Hello,
My system is an up-to-date Debian Sid AMD64.
For some time sddm no longer starts correctly black screen, after research on
the net reporting the same problem I analyzed the systemd logs and I
discovered the following message :
sddm-helper exited with 6,
to normally open a greeter session in reading on the net always I opened a
console session because CTL+ALT Fn and launch under the root user the command
systemctl restart sddm
and it works all the time, it's still surprising. My question is there a
method to have a more explicit log than exited with 6, an idea is that systemd
would not launch too early sddm pam not being ready. The problem happened all
of a sudden without there having been a modification to the system before.
Another information sddm started normally twice the rest of the time I am
forced to do the following commands as indicated above.
Here the systemd log:
At Boot :
sept. 24 10:34:56 portable sddm[939]: Initializing...
sept. 24 10:34:56 portable sddm[939]: Starting...
sept. 24 10:34:56 portable sddm[939]: Logind interface found
sept. 24 10:34:56 portable sddm[939]: Adding new display on vt 7 ...
sept. 24 10:34:56 portable sddm[939]: Loading theme configuration from ""
sept. 24 10:34:56 portable sddm[939]: Display server starting...
sept. 24 10:34:56 portable sddm[939]: Adding cookie to "/var/run/sddm/
{e9d9829b-34fc-4bde-a532-3041e1798bd1}"
sept. 24 10:34:56 portable sddm[939]: Running: /usr/bin/X -dpi 0 -auth /var/
run/sddm/{e9d9829b-34fc-4bde-a532-3041e1798bd1} -background none -noreset -
displayfd 17 -seat seat0 vt7
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Setting default cursor
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Running display setup script "/
usr/share/sddm/scripts/Xsetup"
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Display server started.
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Socket server starting...
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Socket server started.
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Loading theme configuration from
"/usr/share/sddm/themes/debian-breeze/theme.conf"
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Greeter starting...
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm-helper[1677]: [PAM] Starting...
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm-helper[1677]: [PAM] Authenticating...
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm-helper[1677]: [PAM] returning.
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm-helper[1677]: pam_unix(sddm-
greeter:session): session opened for user sddm(uid=130) by (uid=0)
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Greeter session started
successfully
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm-helper[1677]: [PAM] Closing session
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm-helper[1677]: [PAM] Ended.
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm-helper[1677]: pam_unix(sddm-
greeter:session): session closed for user sddm
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Auth: sddm-helper exited with 6
sept. 24 10:34:58 MiWiFi-R4CM-srv sddm[939]: Greeter stopped.
............
log after command :
systemctl restart sddm
sept. 24 10:35:46 MiWiFi-R4CM-srv sddm[2598]: Initializing...
sept. 24 10:35:46 MiWiFi-R4CM-srv sddm[2598]: Starting...
sept. 24 10:35:46 MiWiFi-R4CM-srv sddm[2598]: Logind interface found
sept. 24 10:35:46 MiWiFi-R4CM-srv sddm[2598]: Adding new display on vt 7 ...
sept. 24 10:35:46 MiWiFi-R4CM-srv sddm[2598]: Loading theme configuration from
""
sept. 24 10:35:46 MiWiFi-R4CM-srv sddm[2598]: Display server starting...
sept. 24 10:35:46 MiWiFi-R4CM-srv sddm[2598]: Adding cookie to "/var/run/sddm/
{c6053f27-4028-4f84-b9ad-bc107cff1044}"
sept. 24 10:35:46 MiWiFi-R4CM-srv sddm[2598]: Running: /usr/bin/X -dpi 0 -auth
/var/run/sddm/{c6053f27-4028-4f84-b9ad-bc107cff1044} -background none -noreset
-displayfd 17 -seat seat0 vt7
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm[2598]: Setting default cursor
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm[2598]: Running display setup script "/
usr/share/sddm/scripts/Xsetup"
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm[2598]: Display server started.
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm[2598]: Socket server starting...
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm[2598]: Socket server started.
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm[2598]: Loading theme configuration from
"/usr/share/sddm/themes/debian-breeze/theme.conf"
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm[2598]: Greeter starting...
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm-helper[2613]: [PAM] Starting...
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm-helper[2613]: [PAM] Authenticating...
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm-helper[2613]: [PAM] returning.
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm-helper[2613]: pam_unix(sddm-
greeter:session): session opened for user sddm(uid=130) by (uid=0)
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm[2598]: Greeter session started
successfully
sept. 24 10:35:47 MiWiFi-R4CM-srv sddm[2598]: Message received from greeter:
Connect
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm[2598]: Message received from greeter:
Login
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm[2598]: Reading from "/usr/share/
xsessions/plasma.desktop"
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm[2598]: Reading from "/usr/share/
xsessions/plasma.desktop"
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm[2598]: Session "/usr/share/xsessions/
plasma.desktop" selected, command: "/usr/bin/startplasma-x11"
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]: [PAM] Starting...
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]: [PAM] Authenticating...
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]:
pam_succeed_if(sddm:auth): requirement "user ingroup nopasswdlogin" not met by
user "philippe"
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]: [PAM] Preparing to
converse...
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]: [PAM] Conversation with 1
messages
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]: gkr-pam: unable to locate
daemon control file
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]: gkr-pam: stashed password
to try later in open session
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]: [PAM] returning.
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]: pam_kwallet5(sddm:auth):
pam_kwallet5: pam_sm_authenticate
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm[2598]: Authenticated successfully
sept. 24 10:36:04 MiWiFi-R4CM-srv sddm-helper[2692]:
pam_kwallet5(sddm:setcred): pam_kwallet5: pam_sm_setcred
sept. 24 10:36:05 MiWiFi-R4CM-srv sddm[2598]: Auth: sddm-helper exited
successfully
sept. 24 10:36:05 MiWiFi-R4CM-srv sddm[2598]: Greeter stopped.
sept. 24 10:36:05 MiWiFi-R4CM-srv sddm-helper[2692]: pam_unix(sddm:session):
session opened for user philippe(uid=1000) by (uid=0)
sept. 24 10:36:05 MiWiFi-R4CM-srv sddm-helper[2692]: gkr-pam: unlocked login
keyring
sept. 24 10:36:05 MiWiFi-R4CM-srv sddm-helper[2692]:
pam_kwallet5(sddm:session): pam_kwallet5: pam_sm_open_session
sept. 24 10:36:05 MiWiFi-R4CM-srv sddm-helper[2692]: Starting: "/etc/sddm/
Xsession \"/usr/bin/startplasma-x11\""
sept. 24 10:36:05 MiWiFi-R4CM-srv sddm[2598]: Session started
Any help, thanks.
Philippe Merlin