Hi,
I am just updating some systems from Fedora37 to Fedora39 using a fresh
install but using old /home etc.
Generally the systems are working, but I have a problem with SDDM and
NIS logins. We use the simple NIS (YP) system for user accounts on our
systems.
If I try and use SDDM to login with one of these accounts, the greeter
screen briefly disappears and appears again without any error message.
This is with either a Plasma(X11) or Plasma(Wayland) session.
A console/tty login with an NIS account is fine and using the kdm
session manager is also fine, it just seems to be SDDM.
Any ideas on how to debug this, there is no mention of where SDDM stores
its logs by I assume in /var/log/messages ?
I see the following SDDM related messages in /var/log/messages:
Jul 26 08:46:01 study sddm-helper-start-wayland[7467]:
"QSGContext::initialize: depth buffer support missing, expect rendering
errors\nQSGContext::initialize: stencil buffer support missing, expect
rendering errors\n"
Jul 26 08:46:43 study audit[7650]: USER_AUTH pid=7650 uid=0
auid=4294967295 ses=4294967295 msg='op=PAM:authentication
grantors=pam_unix,pam_gnome_keyring acct="terry"
exe="/usr/libexec/sddm-helper" hostname=? addr=? terminal=? res=success'
Jul 26 08:46:43 study audit[7650]: USER_ACCT pid=7650 uid=0
auid=4294967295 ses=4294967295 msg='op=PAM:accounting grantors=pam_unix
acct="terry" exe="/usr/libexec/sddm-helper" hostname=? addr=? terminal=?
res=success'
Jul 26 08:46:43 study audit[7650]: CRED_ACQ pid=7650 uid=0
auid=4294967295 ses=4294967295 msg='op=PAM:setcred
grantors=pam_unix,pam_gnome_keyring acct="terry"
exe="/usr/libexec/sddm-helper" hostname=? addr=? terminal=? res=success'
Jul 26 08:46:44 study audit[7650]: USER_START pid=7650 uid=0 auid=1002
ses=6 msg='op=PAM:session_open
grantors=pam_selinux,pam_loginuid,pam_selinux,pam_keyinit,pam_namespace,pam_keyinit,pam_limits,pam_unix,pam_gnome_keyring,pam_kwallet5,pam_umask,pam_lastlog
acct="terry" exe="/usr/libexec/sddm-helper" hostname=study.kingnet
addr=? terminal=/dev/tty4 res=success'
Jul 26 08:46:44 study sddm-helper[7650]: Starting X11 session:
"/usr/bin/X -nolisten tcp -background none -seat seat0 -noreset -keeptty
-novtswitch -verbose 3" "/etc/X11/xinit/Xsession
\"/usr/bin/startplasma-x11\""
Jul 26 08:46:44 study sddm-helper-start-x11user[7661]: QDir::mkpath:
Empty or null file name
Jul 26 08:46:44 study audit[7661]: ANOM_ABEND auid=1002 uid=1002
gid=1002 ses=6 pid=7661 comm="sddm-helper-sta"
exe="/usr/libexec/sddm-helper-start-x11user" sig=6 res=1
Jul 26 08:46:44 study sddm-helper-start-x11user[7661]: Failed to create
xauth file
Jul 26 08:46:44 study sddm-helper-start-wayland[7467]: Stopping...
"kwin_wayland"
Jul 26 08:46:44 study sddm-helper-start-wayland[7467]: "QtDBus: cannot
relay signals from parent QObject(0x563ec3f1c150 \"\") unless they are
emitted in the object's thread QThread(0x563ec3de6138
\"libinput-connection\"). Current thread is QThread(0x563ec3dab970 \"\").\n"
Jul 26 08:46:44 study systemd-coredump[7673]: Process 7661
(sddm-helper-sta) of user 1002 dumped core.#012#012Module
libpcre2-8.so.0 from rpm pcre2-10.42-1.fc39.2.x86_64#012Module
libicudata.so.73 from rpm icu-73.2-2.fc39.x86_64#012Module liblzma.so.5
from rpm xz-5.4.4-1.fc39.x86_64#012Module liblz4.so.1 from rpm
lz4-1.9.4-4.fc39.x86_64#012Module libcap.so.2 from rpm
libcap-2.48-9.fc39.x86_64#012Module libglib-2.0.so.0 from rpm
glib2-2.78.6-1.fc39.x86_64#012Module libzstd.so.1 from rpm
zstd-1.5.6-1.fc39.x86_64#012Module libpcre2-16.so.0 from rpm
pcre2-10.42-1.fc39.2.x86_64#012Module libicuuc.so.73 from rpm
icu-73.2-2.fc39.x86_64#012Module libicui18n.so.73 from rpm
icu-73.2-2.fc39.x86_64#012Module libdouble-conversion.so.3 from rpm
double-conversion-3.1.5-9.fc39.x86_64#012Module libz.so.1 from rpm
zlib-1.2.13-4.fc39.x86_64#012Module libsystemd.so.0 from rpm
systemd-254.14-1.fc39.x86_64#012Module libXau.so.6 from rpm
libXau-1.0.11-3.fc39.x86_64#012Module libQt5Core.so.5 from rpm
qt5-qtbase-5.15.13-2.fc39.x86_64#012Module sddm-helper-start-x11user
from rpm sddm-0.20.0-4.fc39.x86_64#012Stack trace of thread 7661:#012#0
0x00007f20622ae834 __pthread_kill_implementation (libc.so.6 +
0x90834)#012#1 0x00007f206225c8ee raise (libc.so.6 + 0x3e8ee)#012#2
0x00007f20622448ff abort (libc.so.6 + 0x268ff)#012#3 0x00007f20628b28dc
_ZNK14QMessageLogger5fatalEPKcz (libQt5Core.so.5 + 0xb28dc)#012#4
0x000055c02a25c124 _ZN4SDDM5XAuth5setupEv.cold
(sddm-helper-start-x11user + 0xa124)#012#5 0x000055c02a25ef6f main
(sddm-helper-start-x11user + 0xcf6f)#012#6 0x00007f206224614a
__libc_start_call_main (libc.so.6 + 0x2814a)#012#7 0x00007f206224620b
__libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x2820b)#012#8
0x000055c02a2604b5 _start (sddm-helper-start-x11user + 0xe4b5)#012ELF
object binary architecture: AMD x86-64
Jul 26 08:46:44 study audit[7650]: USER_END pid=7650 uid=0 auid=1002
ses=6 msg='op=PAM:session_close
grantors=pam_selinux,pam_loginuid,pam_selinux,pam_keyinit,pam_namespace,pam_keyinit,pam_limits,pam_unix,pam_gnome_keyring,pam_kwallet5,pam_umask,pam_lastlog
acct="terry" exe="/usr/libexec/sddm-helper" hostname=study.kingnet
addr=? terminal=/dev/tty4 res=success'
Jul 26 08:46:44 study audit[7650]: CRED_DISP pid=7650 uid=0 auid=1002
ses=6 msg='op=PAM:setcred grantors=pam_unix,pam_gnome_keyring
acct="terry" exe="/usr/libexec/sddm-helper" hostname=study.kingnet
addr=? terminal=/dev/tty4 res=success'
Jul 26 08:46:44 study audit[7452]: USER_END pid=7452 uid=0
auid=4294967295 ses=4294967295 msg='op=PAM:session_close
grantors=pam_unix,pam_systemd acct="sddm" exe="/usr/libexec/sddm-helper"
hostname=study.kingnet addr=? terminal=/dev/tty1 res=success'
Jul 26 08:46:44 study audit[7452]: CRED_DISP pid=7452 uid=0
auid=4294967295 ses=4294967295 msg='op=PAM:setcred grantors=pam_permit
acct="sddm" exe="/usr/libexec/sddm-helper" hostname=study.kingnet addr=?
terminal=/dev/tty1 res=success'
Jul 26 08:46:44 study sddm[7450]: Auth: sddm-helper exited with 6
Jul 26 08:46:44 study audit[7683]: USER_AUTH pid=7683 uid=0
auid=4294967295 ses=4294967295 msg='op=PAM:authentication
grantors=pam_permit acct="sddm" exe="/usr/libexec/sddm-helper"
hostname=? addr=? terminal=? res=success'
Jul 26 08:46:44 study audit[7683]: USER_ACCT pid=7683 uid=0
auid=4294967295 ses=4294967295 msg='op=PAM:accounting
grantors=pam_permit acct="sddm" exe="/usr/libexec/sddm-helper"
hostname=? addr=? terminal=? res=success'
Jul 26 08:46:44 study audit[7683]: CRED_ACQ pid=7683 uid=0
auid=4294967295 ses=4294967295 msg='op=PAM:setcred grantors=pam_permit
acct="sddm" exe="/usr/libexec/sddm-helper" hostname=? addr=? terminal=?
res=success'
Jul 26 08:46:44 study systemd-logind[1276]: New session c3 of user sddm.
Jul 26 08:46:44 study systemd[1]: Started session-c3.scope - Session c3
of User sddm.
Jul 26 08:46:44 study audit[7683]: USER_START pid=7683 uid=0
auid=4294967295 ses=4294967295 msg='op=PAM:session_open
grantors=pam_unix,pam_systemd acct="sddm" exe="/usr/libexec/sddm-helper"
hostname=study.kingnet addr=? terminal=/dev/tty1 res=success'
Jul 26 08:46:44 study sddm-helper-start-wayland[7686]: "No backend
specified, automatically choosing drm\n"
Jul 26 08:46:44 study sddm-helper-start-wayland[7686]: "OpenGL vendor
string: Intel\nOpenGL renderer string:
Mesa Intel(R) UHD Graphics 630 (CFL GT2)\nOpenGL version
string: 4.6 (Core Profile) Mesa 23.3.6\nOpenGL shading
language version string: 4.60\nDriver:
Intel\nGPU class: Coffee Lake\nOpenGL
version: 4.6\nGLSL
version: 4.60\nMesa
version: 23.3.6\nLinux kernel
version: 6.9.10\nRequires strict
binding: no\nGLSL shaders:
yes\nTexture NPOT support: yes\nVirtual
Machine: no\n"
Jul 26 08:46:44 study abrt-notification[7755]: Process 1808
(sddm-helper-start-x11user) crashed in qt_message_output(QtMsgType,
QMessageLogContext const&, QString const&) [clone .cold]()
Looks to be crash in sddm-helper-start-x11user ?
I also see: "sddm-helper-start-x11user[7661]: Failed to create xauth
file". Not sure if this is an issue or not (there are lots of
errors/warnings/notes in /var/log/messages these days :( )
Any ideas ?
--
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