Bug#747073: [cups-daemon] Doesn't work with systemd
On Monday 05 May 2014 17:43:45 Didier 'OdyX' Raboud wrote:
> Le lundi, 5 mai 2014, 15.19:30 BogDan Vatra a écrit :
> > > I expect the cups maintainers are going to need more information
> > > here. Please look in the journal (or syslog) to see what went
> > > wrong, and quote it on the bug.
>
> Yay, thanks for the initial response.
>
> > > Useful commands might include "journalctl", "less /var/log/syslog",
> > > "journalctl -xn", "systemctl -a status cups.service", "systemctl
> > > list-units".
> >
> > Here we go:
> >
> > journalctl:
> > ....
> > mai 05 15:07:25 zmeu sudo[2830]: bogdan : TTY=pts/3 ; PWD=/home/bogdan
> > ; USER=root ; COMMAND=/bin/bash
> > mai 05 15:07:25 zmeu sudo[2830]: pam_unix(sudo:session): session
> > opened for user root by bogdan(uid=0)
> > mai 05 15:07:37 zmeu systemd[1]: Reloading.
> > mai 05 15:07:37 zmeu systemd[1]: Starting CUPS Printing Service
> > Sockets. mai 05 15:07:37 zmeu systemd[1]: cups.socket failed to
> > listen on sockets: Cannot assign requested address
>
> Hmm. Can you attach the content of all files and symlinks in
> /etc/systemd/system/cups.socket.d ?
>
Check cups.socket.d.output.txt
> Could you also attach the output of `systemctl show cups.socket` ?
>
Check systemctl_show_cups.socket_output.txt
> Do you happen to have a specific IPv6 setup on this machine? Kernel
> module unloaded or not built?
>
Yes, I disabled IPv6.
# cat /etc/sysctl.d/disableipv6.conf
net.ipv6.conf.all.disable_ipv6=1
It seems this is the reason why it doesn't work, I comment
"ListenStream=[::1]:631" and it works fine.
> > Well, cups worked perfectly for me before I SID replaced sysvinit with
> > systemd. Because I was sure that some people will say "it works for
> > me", I removed them, and I tried to install them again. The result is
> > the same, so for me is just a simple "doesn't work on systemd". :)
>
> Did you upgrade all your system to sid?
No, I didn't upgrade to sid, I upgrade my existing sid installation.
> What is the install status of
> cups-browsed?
>
Is working.
Thanks.
# ls -l /etc/systemd/system/cups.socket.d
total 0
lrwxrwxrwx 1 root root 39 May 4 13:37 cupsd-listen.conf -> ../../../cups/cupsd-systemd-listen.conf
# cat /etc/systemd/system/cups.socket.d/cupsd-listen.conf
[Socket]
# This file was generated by CUPS and _WILL_ be deleted or overwritten by it!
# It has to be kept in sync with the Port and Listen stanzas in /etc/cups/cupsd.conf
# It is by default symlinked as cups-listen.conf in the
# /etc/systemd/system/cups.socket.d/ directory. Remove the symlink
# and write your own file there if you don't want this. See systemd.socket(5).
# Matches 'Listen localhost:631' from cupsd.conf
ListenStream=127.0.0.1:631
ListenStream=[::1]:631
# systemctl show cups.socket
Id=cups.socket
Names=cups.socket
Requires=sysinit.target -.mount
RequiredBy=cups.service
WantedBy=sockets.target
Conflicts=shutdown.target
Before=cups.service sockets.target shutdown.target
After=sysinit.target -.mount
Triggers=cups.service
Description=CUPS Printing Service Sockets
LoadState=loaded
ActiveState=failed
SubState=failed
FragmentPath=/lib/systemd/system/cups.socket
DropInPaths=/etc/systemd/system/cups.socket.d/cupsd-listen.conf
UnitFileState=enabled
InactiveExitTimestampMonotonic=0
ActiveEnterTimestampMonotonic=0
ActiveExitTimestampMonotonic=0
InactiveEnterTimestampMonotonic=0
CanStart=yes
CanStop=yes
CanReload=no
CanIsolate=no
StopWhenUnneeded=no
RefuseManualStart=no
RefuseManualStop=no
AllowIsolate=no
DefaultDependencies=yes
OnFailureIsolate=no
IgnoreOnIsolate=no
IgnoreOnSnapshot=no
NeedDaemonReload=no
JobTimeoutUSec=0
ConditionTimestamp=Tue 2014-05-06 09:46:33 EEST
ConditionTimestampMonotonic=9983749
ConditionResult=yes
BindIPv6Only=ipv6-only
Backlog=128
TimeoutUSec=1min 30s
ControlPID=0
DirectoryMode=0755
SocketMode=0666
Accept=no
KeepAlive=no
Priority=-1
ReceiveBuffer=0
SendBuffer=0
IPTOS=-1
IPTTL=-1
PipeSize=0
FreeBind=no
Transparent=no
Broadcast=no
PassCredentials=no
PassSecurity=no
ListenStream=/var/run/cups/cups.sock
ListenStream=127.0.0.1:631
ListenStream=[::1]:631
Mark=-1
MaxConnections=64
NConnections=0
NAccepted=0
Result=resources
UMask=0022
LimitCPU=18446744073709551615
LimitFSIZE=18446744073709551615
LimitDATA=18446744073709551615
LimitSTACK=18446744073709551615
LimitCORE=18446744073709551615
LimitRSS=18446744073709551615
LimitNOFILE=4096
LimitAS=18446744073709551615
LimitNPROC=127941
LimitMEMLOCK=65536
LimitLOCKS=18446744073709551615
LimitSIGPENDING=127941
LimitMSGQUEUE=819200
LimitNICE=0
LimitRTPRIO=0
LimitRTTIME=18446744073709551615
OOMScoreAdjust=0
Nice=0
IOScheduling=0
CPUSchedulingPolicy=0
CPUSchedulingPriority=0
TimerSlackNSec=50000
CPUSchedulingResetOnFork=no
NonBlocking=no
StandardInput=null
StandardOutput=journal
StandardError=inherit
TTYReset=no
TTYVHangup=no
TTYVTDisallocate=no
SyslogPriority=30
SyslogLevelPrefix=yes
SecureBits=0
CapabilityBoundingSet=18446744073709551615
MountFlags=0
PrivateTmp=no
PrivateNetwork=no
SameProcessGroup=no
ControlGroupModify=no
ControlGroupPersistent=no
IgnoreSIGPIPE=yes
NoNewPrivileges=no
KillMode=control-group
KillSignal=15
SendSIGKILL=yes
DefaultControlGroup=name=systemd:/system/cups.socket
ControlGroups=cpu:/system/cups.socket name=systemd:/system/cups.socket
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