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fbcyborg
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PostPosted: Sat Feb 06, 2016 4:32 pm    Post subject: KDE: unable to log in using KDM Reply with quote

Hi all,

I've just performed a fresh Gentoo install on a Virtual Machine, using KDE + KDM.
Unfortunately, I am not able to login using my credentials whenever the KDM login form appears. The command line authentication works.

I have noticed that /var/log/auth.log contains this:
Code:
Jan 24 13:56:49 GentooVBox kdm: :0[2139]: pam_unix(kde:auth): authentication failure; logname= uid=0 euid=0 tty=:0 ruser= rhost=  user=fbcyborg


Strangely, my host system (Gentoo Linux also) doesn't have such a file. I don't understand if this could depend on the installation profile. I can see nothing strange within the pam configuration file.

What could be the problem? Is there any other log file to check?
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[HOWTO] Come criptare la /home usando cryptsetup e luks
[HOWTO] Abilitare il supporto al dom0 XEN su kernel 3.X
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asturm
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PostPosted: Sat Feb 06, 2016 8:34 pm    Post subject: Reply with quote

emerge --info?
Which profile did you choose?
What version of KDE did you emerge?
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fbcyborg
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PostPosted: Sun Feb 07, 2016 11:52 am    Post subject: Reply with quote

Hi!

this is emerge --info:
Code:
Portage 2.2.26 (python 3.4.3-final-0, default/linux/amd64/13.0/desktop/kde, gcc-4.9.3, glibc-2.21-r1, 4.1.12-gentoo x86_64)
=================================================================
System uname: Linux-4.1.12-gentoo-x86_64-Intel-R-_Core-TM-_i7-2620M_CPU_@_2.70GHz-with-gentoo-2.2
KiB Mem:      759552 total,    513800 free
KiB Swap:     524284 total,    524284 free
Timestamp of repository gentoo: Sun, 31 Jan 2016 20:00:01 +0000
sh bash 4.3_p42-r1
ld GNU ld (Gentoo 2.25.1 p1.1) 2.25.1
app-shells/bash:          4.3_p42-r1::gentoo
dev-lang/perl:            5.20.2::gentoo
dev-lang/python:          2.7.10-r1::gentoo, 3.4.3-r1::gentoo
dev-util/cmake:           3.3.1-r1::gentoo
dev-util/pkgconfig:       0.28-r2::gentoo
sys-apps/baselayout:      2.2::gentoo
sys-apps/openrc:          0.18.4::gentoo
sys-apps/sandbox:         2.6-r1::gentoo
sys-devel/autoconf:       2.13::gentoo, 2.69::gentoo
sys-devel/automake:       1.14.1::gentoo, 1.15::gentoo
sys-devel/binutils:       2.25.1-r1::gentoo
sys-devel/gcc:            4.9.3::gentoo
sys-devel/gcc-config:     1.7.3::gentoo
sys-devel/libtool:        2.4.6::gentoo
sys-devel/make:           4.1-r1::gentoo
sys-kernel/linux-headers: 3.18::gentoo (virtual/os-headers)
sys-libs/glibc:           2.21-r1::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000

x-portage
    location: /usr/local/portage
    masters: gentoo
    priority: 0

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=core2 -O2 -pipe -fomit-frame-pointer"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-march=core2 -O2 -pipe -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="--quiet-build=y"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://ftp.uni-erlangen.de/pub/mirrors/gentoo http://mirror.netcologne.de/gentoo/ http://ftp.halifax.rwth-aachen.de/gentoo/"
LANG="en_US.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
USE="X a52 aac acl acpi alsa amd64 berkdb bindist bluetooth branding bzip2 cairo cdda cdr cli consolekit cracklib crypt cups cxx dbus declarative dri dts dvd dvdr emboss encode exif fam firefox flac fortran gdbm gif glamor gpm iconv ipv6 jpeg kde kipi lcms ldap libnotify mad mmx mmxext mng modules mp3 mp4 mpeg multilib ncurses nls nptl ogg opengl openmp pam pango pcre pdf phonon plasma png policykit ppds qt3support readline sdl seccomp semantic-desktop session spell sse sse2 ssl startup-notification svg tcpd tiff truetype udev udisks unicode upower usb vorbis wxwidgets x264 xattr xcb xcomposite xinerama xml xscreensaver xv xvid zlib" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_4" RUBY_TARGETS="ruby20 ruby21" USERLAND="GNU" VIDEO_CARDS="fbdev glint intel mach64 mga nouveau nv r128 radeon savage sis tdfx trident vesa via vmware dummy v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON


The profile I used is default/linux/amd64/13.0/desktop/kde.

The KDE version is: 4.14.3.

Thanks
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[HOWTO] Come criptare la /home usando cryptsetup e luks
[HOWTO] Abilitare il supporto al dom0 XEN su kernel 3.X
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asturm
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PostPosted: Sun Feb 07, 2016 12:17 pm    Post subject: Reply with quote

Which (meta?) package did you use to install KDE?

Please check:
Code:
$ ls -l /etc/pam.d/kde*
$ equery l -i kdebase-pam kcheckpass


Any other flags you possibly set in /etc/portage/package.use?
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fbcyborg
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PostPosted: Sun Feb 07, 2016 1:48 pm    Post subject: Reply with quote

I emerged KDE using kdebase-meta.

Code:
# ls -l /etc/pam.d/kde*
-rw-r--r-- 1 root root 226 Jan 23 12:45 /etc/pam.d/kde
-rw-r--r-- 1 root root 217 Jan 23 12:45 /etc/pam.d/kde-np


Code:
# equery l -i kdebase-pam kcheckpass
 * Searching for kdebase-pam ...
[IP-] [  ] kde-base/kdebase-pam-9:0

 * Searching for kcheckpass ...
[IP-] [  ] kde-base/kcheckpass-4.11.19:4/4.11


Code:
/etc/portage/package.use/iputils
net-misc/iputils -caps -filecaps
>=dev-libs/libdbusmenu-qt-0.9.3_pre20140619-r1 qt4
>=media-libs/phonon-4.7.2 qt4
>=app-crypt/qca-2.1.0.3 qt4
>=media-libs/phonon-vlc-0.7.2 qt4
>=sys-auth/polkit-qt-0.112.0-r1 qt4
>=app-office/akonadi-server-1.13.0-r2 qt4
>=app-text/poppler-0.32.0 qt4
>=media-libs/mesa-11.0.6 xa
>=x11-libs/libdrm-2.4.65 libkms

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[HOWTO] Come criptare la /home usando cryptsetup e luks
[HOWTO] Abilitare il supporto al dom0 XEN su kernel 3.X
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asturm
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PostPosted: Mon Feb 08, 2016 12:10 pm    Post subject: Reply with quote

I'm a bit at a loss there, have you followed the guide and configured the services?

https://wiki.gentoo.org/wiki/KDE#Services

What happens if you try with e.g. startx or lightdm-gtk?
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fbcyborg
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PostPosted: Mon Feb 08, 2016 10:38 pm    Post subject: Reply with quote

Yes,

I've followed the guide and double checked again.
About services:

Quote:
D-bus

OK, up and running (default runlevel)
Quote:
polkit

I don't find any /etc/init.d/polkit file neither in the guest OS nor in the host.
Quote:
udev

Up and running
Quote:
udisks

I don't see any /etc/init.d/udisks file (same in the host system)

startx as an user gives me this: http://imgur.com/dVEa5gb
No lightdm-gtk installed.
$DISPLAY is not set or cannot connect to the X server.

If I try startkde now I get:


One strange thing i see during the boot:
/dev/xconsole: no such file or directory
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[HOWTO] Come criptare la /home usando cryptsetup e luks
[HOWTO] Abilitare il supporto al dom0 XEN su kernel 3.X
Help answer the unanswered
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fbcyborg
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Posts: 3056
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PostPosted: Sun Feb 14, 2016 3:06 pm    Post subject: Reply with quote

Hi,

I've followed again what is told here and here.
I really do not understand why this is still happening. The only strange thing I can see is the difference between the host and the guest operating systems: /var/log directory contains the auth.log file in the faulty system. Such file is not present on my host fully working operating Gentoo Linux System.

Who is the owner of such file? Who writes into it?
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[HOWTO] Come criptare la /home usando cryptsetup e luks
[HOWTO] Abilitare il supporto al dom0 XEN su kernel 3.X
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