[Bug 860644] New: dns-resolver refuses to updates resolv.conf, dns resolution broken

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bugzilla_noreply＠novell.com

27 Jan 2014 27 Jan '14

18:38

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c0 Summary: dns-resolver refuses to updates resolv.conf, dns resolution broken Classification: openSUSE Product: openSUSE 13.1 Version: Final Platform: All OS/Version: openSUSE 13.1 Status: NEW Severity: Major Priority: P5 - None Component: Network AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: Yarny@public-files.de QAContact: qa-bugs@suse.de Found By: --- Blocker: --- Created an attachment (id=576007) --> (http://bugzilla.novell.com/attachment.cgi?id=576007) (log) files after bug occured User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:26.0) Gecko/20100101 Firefox/26.0 When I boot my machine and connect my LAN cable to my router, NetworkManager wakes up and starts some helper programs (dhcpd, dns-resolver,...) to make my internet connection work.

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From time to time, however, dns-resolver refuses to write to a file /etc/resolv.conf. Instead it logs /var/log/messages: ATTENTION: You have modified /etc/resolv.conf. Leaving it untouched... You can find my version in /etc/resolv.conf.netconfig When this happens, dns resolution isn't working, so I can't use the internet at all. Unplugging and replugging the LAN cable, or restarting NetworkManager.service doesn't help. My current workaround is to overwrite resolv.conf with resolv.conf.netconfig manually.

Reproducible: Sometimes Steps to Reproduce: NetworkManager running with default settings (dhcp). Connect LAN cable. Actual Results: dns-resolve reports to /var/log/messages that it can't update resolv.conf. DNS resolution is broken. The attached tar file contains the files resolv.conf and resolv.conf.netconfig. When the bug happened, I also found a file resolv.conf.p0aeWl in /etc, which is identical to resolv.conf. I also includ the file /var/adm/netconfig/md5/etc/resolv.conf in the tar file, as well as the relevant lines of /var/log/messages. My machine is booted/connected to the internet approx. twice a day. The bug occurs approx every 10th day. I have disabled nscd.service on my machine (reason: I'm using tor with some smart filewall rules and am afraid nscd would leak dns requests. These rules only affect packets of specific users, so I'm sure they don't contribute to the problem.). The problem appeared with me updating my machine from oS 12.3 to 13.1. -- 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

4 Feb 4 Feb

20:03

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c Marius Tomaschewski changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED 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

19 Mar 19 Mar

12:53

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c1 Marius Tomaschewski changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |NEEDINFO InfoProvider| |Yarny@public-files.de --- Comment #1 from Marius Tomaschewski 2014-03-19 12:53:12 UTC --- Could you update to the Test-RPM, which will be available soon at: http://download.opensuse.org/repositories/home:/mtomaschewski:/branches:/ope... The sysconfig version has to be 0.81.5-28.1 after. Then set NETCONFIG_VERBOSE="yes" please. It should report then what it is doing and also log lines like: netconfig: Executing 'modify ...' for pid XXXX and "debug: Resolved ....-policy '...' for service '...' to '...." messages. I'd _not_ set NETCONFIG_FORCE_REPLACE="yes" initially -- this enables "-f" and you would probably not notice when the update didn't worked. When it happened again, attach the logs (/var/log/messages or output of journalctl -b -o short-iso) please. -- 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

22 Mar 22 Mar

11:48

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c2 --- Comment #2 from Yarny Yarny 2014-03-22 11:48:02 UTC ---

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Could you update to the Test-RPM [...] The affected machine is now running with sysconfig 0.81.5-28.1 installed. I'll report back as soon as I observe the bug again.

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Then set NETCONFIG_VERBOSE="yes" please. I'd _not_ set NETCONFIG_FORCE_REPLACE="yes" initially. Where should I do this? These look similar to the variables in /etc/sysconfig/network/config, however, exactly those variables are not present there (on my machine). I've now appended /etc/sysconfig/network/config with NETCONFIG_VERBOSE="yes" NETCONFIG_FORCE_REPLACE="no" Marius Tomaschewski, is this what you wanted me to do? Or should I set these somewhere else?

-- 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

24 Mar 24 Mar

07:11

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c3 --- Comment #3 from Marius Tomaschewski 2014-03-24 07:11:18 UTC --- (In reply to comment #2)

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Could you update to the Test-RPM [...] The affected machine is now running with sysconfig 0.81.5-28.1 installed. I'll report back as soon as I observe the bug again.

OK, thanks!

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Then set NETCONFIG_VERBOSE="yes" please. I'd _not_ set NETCONFIG_FORCE_REPLACE="yes" initially. Where should I do this? These look similar to the variables in /etc/sysconfig/network/config, however, exactly those variables are not present there (on my machine). I've now appended /etc/sysconfig/network/config with NETCONFIG_VERBOSE="yes" NETCONFIG_FORCE_REPLACE="no" Marius Tomaschewski, is this what you wanted me to do? Or should I set these somewhere else?

Basically exactly what you did. And sorry! Due to the package split, sysconfig-network-0.81.5-28.1 provides them. They should be appended after installation at the end of the /etc/sysconfig/network/config. But adding them manually is OK. -- 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

29 Mar 29 Mar

12:00

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c4 --- Comment #4 from Bernhard Wiedemann 2014-03-29 13:00:31 CET --- This is an autogenerated message for OBS integration: This bug (860644) was mentioned in https://build.opensuse.org/request/show/228168 13.1 / sysconfig -- 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

7 Apr 7 Apr

06:30

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c5 Matthias Grießmeier changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |RESOLVED InfoProvider|Yarny@public-files.de | Resolution| |FIXED --- Comment #5 from Matthias Grießmeier 2014-04-07 06:30:23 UTC --- Update released for openSUSE 13.1. Resolved fixed. -- 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

07:04

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c6 --- Comment #6 from Swamp Workflow Management 2014-04-07 07:04:58 UTC --- openSUSE-RU-2014:0485-1: An update that has 5 recommended fixes can now be installed. Category: recommended (important) Bug References: 846361,860644,866870,868323,869761 CVE References: Sources used: openSUSE 13.1 (src): sysconfig-0.81.5-26.1 -- 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

21 Apr 21 Apr

09:48

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c7 --- Comment #7 from Yarny Yarny 2014-04-21 09:48:26 UTC --- I have installed sysconfig 0.81.5-26.1 on April 13. My /etc/sysconfig/network/config still lists

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NETCONFIG_VERBOSE="yes" NETCONFIG_FORCE_REPLACE="no" On April 17 the bug occurred again. Despite the VERBOSE=yes setting, /var/log/messages doesn't seem to show more information.

Are affected users simply supposed to set NETCONFIG_FORCE_REPLACE="yes", or is this still considered a bug? -- 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

28 May 28 May

08:00

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c8 --- Comment #8 from Bernhard Wiedemann 2014-05-28 10:00:11 CEST --- This is an autogenerated message for OBS integration: This bug (860644) was mentioned in https://build.opensuse.org/request/show/235623 Factory / sysconfig -- 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

11:00

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

https://bugzilla.novell.com/show_bug.cgi?id=860644 https://bugzilla.novell.com/show_bug.cgi?id=860644#c10 --- Comment #10 from Bernhard Wiedemann 2014-05-28 13:00:16 CEST --- This is an autogenerated message for OBS integration: This bug (860644) was mentioned in https://build.opensuse.org/request/show/235660 Factory / sysconfig -- 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

7 Oct 7 Oct

15:58

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

http://bugzilla.novell.com/show_bug.cgi?id=860644 Joschi Brauchle changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED CC| |joschibrauchle@gmx.de Resolution|FIXED |--- --- Comment #15 from Joschi Brauchle --- Hi, we are still suffering from this problem as described originally. We would like to add the following information: 08:09: Machine UP and DHCP updating /etc/resolv.conf just fine 08:10: Machine is rebooted 08:14: Machine is UP, DHCP fails to update /etc/resolv.conf The timestamp of the last change of /etc/resolv.conf is 08:10 and the content is: ------------- ### /etc/resolv.conf file autogenerated by netconfig! # # Before you change this file manually, consider to define the # static DNS configuration using the following variables in the # /etc/sysconfig/network/config file: # NETCONFIG_DNS_STATIC_SEARCHLIST # NETCONFIG_DNS_STATIC_SERVERS # NETCONFIG_DNS_FORWARDER # or disable DNS configuration updates via netconfig by setting: # NETCONFIG_DNS_POLICY='' # # See also the netconfig(8) manual page and other documentation. # # Note: Manual change of this file disables netconfig too, but # may get lost when this file contains comments or empty lines # only, the netconfig settings are same with settings in this # file and in case of a "netconfig update -f" call. # ### Please remove (at least) this line when you modify the file! search lnt.ei.tum.de ------------- /etc/resolv.conf.netconfig timestamp is 08:14 and the content is: ------------- ### /etc/resolv.conf file autogenerated by netconfig! # # Before you change this file manually, consider to define the # static DNS configuration using the following variables in the # /etc/sysconfig/network/config file: # NETCONFIG_DNS_STATIC_SEARCHLIST # NETCONFIG_DNS_STATIC_SERVERS # NETCONFIG_DNS_FORWARDER # or disable DNS configuration updates via netconfig by setting: # NETCONFIG_DNS_POLICY='' # # See also the netconfig(8) manual page and other documentation. # # Note: Manual change of this file disables netconfig too, but # may get lost when this file contains comments or empty lines # only, the netconfig settings are same with settings in this # file and in case of a "netconfig update -f" call. # ### Please remove (at least) this line when you modify the file! search lnt.ei.tum.de nameserver 10.156.33.53 nameserver 129.187.5.1 nameserver 192.168.109.3 ------------- For us it looks like some process is modifying /etc/resolv.conf during shutdown of the machine. The last run of dhcpcd was at 07:45... -- You are receiving this mail because: You are on the CC list for the bug.

bugzilla_noreply＠novell.com

25 Oct 25 Oct

20:39

New subject: [Bug 860644] dns-resolver refuses to updates resolv.conf, dns resolution broken

http://bugzilla.novell.com/show_bug.cgi?id=860644 Marc Schütz changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |schuetzm@gmx.net --- Comment #16 from Marc Schütz --- I'm also seeing this sporadically (~ every few months), with all the latest updates installed. As the other reporters, I don't know how to reproduce it either. /etc/resolv.conf contained the following: ### /etc/resolv.conf file autogenerated by netconfig! # # Before you change this file manually, consider to define the # static DNS configuration using the following variables in the # /etc/sysconfig/network/config file: # NETCONFIG_DNS_STATIC_SEARCHLIST # NETCONFIG_DNS_STATIC_SERVERS # NETCONFIG_DNS_FORWARDER # or disable DNS configuration updates via netconfig by setting: # NETCONFIG_DNS_POLICY='' # # See also the netconfig(8) manual page and other documentation. # # Note: Manual change of this file disables netconfig too, but # may get lost when this file contains comments or empty lines # only, the netconfig settings are same with settings in this # file and in case of a "netconfig update -f" call. # ### Please remove (at least) this line when you modify the file! Removing it and reconnecting the networks makes it work again. -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 860644] New: dns-resolver refuses to updates resolv.conf, dns resolution broken

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