Hi.
On Mon, 25 Apr 2016 22:38:47 +0200
Michael Luecke <ml2...@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
