[Bug 842358] New: "service dhcpd restart" seems to hang for a long time

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bugzilla_noreply＠novell.com

25 Sep 2013 25 Sep '13

20:05

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c0 Summary: "service dhcpd restart" seems to hang for a long time Classification: openSUSE Product: openSUSE 12.3 Version: Final Platform: x86-64 OS/Version: openSUSE 12.3 Status: NEW Severity: Major Priority: P5 - None Component: Network AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: Mathias.Homann@opensuse.org QAContact: qa-bugs@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:23.0) Gecko/20100101 Firefox/23.0 When using "service dhcpd restart", the command seems to hang for a very long time, and then fail. On closer inspection the script calls a command /usr/bin/systemd-tty-ask-password-agent which waits for a password... but there is no password prompt anywhere. Why would the root user have to confirm a service restart with a password??? Reproducible: Always Steps to Reproduce: 1. "service dhcpd restart" 2. look at the process list 3. observe a /usr/bin/systemd-tty-ask-password-agent process Actual Results: thbe dhcpd service does not start properly Expected Results: a dhcp server is a basic cornerstone of a unix network. It should NOT be broken like this. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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bugzilla_noreply＠novell.com

25 Sep 25 Sep

20:14

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c Mathias Homann changed: What |Removed |Added ---------------------------------------------------------------------------- Blocks| |842359 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

26 Sep 26 Sep

06:08

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c Marcus Meissner changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |meissner@suse.com AssignedTo|bnc-team-screening@forge.pr |mt@suse.com |ovo.novell.com | -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

11:29

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c1 Marius Tomaschewski changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |fcrozat@suse.com AssignedTo|mt@suse.com |werner@suse.com --- Comment #1 from Marius Tomaschewski 2013-09-26 11:29:21 UTC --- I've no idea why /usr/bin/systemd-tty-ask-password-agent were used. There is not even the "X-Interactive" flag in the LSB header. -> systemd. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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11:51

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c2 --- Comment #2 from Dr. Werner Fink 2013-09-26 11:51:31 UTC --- Even if maintainer of systemd[1] I don't know -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

12:09

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c3 Frederic Crozat changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO InfoProvider| |Mathias.Homann@opensuse.org --- Comment #3 from Frederic Crozat 2013-09-26 12:09:39 UTC --- does it really wait for a password ? (the agent is started automatically and stopped automatically if a password request would be processed) Do you have the same behaviour (hang) if you use : systemctl --no-ask-password restart dhcpd.service ? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

12:17

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c4 --- Comment #4 from Mathias Homann 2013-09-26 12:17:31 UTC --- yep, it hangs. in the process list i see these two: root 19750 0.2 0.0 12140 1780 ? Ss 14:16 0:00 /bin/bash /etc/init.d/dhcpd start root 19876 0.0 0.0 37988 8040 ? S 14:16 0:00 \_ /usr/sbin/dhcpd -4 -cf /etc/dhcpd.conf -pf /var/run/dhcpd.pid -chroot /var/lib/dhcp -lf /db/dhcpd.leases looks to me as if dhcpd doesn't fork properly. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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12:18

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c5 Mathias Homann changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW InfoProvider|Mathias.Homann@opensuse.org | --- Comment #5 from Mathias Homann 2013-09-26 12:18:15 UTC --- (forgot to remove NEEDINFO) -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

12:26

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c6 Dr. Werner Fink changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO InfoProvider| |Mathias.Homann@opensuse.org --- Comment #6 from Dr. Werner Fink 2013-09-26 12:26:49 UTC --- (In reply to comment #4) Which file descriptors had been opened by the /usr/sbin/dhcpd ... you may have a look into the directory /proc/$(pidofproc /usr/sbin/dhcpd)/fd with the ls command: ls -l /proc/$(pidofproc /usr/sbin/dhcpd)/fd/ -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

12:43

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c7 --- Comment #7 from Mathias Homann 2013-09-26 12:43:41 UTC --- ..found it. got it... the start script did not copy the file "/etc/bindresvport.blacklist" into the chroot jail, so dhcpd refused to fork, and didn't open port 67 either. akari:/etc/sysconfig # diff dhcpd~ dhcpd 128c128 < DHCPD_CONF_INCLUDE_FILES="/etc/dhcpd.d /etc/named.keys" ---

...

DHCPD_CONF_INCLUDE_FILES="/etc/dhcpd.d /etc/named.keys /etc/bindresvport.blacklist" 154c154 < DHCPD_RUN_AS=""

...

DHCPD_RUN_AS="dhcpd"

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12:43

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c Mathias Homann changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW InfoProvider|Mathias.Homann@opensuse.org | -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

12:55

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c8 Dr. Werner Fink changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO InfoProvider| |Mathias.Homann@opensuse.org --- Comment #8 from Dr. Werner Fink 2013-09-26 12:55:06 UTC --- This does not answer my question: does dhcpd open a tty or stdout or stdin if not configured well? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

13:21

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c9 Mathias Homann changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW InfoProvider|Mathias.Homann@opensuse.org | --- Comment #9 from Mathias Homann 2013-09-26 13:21:53 UTC --- akari:/proc/7541/fd # l insgesamt 0 dr-x------ 2 root root 0 26. Sep 15:21 ./ dr-xr-xr-x 8 root root 0 26. Sep 15:21 ../ lr-x------ 1 root root 64 26. Sep 15:21 0 -> /dev/null l-wx------ 1 root root 64 26. Sep 15:21 1 -> /var/log/rc.dhcpd.log l-wx------ 1 root root 64 26. Sep 15:21 2 -> /var/log/rc.dhcpd.log lrwx------ 1 root root 64 26. Sep 15:21 20 -> socket:[87702] lrwx------ 1 root root 64 26. Sep 15:21 21 -> socket:[87703] lrwx------ 1 root root 64 26. Sep 15:21 3 -> socket:[87704] lrwx------ 1 root root 64 26. Sep 15:21 4 -> socket:[87713] aka -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

13:28

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c10 --- Comment #10 from Dr. Werner Fink 2013-09-26 13:28:21 UTC --- Ok and which of this sockets are used by systemd-tty-ask-password-agent as well? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

13:41

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c11 --- Comment #11 from Mathias Homann 2013-09-26 13:41:04 UTC --- from what i can see, none. akari:/proc/19815/fd # l insgesamt 0 dr-x------ 2 root root 0 26. Sep 15:37 ./ dr-xr-xr-x 8 root root 0 26. Sep 15:35 ../ lr-x------ 1 root root 64 26. Sep 15:37 0 -> /dev/null l-wx------ 1 root root 64 26. Sep 15:37 1 -> /var/log/rc.dhcpd.log l-wx------ 1 root root 64 26. Sep 15:37 2 -> /var/log/rc.dhcpd.log lrwx------ 1 root root 64 26. Sep 15:37 20 -> socket:[137060] lrwx------ 1 root root 64 26. Sep 15:37 21 -> socket:[137061] lrwx------ 1 root root 64 26. Sep 15:37 3 -> socket:[137062] lrwx------ 1 root root 64 26. Sep 15:37 4 -> socket:[137070] akari:/proc/19815/fd # akari:/proc/19681/fd # l insgesamt 0 dr-x------ 2 root root 0 26. Sep 15:35 ./ dr-xr-xr-x 8 root root 0 26. Sep 15:35 ../ lrwx------ 1 root root 64 26. Sep 15:35 0 -> /dev/pts/0 lrwx------ 1 root root 64 26. Sep 15:35 1 -> /dev/pts/0 lrwx------ 1 root root 64 26. Sep 15:35 2 -> /dev/pts/0 lr-x------ 1 root root 64 26. Sep 15:35 3 -> /run/systemd/ask-password-block/136:0| lr-x------ 1 root root 64 26. Sep 15:35 4 -> anon_inode:inotify lrwx------ 1 root root 64 26. Sep 15:36 5 -> anon_inode:[signalfd] akari:/proc/19681/fd # 19681 is the systemd thing, 19815 is dhcpd... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

19 Nov 19 Nov

13:31

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c Dr. Werner Fink changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |werner@suse.com AssignedTo|werner@suse.com |systemd-maintainers@suse.de -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

27 Nov 27 Nov

11:39

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c12 systemd maintainers changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO InfoProvider| |Mathias.Homann@opensuse.org --- Comment #12 from systemd maintainers 2013-11-27 11:39:36 UTC --- Is this bug still valid or does comment #7 describe how to fix this? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

14:46

New subject: [Bug 842358] "service dhcpd restart" seems to hang for a long time

https://bugzilla.novell.com/show_bug.cgi?id=842358 https://bugzilla.novell.com/show_bug.cgi?id=842358#c13 Mathias Homann changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW InfoProvider|Mathias.Homann@opensuse.org | --- Comment #13 from Mathias Homann 2013-11-27 14:46:36 UTC --- yes, comment #7 describes the fix for this. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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[Bug 842358] New: "service dhcpd restart" seems to hang for a long time

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