On 05/31/2017 10:03 PM, Cedric BAIL wrote:
Hello,

On Wed, May 31, 2017 at 9:27 PM, eric <eri...@cox.net> wrote:
I came across an issue last week on a laptop with Arch Linux and
enlightenment from the Arch repo's.

I am running enlightenment 21.3 with efl 1.18.4.3 and the linux kernel
4.11.2-1-ARCH x86_64.

On the last update I opened a terminal and used the su command and then
updated Arch with pacman -Syu.  This did not update enlightenment or eff but
a few other applications which I do not remember.  After a reboot I lost the
ability to use the su command from the terminal.

I can drop to a terminal using ALT-CNTR-F3 and log in as a user and use the
su command.

I can log in using KDE plasma and use the su command in a terminal.

I just can not su while under enlightenment desktop.  In a terminal under
enlightenment I get:

[eric@home ~]$ su
Password:
su:  Authentication failure

I had first thought it was a misspelling but that was not the case.  I also
tried with a different user.

I am guessing that a module or service is not being loaded or I corrupted
something but do not know where to look.

I will probably re-install Arch tomorrow as I am at a loss.

If anyone can help I will sure appreciate it.

This is a known bug in Linux Kernel itself. There is a patch getting
backported to the next stable release. Best solution at this time is
to just go back to Linux 4.10. No need to re-install.

Cedric

OK,

Thank you for the information.

Eric


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