Re: Regression with a0747a859ef6 ("bdi: add error handle for bdi_debug_register")

[weiping zhang]

2017-12-21 23:36 GMT+08:00 Bruno Wolff III <bruno@xxxxxxxx>:
> On Thu, Dec 21, 2017 at 23:31:40 +0800,
>  weiping zhang <zwp10758@xxxxxxxxx> 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.