[Bug 1706990] Re: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression
Thanks for filing this bug in Ubuntu. Could you please share the following files: - /etc/samba/smb.conf - /var/log/samba/log* (all files in /var/log/samba that begin with "log") Finally, please also share the output of this command (you may redirect the output to a file and attach that file instead): sudo systemctl status smbd.service nmbd.service winbind.service samba- ad-dc.service Thanks! ** Changed in: samba (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1706990 Title: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1706990/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1706990] Re: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression
Thanks. I'm not seeing anything *immediately* wrong, just that nmbd sometimes either can't find a network, or is getting errors trying to send packets to it. Like: Packet send failed to 192.168.0.255(138) ERRNO=Invalid argument ... send_netbios_packet: send_packet() to IP 192.168.0.255 port 137 failed ... reload_interfaces: No subnets to listen to. Waiting.. How is the network brought up on this machine where you experience this problem? Is it wired, wireless, managed by network-manager or /etc/network/interfaces, etc? Regarding the non-child process, do you experience the same delay and message from systemd about non-child process if you restart nmbd after boot? Try something like this: $ sudo systemctl status nmbd.service (should print basically the same that you showed in your first comment) Then restart it, and get status again: $ sudo systemctl restart nmbd.service $ sudo systemctl status nmbd.service Thanks! -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1706990 Title: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1706990/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1706990] Re: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression
After you systemctl restart, do you also get a 10s delay between the "supervising" and "started" lines in the output of systemctl status nmbd.service? -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1706990 Title: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1706990/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1706990] Re: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression
Can you get a "ps fauxww" output right before and after the "systemctl restart" when "status" shows the supervising message? Something like this: $ ps fauxw > ps-before.txt $ sudo systemctl restart nmbd.service $ sudo systemctl status nmbd.service $ ps fauxw > ps-after.txt but only if "status" showed the 10s delay. If it didn't, then repeat from the top. And at the end also attach /var/log/samba/log.nmbd. Let's see if we can catch it on the act. Thanks -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1706990 Title: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1706990/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1706990] Re: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression
Ok, so please attach a fresh set of logs right after a reboot where the problem happens. I would like: - /var/log/syslog - /var/log/samba/log.nmbd - /var/log/samba/log.smbd - ps fauxw output after boot I'll correlate timestamps between them to try to see what's going on. I suspect the fact that networking (wifi) is only up at the very end has something to do with it. Is wifi connected at the login screen, or only after you login? -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1706990 Title: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1706990/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1706990] Re: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression
Ok, I did some testing. I setup a zesty vm, installed samba (smbd and
nmbd) on it, then configured it to not bring up the network at boot time
(/etc/network/interfaces <- remove "auto eth0"). I can then login at the
console and bring eth0 up or down with "ifup" and "ifdown" commands at
will.
Here is what I observed:
- the boot never hangs
- systemd will give up on the nmbd job after 1min30s. Note that this wait
happens in the background and doesn't block other jobs (unless they depend on
nmbd, which isn't the case). If I login at the console (still no network) and
run "systemd-analyze blame" before that timeout, it will say the system is
still booting.
- nmbd actually starts as usual, detects there is no network, and wait for the
network *forever*: there is no timeout. Its loop is essentially this:
while (iface_count_v4_nl() == 0) {
sleep(5);
load_interfaces();
}
- that's when it logs the message "No local IPv4 non-loopback interfaces
available, waiting for interface...". It really waits forever.
- in that loop you will notice that it performs a check every 5s. That's why
you see the "10s extra delay" every time with such precision: you probably
logged between 5-10s after nmbd was started.
- if I run systemd-analyze blame after the 1min30s timeout, i.e., after systemd
is "happy" that the system booted because it gave up on the nmbd job, then it
will output nmbd.service at the very top with 1m30s, as expected.
To summarize, I believe what's happening is correct and normal for a
machine which only connects to the network after the user logs in. It's
not blocking your boot, nor delaying your login for an extra 10s: that
wait happens in the background, in parallel with all the rest that's
running. And as soon as the network is available, nmbd will detect that
in one if its 5s interval checks, and exit the loop and do its job.
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https://bugs.launchpad.net/bugs/1706990
Title:
With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second
boot time regression
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[Bug 1706990] Re: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression
I think not. It's reporting how long each job took, not that the overall boot time increased by 10s. The analyze output was accurate. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1706990 Title: With samba installed on Kubuntu 17.04, nmbd.service causes a 10 second boot time regression To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1706990/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
