i just posted a message about this... (sorry, i've seen now this thread)

as i said there, there's also a problem with unlocking (so, pam related, i
assume ?)
via console su and sudo worked like a charm (i've got error messages about
cpufreq and backlight too)

could the problem be related to some new sh**y systemd operation????
i saw that also using wayland, i coulnd't access halt/reboot/suspend menu
items too (this happens to me also with previous kernels)


On Thu, May 4, 2017 at 6:19 AM, Carsten Haitzler <[email protected]>
wrote:

> On Thu, 04 May 2017 11:09:13 +0900 <[email protected]> said:
>
> > Hi,
> >
> > Carsten Haitzler (The Rasterman) <[email protected]> wrote:
> >
> > > On Wed, 3 May 2017 12:09:21 +0900 Florian Schaefer <[email protected]>
> said:
> >
> > > > Hi!
> > > >
> > > > On 03.05.2017 10:04, Carsten Haitzler (The Rasterman) wrote:
> > > > > On Tue, 02 May 2017 21:16:40 +0900 [email protected] said:
> > > > >
> > > > >> Hi,
> > > > >>
> > > > >> I got the source of kernel 4.11, then comipled, and check the
> > > > >> behaviour of enlightenment (efl 1.18.1, enlightment 0.21.7).
> > > > >>
> > > > >> At the start up of enlightenment, I got an error message;
> > > > >>
> > > > >>  There was an error trying to set the cpu power state setting via
> the
> > > > >>  module's setfreq utility.
> > > > >>
> > > > >> On the kernel 4.10.x, I never see such a message.
> > > > >>
> > > > >> And, I tried to use su and sudo command in the terminal, I got a
> > > > >> strange message;
> > > > >>
> > > > >> fulwood@linux-uw5l:~> sudo
> > > > >> sudo: effective uid is not 0, is sudo installed setuid root
> > > > >>
> > > > >> fulwood@linux-uw5l:~> su
> > > > >> Password:
> > > > >> su: incorrect password
> > > > >>
> > > > >> This means, there is a problem concerning uid treatment in the
> > > > >> enlightenment, doesn't it.
> > > > >>
> > > > >> Moreover, VirtualBox indicate the problem of enlightenment
> directly;
> > > > >>
> > > > >> fulwood@linux-uw51:~> VirtualBox
> > > > >>
> > > > >> VirtualBox: Error -10 in SUPRHardenedMain!
> > > > >> VirtualBox: Effective UID is not root (euid=1000, egid=100,
> uid=1000,
> > > > >>             gid=100)
> > > > >> VirtualBox: Tip! It may help to reintall VirtualBox.
> > > > >>
> > > > >> Why does uid=1000?
> > > > >
> > > > > that's a common uid to start with for users added to a system -
> first
> > > > > user added commonly is uid 1000... that's probably ... you.
> > > > >
> > > > >> So, we can't use enlightenment on the kernel 4.11.
> > > > >
> > > > > from the above it seems like since you compiled your own kernel it
> > > > > seemingly has disabled setuid root binaries. i assume this is some
> new
> > > > > feature of kernels since 4.11 that has been turned on. i suggest
> you
> > > > > turn it off to allow them again. your kernel broke far more than
> > > > > enlightenment. it broke sudo. probably even broke su. it broke
> > > > > virtualbox... it broke stuff. what that option is - i don't know.
> this
> > > > > is news to me.
> > > >
> > > > Just for the record I'd like to add that I observe the same behavior.
> > > >
> > > > Since switching from 4.9 to 4.11 yesterday I cannot do suid requiring
> > > > operations (like su or mount.cifs) from within E (using terminology
> or
> > > > xterm) any more. Interestingly, if I am right at the console (so no
> Xorg
> > > > and e in-between) all those commands work like a charm.
> > > >
> > > > I could not find any setuid related option in the kernel
> configuration
> > > > so I cannot really imagine where it is misconfigured.
> >
> > > it'll likely be some security option that ends up doing this for child
> > > processes ... whatever/however it is... but its certainly a change in
> the
> > > kernel and "security options" of some sort.
> >
> > But, why the kernel's change has an impact on enlightenment only?
> > On e16 and kde-plasma, no impact.
>
> neither controls cpu frequency/governor or don't use setuid root binaries
> or
> they come from packages with specific selinux rules to allow setuid root
> binaries... or something. but it's a kernel change that creates the issue.
> what
> - i don't know. ask your friendly neighbourhood kernel developer. the
> setuid
> root binaries are specifically erroring out unable to assume root privs
> where
> they could before.
>
>
> --
> ------------- Codito, ergo sum - "I code, therefore I am" --------------
> The Rasterman (Carsten Haitzler)    [email protected]
>
>
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