp10...@gmail.com> wrote: >> >> does every time boot fail can trigger WANRING in device_add_disk ? > > > Not that I see. But the message could scroll off the screen. The boot gets > far enough that systemd copies over dmesg output to permanent storage that I > can see on my next successful boot. That's where I looked for the warning > 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 just tried booting to single user and the boot still hangs. > > When I build the kernels, the compiler options are probably a bit different > than when Fedora does. That might affect what happens during boot.
