vasek
А зачем вообще нужно это gksu??? Какой от него прок? Если без него все нормально, то и не используй его. Разве не достаточно mc?

Gkr-Message: received an invalid, unencryptable, or non-utf8 secret
Gkr-Message: call to daemon returned an invalid response: (null).(null)()
Gkr-Message: secret service operation failed: The secret was transferred or encrypted in an invalid way.

cat /etc/pacman.d/mirrorlist
## United Kingdom
Server = http://mirror.bytemark.co.uk/archlinux/$repo/os/$arch
Server = http://mirror.cinosure.com/archlinux/$repo/os/$arch
Server = http://mirrors.manchester.m247.com/arch-linux/$repo/os/$arch
Server = http://www.mirrorservice.org/sites/ftp.archlinux.org/$repo/os/$arch
Server = http://arch.serverspace.co.uk/arch/$repo/os/$arch
Server = http://archlinux.mirrors.uk2.net/$repo/os/$arch

## United States
Server = http://mirrors.abscission.net/archlinux/$repo/os/$arch
Server = http://mirrors.acm.wpi.edu/archlinux/$repo/os/$arch
Server = http://mirrors.advancedhosters.com/archlinux/$repo/os/$arch
Server = http://mirrors.aggregate.org/archlinux/$repo/os/$arch
Server = http://archlinux.surlyjake.com/archlinux/$repo/os/$arch
Server = http://mirrors.cat.pdx.edu/archlinux/$repo/os/$arch
Server = http://mirror.cc.columbia.edu/pub/linux/archlinux/$repo/os/$arch
Server = http://mirrors.cdndepo.com/archlinux/$repo/os/$arch
Server = http://mirrors.cecsresearch.org/archlinux/$repo/os/$arch
Server = http://cosmos.cites.illinois.edu/pub/archlinux/$repo/os/$arch
Server = http://mirror.cs.pitt.edu/archlinux/$repo/os/$arch
Server = http://mirror.es.its.nyu.edu/archlinux/$repo/os/$arch
Server = http://mirrors.gigenet.com/archlinux/$repo/os/$arch
Server = http://mirror.grig.io/archlinux/$repo/os/$arch
Server = http://www.gtlib.gatech.edu/pub/archlinux/$repo/os/$arch
Server = http://mirror.ancl.hawaii.edu/linux/archlinux/$repo/os/$arch
Server = http://mirror.jmu.edu/pub/archlinux/$repo/os/$arch
Server = http://mirrors.kernel.org/archlinux/$repo/os/$arch
Server = http://mirror.us.leaseweb.net/archlinux/$repo/os/$arch
Server = http://mirrors.liquidweb.com/archlinux/$repo/os/$arch
Server = http://arch.localmsp.org/arch/$repo/os/$arch
Server = http://lug.mtu.edu/archlinux/$repo/os/$arch
Server = http://mirror.metrocast.net/archlinux/$repo/os/$arch
Server = http://mirror.nexcess.net/archlinux/$repo/os/$arch
Server = http://ftp.osuosl.org/pub/archlinux/$repo/os/$arch
Server = http://archlinux.pallissard.net/archlinux/$repo/os/$arch
Server = http://mirror.rit.edu/archlinux/$repo/os/$arch
Server = http://mirrors.rutgers.edu/archlinux/$repo/os/$arch
Server = http://mirror.umd.edu/archlinux/$repo/os/$arch
Server = http://mirror.vtti.vt.edu/archlinux/$repo/os/$arch
Server = http://mirrors.xmission.com/archlinux/$repo/os/$arch
Server = http://mirror.yellowfiber.net/archlinux/$repo/os/$arch

:: Synchronising package databases...
 core                                           121.3 KiB   172K/s 00:01 [########################################] 100%
 extra                                         1826.6 KiB   982K/s 00:02 [########################################] 100%
 community                                        2.6 MiB  1286K/s 00:02 [########################################] 100%
 archlinuxfr                                     20.1 KiB  1005K/s 00:00 [########################################] 100%
:: Starting full system upgrade...
 there is nothing to do

pacman -Si cairo
Repository     : extra
Name           : cairo
Version        : 1.14.2-1
Description    : Cairo vector graphics library
Architecture   : x86_64
URL            : http://cairographics.org/
Licences       : LGPL  MPL
Groups         : None
Provides       : cairo-xcb
Depends On     : libpng  libxrender  libxext  fontconfig  pixman>=0.28.0  glib2  mesa  libgl  lzo
Optional Deps  : None
Conflicts With : None
Replaces       : cairo-xcb
Download Size  : 719.83 KiB
Installed Size : 3527.00 KiB
Packager       : Andreas Radke <[email protected]>
Build Date     : Wed 11 Mar 2015 18:49:08 GMT
Validated By   : MD5 Sum  SHA256 Sum  Signature

pacman -Si gksu
Repository     : extra
Name           : gksu
Version        : 2.0.2-5
Description    : A graphical frontend for su
Architecture   : x86_64
URL            : http://www.nongnu.org/gksu/index.html
Licences       : GPL
Groups         : None
Provides       : None
Depends On     : libgksu>=2.0.12  xorg-xauth
Optional Deps  : None
Conflicts With : None
Replaces       : None
Download Size  :  17.89 KiB
Installed Size :  75.00 KiB
Packager       : Felix Yan <[email protected]>
Build Date     : Tue 01 Jul 2014 17:34:28 BST
Validated By   : MD5 Sum  SHA256 Sum  Signature

pacman -Si libgksu
Repository     : extra
Name           : libgksu
Version        : 2.0.12-6
Description    : gksu authorization library
Architecture   : x86_64
URL            : http://www.nongnu.org/gksu/index.html
Licences       : GPL
Groups         : None
Provides       : None
Depends On     : gconf  gtk2  libgnome-keyring  libgtop  startup-notification
Optional Deps  : None
Conflicts With : None
Replaces       : None
Download Size  :  70.52 KiB
Installed Size : 556.00 KiB
Packager       : Felix Yan <[email protected]>
Build Date     : Sat 17 May 2014 05:42:31 BST
Validated By   : MD5 Sum  SHA256 Sum  Signature

nano ~/.config/openbox/rc.xml

<application class="Firefox">
      <decor>no</decor>
    </application>

gksu gparted
======================
libparted : 3.2
======================
gpartedbin: cairo-scaled-font.c:459: _cairo_scaled_glyph_page_destroy: Assertion `!scaled_font->cache_frozen' failed.
/usr/bin/gparted: line 179:  5018 Aborted                 (core dumped) $BASE_CMD