[systemd-devel] How to debug this strange issue about "systemd"?

[Colin Guthrie]

Andrei Borzenkov wrote on 17/07/15 10:22:
> On Fri, Jul 17, 2015 at 12:18 PM, Colin Guthrie <colin at mageia.org> wrote:
>> sean wrote on 17/07/15 09:33:
>>> On Fri, 2015-07-17 at 06:55 +0300, Andrei Borzenkov wrote:
>>>> В Wed, 15 Jul 2015 23:03:02 +0800
>>>> sean <xrfu at suse.com> пишет:
>>>>
>>>>> Hi All:
>>>>>     I am trying to test the latest upstream kernel, But i encounter a strange issue about systemd.
>>>>> When the "systemd" extracted from initrd image mounts the real root file system "hda.img" on "/sysroot" and changes root to the new directory,  it can not found "/sbin/init" and "/bin/sh".
>>>>> In fact, These two files exist in the "hda.img".
>>>>> How to debug this issue?
>>>>> Why does not it enter emergency mode?
>>>>> If enter emergency mode, maybe this issue become easy.
>>>>>
>>>>
>>>> You can stop in dracut just before switch root step and examine
>>>> environment. At this point root should already be mounted.
>>> Thanks very much!
>>> How to stop the booting process before switch root?
>>
>> See "man dracut" and the "Debugging dracut" section. Also see "man
>> dracut.cmdline" and the "rd.break" bits.
>>
> 
> Was it not man dracut.kernel?

dracut.kernel == dracut.cmdline here (the latter seems to be the
preferred name as it's the title in the manpage) and indeed:

lrwxrwxrwx 1 root root 19 Jun  5 17:11
/usr/share/man/man7/dracut.kernel.7.xz -> dracut.cmdline.7.xz

:)

Col





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Colin Guthrie
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