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New: bootstrap stuck and no login prompt

Buildroot bugzilla at busybox.net 1 participant 4 messages Apr 23, 2020 – Apr 24, 2020

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https://bugs.busybox.net/show_bug.cgi?id=12811

Bug ID: 12811
Summary: bootstrap stuck and no login prompt
Product: buildroot
Version: 2020.02.1
Hardware: Other
OS: Linux
Status: NEW
Severity: major
Priority: P5
Component: Other
Assignee: unassigned at buildroot.uclibc.org
Reporter: cristovao.cordeiro at sixsq.com
CC: buildroot at uclibc.org
Target Milestone: ---

Hi guys,

Setup: RPi 3 B+

with 2020.02.1, I've simply make raspberrypi3_defconfig, make menuconfig - here I've just done some basic stuff like: use glibc, use systemd init, increase the fs image size, and installed docker-cli, docker-engine and open-ssh. Then make

Config: https://pastebin.com/q2qx4wNq

when booting my RPi 3B+, the last message on the splash screen is "IPv6:
ADDRCONF(NETDEV_UP): docker0: link is not read", and I cannot move from there.

there's no login prompt
and if I try to SSH remotely, it asks for password...even though I've left it default (should be none)

Any ideas?
Thanks in advance

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#1 lore raw

[Buildroot] [Bug 12811] bootstrap stuck and no login prompt

https://bugs.busybox.net/show_bug.cgi?id=12811

--- Comment #1 from Peter Seiderer <[email protected]> ---
- you switched the init system to systemd, needs a change of the kernel commandline (otherwise your get two gettys running on the serial console and none on the HDMI console):

diff -u cmdline.txt_orig cmdline.txt
--- cmdline.txt_orig
+++ cmdline.txt
@@ -1 +1 @@
-root=/dev/mmcblk0p2 rootwait console=tty1 console=ttyAMA0,115200 +root=/dev/mmcblk0p2 rootwait console=ttyAMA0,115200 console=tty1

- the default /etc/ssh/sshd_config contains the following lines:

#PermitRootLogin prohibit-password
#PermitEmptyPasswords no

your have to change it too

PermitRootLogin yes
PermitEmptyPasswords yes

to enable ssh root access without a password (make sure your rpi is only reachable via a private network)...

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#2 lore raw

[Buildroot] [Bug 12811] bootstrap stuck and no login prompt

In reply to bugzilla at busybox.net

https://bugs.busybox.net/show_bug.cgi?id=12811

--- Comment #2 from cjdc <[email protected]> --- Thanks. I naively assumed such changed would be done automatically.

It worked for the cmdline.txt.

For the openssh however, I assume that is a change that can only be done with post-scripts?

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#3 lore raw

[Buildroot] [Bug 12811] bootstrap stuck and no login prompt

In reply to bugzilla at busybox.net

https://bugs.busybox.net/show_bug.cgi?id=12811

Peter Seiderer <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #3 from Peter Seiderer <[email protected]> ---

Quoted 1 line

Thanks. I naively assumed such changed would be done automatically.

No..., buildroot is not about automatically customizing every possible selection of features..., just a starting point for your own project (see below and [1] for customize support)...

Quoted 1 line

It worked for the cmdline.txt.

Good news...

Quoted 1 line

For the openssh however, I assume that is a change that can only be done with post-scripts?

Yes, one of the many possibilities to customize your project, see [1] for alternatives...

Closing the bug (as it is not a bug, but a feature ;-)), feel free to turn to the mailing list for further questions/support...

[1] https://buildroot.org/downloads/manual/manual.html#rootfs-custom

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