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Re: Installation of openssh-client stops with error in groupadd

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	Hi.

On Mon, 25 Apr 2016 22:38:47 +0200
Michael Luecke <ml2016@mluecke.eu> wrote:

So, it all goes well, until it hits the wall:

>  > Please post the output of:
> ...
> 
> rename("/etc/group+", "/etc/group")     = -1 EBUSY (Device or resource busy)

And this is another thing that could be useful to the future searches
of the archives:

> # mount
...
> /dev/sda3 on / type btrfs (rw,noatime,ssd,space_cache)


> ++++++++++++++++++++++++++++++
> # dmesg | tail
...

Does not have any scary 'force mounting / read-only', so it should be
all good.


> # lsattr /etc/group
> ---------------- /etc/group

And no extended attributes (or SELinux, which is confirmed by strace
output) come into play.


So it all boils down to one failing syscall - rename(2). The manpage
does not cover such case - it talks about returning EBUSY if the source
or the target of rename are mountpoints (clearly not the case here).

So, let's start with something simple:

/bin/fuser /etc/group

/usr/bin/lsof /etc/group

Reco

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Installation of openssh-client stops with error in groupadd Michael Luecke <ml2016@mluecke.eu> - 2016-04-25 22:00 +0200
  Re: Installation of openssh-client stops with error in groupadd <tomas@tuxteam.de> - 2016-04-25 22:10 +0200
  Re: Installation of openssh-client stops with error in groupadd Reco <recoverym4n@gmail.com> - 2016-04-25 22:10 +0200
    Re: Installation of openssh-client stops with error in groupadd Reco <recoverym4n@gmail.com> - 2016-04-25 23:00 +0200
      Re: Installation of openssh-client stops with error in groupadd Michael Luecke <ml@mluecke.eu> - 2016-04-26 19:50 +0200
        Re: Installation of openssh-client stops with error in groupadd Reco <recoverym4n@gmail.com> - 2016-04-26 20:10 +0200
          Re: Installation of openssh-client stops with error in groupadd Michael Luecke <ml@mluecke.eu> - 2016-04-26 20:40 +0200
            Re: Installation of openssh-client stops with error in groupadd Reco <recoverym4n@gmail.com> - 2016-04-26 21:00 +0200
              Re: Installation of openssh-client stops with error in groupadd Michael Luecke <lists-2016@mluecke.eu> - 2016-04-26 21:10 +0200
                Re: Installation of openssh-client stops with error in groupadd Michael Luecke <ml@mluecke.eu> - 2016-04-27 20:40 +0200

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