linux-kernel - Re: [!GIT PULL] kdbus for 4.2

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Date:	Fri, 3 Jul 2015 08:27:06 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Richard Weinberger <richard.weinberger@...il.com>
Cc:	David Herrmann <dh.herrmann@...il.com>,
	Andy Lutomirski <luto@...capital.net>,
	Tom Gundersen <teg@...m.no>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Jiri Kosina <jkosina@...e.cz>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Daniel Mack <daniel@...que.org>,
	Djalal Harouni <tixxdz@...ndz.org>
Subject: Re: [!GIT PULL] kdbus for 4.2

On Fri, Jul 03, 2015 at 10:53:57AM +0200, Richard Weinberger wrote:
> On Fri, Jul 3, 2015 at 10:43 AM, David Herrmann <dh.herrmann@...il.com> wrote:
> > Hi
> >
> > On Fri, Jul 3, 2015 at 2:39 AM, Andy Lutomirski <luto@...capital.net> wrote:
> >> Problem 1: Booting a kdbus-enabled kernel (CONFIG_KDBUS=y) causes gdm
> >> to bail saying "oops, something went wrong" or whatever the useless
> >> standard error message is.
> >>
> >> I can work around problem 1 by booting with kdbus=1, but that's not
> >> okay.  Unless this is limited to just some narrow range of Rawhide
> >> versions, I don't think the kernel gets to make changes that break
> >> userspace like that.  Maybe this is a kernel issue, not a user issue,
> >> in which case it's not a big deal as long as it gets fixed.
> >
> > You're saying booting with the same kernel but kdbus not compiled in works?
> >
> >> Problem 2: Running 'sudo mount /mnt/share' from a terminal hangs the
> >> whole graphical session hard.  This is repeatable.  /mnt/share is
> >> virtfs, but I doubt that matters.
> >
> > This is triggered by running through pam from outside the gfx-session
> > but on a shared VT. It's not directly related to kdbus, though. It's
> > fixed in systemd-git. As a workaround, you can remove pam_systemd from
> > the sudo/su pam config.
> 
> Just because I'm starring right now at similar issues, how can I run
> systemd-git?
> I fear to use a plain "make && make install" as I don't want to break my
> distro's package management and I want to make sure that nothing from the
> currently installed systemd influences the system.

Use your distro's package management system to build a new systemd
package  based on just adding the single big patch diff from the last
release to the git head, or pick individual ones.  But really, this
isn't a kernel issue, you know how to build userspace distro packages...

greg k-h
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