[SOLVED] /bin/bash command not find, strange behavior of passwd , kworker is dying after start

igadoter · 01-26-2015, 04:33 AM

Hi,
I finished LFS 7.6 book, system is bootable, but after login as root (on real lfs) I got message

Code:

lfs login: root
Cannot execute /bin/bash : No such file or directory

and I am loged out. Moreover after 20 or 30 sec. It appears message

Quote:

kworker is dying

and login prompt disappears completely, but system is responsive, after ctrlaltdel it shutdowns cleanly. To try to handle these issues I chrooted form host build system, now as (ch)root

Code:

 
root:/# su
Cannot execute /bin/bash : No such file or directory

so 'su' has the same issue. This is happening only with root account. I've created users piotr, barbara and

Code:

barbara $ su piotr

works fine but

Code:

barbara $ su 
Cannot execute /bin/bash : No such file or directory

From /etc/passwd

Code:

root:x:0:0:root:/root:/bin/bash 
bin:x:1:1:bin:/dev/null:/bin/false
daemon:x:6:6:Daemon User:/dev/null:/bin/false
messagebus:x:18:18:D-Bus Message Daemon User:/var/run/dbus:/bin/false
nobody:x:99:99:Unprivileged User:/dev/null:/bin/false

The path in chroot environment is set to

Code:

root:/# echo $PATH
/bin:/usr/bin:/sbin:/usr/sbin

veerain · 01-26-2015, 08:16 AM

You have not then installed bash. Install it again.

Check whether you have installed it in /tools/bin. If so make a symlink from there to /bin.

Code:

ln -s /tools/bin/bash /bin/bash

Keith Hedger · 01-26-2015, 09:27 AM

Quote:

Originally Posted by veerain

You have not then installed bash. Install it again.

Check whether you have installed it in /tools/bin. If so make a symlink from there to /bin.

Code:

ln -s /tools/bin/bash /bin/bash

No!
If you are in the new booted LFS, /tools is no longer needed and should NOT be referenced, you should remove it ( it's a good idea to keep a copy of it so that you don't have to rebuild the tool chain all the time ), your new LFS should have bash in /bin/bash make sure it was installed as veerain said.

igadoter · 01-26-2015, 11:39 AM

I don't know the cause of such strange behavior. But I fixed this with 'chsh' (change shell) command, as chroot

Code:

root/# chsh -s /bin/bash root

There is no problem now. Out of that everything was fine, there is /bin/bash, all entries in /etc/passwd are ok. This is issue concerning 'shadow' package. I hope this solution might be helpful for others.

EmaRsk · 01-27-2015, 04:08 AM

Maybe there was an extra space after "/bin/bash" in your /etc/passwd ?
There is one in your copy-paste, and in your error messages before the ":".