Red Hat Bugzilla – Bug 445097
NetworkManager kills static networking
Last modified: 2013-07-02 22:35:33 EDT
Description of problem:
On a workstation where static networking was setup (at install time, via
standard anaconda methods), running NetworkManager downs and reconfigures an
active and working ethernet interface. In my case, on a DHCP-enabled network,
the IP changed from 10.10.10.10 (static) to 10.10.10.219 (dynamic).
This caused all programs running over NFS-mounted filesystems (namely, my entire
desktop) to freeze.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Install Fedora 8 x86-64, configured with one ethernet interface (using
"e1000e" driver here locally)
2. Install all available updates
3. Login as normal user
4. open terminal, run NetworkManager via sudo
All network apps freeze.
Don't kill active and working network setup.
Hmm, 3370 should read connections from /etc/sysconfig/network-scripts instead of
the s-c-n profiles directory... We switched that somewhere before 3370 since it
really did confuse people who don't use s-c-n.
Could you try latest NM koji version here? That has quite a few fixes from the
F-9 cylce for system connections.
If that doesn't work, could you attach the ifcfg file from
/etc/sysconfig/network-scripts that you're using?
I have the same problem. NetworkManager is owerwriting resolv.conf in /etc and /
Working static connection is broken. Now i disable NetworkManager service ang
start service "Network". Static networ is now working corretly. But it solve
tell me specialist. I`m newbie and in first six times installation give me
problems ... BugReport Send is not working without Internet connection ...
Bloks: please update to the latest versions in either F9, rawhide, or
F8-updates-testing. NM does not write to ifcfg-eth0; it only reads from it. NM
should work with static IP and your ifcfg file.
Software updater (Package updater) reported - "There are no updated packages
currently available for your system.".
Before (After new instalation Fedora8) Package updater sign me for many
available packages. I click "Apply" button.
I mean - all updates is setting up. Its correcly?
Now i stopped service "Network" and started service "NetworkManager".
Before i set up file /etc/sysconfig/network-scripts/ifcfg-eth0 to "Read-Only"
with root permissions.
Ok, contents of this file is not changed (im wrong in previous post), but /etc/
resolv.conf permissons is setting too ("Read-Only" with root permissions), this
file content is erased ... (NM is very strong boy)
Now icon of NeworkManager signalized to normal connection, but in properties
its have suspicious parameters:
IP address 169.254.76.219 (My network is static 126.96.36.199 ... 188.8.131.52)
Broadcast address 169.254.255.255 (Why its need?)
Subnet mask 255.255.0.0 (my subnet mask is 255.255.255.0)
Default route 0.0.0.0 (?!?!?)
Internet not working. Ping for another computers to Fedora is without answer.
Sorry - im revert configuration to previously, stopped NetworkManager, starting
Network service and write Nameserver (my router address) in /etc/resolv.conf
Now Internet working and ping is ok.
I verified that this problem continues to exist in Fedora 9.
Jeff, can you test out the latest f9-testing packages? They likely fix your
issue. If I can get enough testing I'll push them to f9-updates:
yum --enablerepo=updates-testing upgrade NetworkManager*
let me know!
I'm experiencing the same issue, with the additional complication that since no
DHCP server is available on the relevant subnet, NetworkManager simply disables
the interface completely.
Dan, I read about your suggested fix and will attempt it the next time I'm
on-site (so that I can resurrect the server if it fails to work)
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