Red Hat Bugzilla – Bug 465972
Update of iputils starts rdisc, breaking network connectivity
Last modified: 2014-11-09 17:31:24 EST
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I scheduled updates to nine servers using Red Hat Network. The update included iputils-20020927-21.el4. When iputils was installed, it started rdisc, which broke network connectivity and required all the servers to be rebooted. rdisc is not used on any of these servers and is disabled at all runlevels.
Steps to Reproduce:
1. Update a server using Red Hat Network
iputils installation starts rdisc
iputils installation should respect run levels and only start rdisc where appropriate
Similar to Fedora Bug 235374
This also affects the following versions of the iputils RPM:
root@server ~ # rpm -q iputils
root@server ~ # rpm -q --scripts iputils
postinstall scriptlet (using /bin/sh):
/sbin/chkconfig --add rdisc
preuninstall scriptlet (using /bin/sh):
if [ $1 = 0 ]; then
service rdisc stop >/dev/null 2>&1
/sbin/chkconfig --del rdisc
postuninstall scriptlet (using /bin/sh):
if [ "$1" -ge "1" ]; then
service rdisc restart >/dev/null 2>&1 || :
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.
This bug was reported ten months ago and still isn't fixed. The fixes mentioned in RHBA-2009:0977-1 do not appear to have been effective.
I scheduled updates to nine servers using Red Hat Network last night (2009-08-17). The update included iputils-20020927-22.el4. When iputils was installed it started rdisc and broke network connectivity on all of these servers. I had to run
service rdisc stop
service network restart
on each machine to restart the network.
As previously reported, rdisc is not used on any of these servers and is disabled at all runlevels. The iputils installation should respect run levels and only start rdisc where appropriate.
With regards to comment 8, sadly I think this is an example of a weakness in rpm. The new package (iputils-20020927-22.el4) does indeed have a fix for the problem you are seeing, but the defect (and therefore the fix) is located in the post-uninstallation script for the package. The behavior you saw after upgrading to the -22.el4 version of the package was actually the post-uninstallation script from the old version of the package running. The bright side is that going forward you shouldn't see any further problems on upgrade now that the fix has been implemented.
I have to explain current situation:
1. Unfortunately the bug fix doesn't work as was intended. I'm sorry for it.
2. Both comments #8 and #9 are true.
The real bug fix is really in the post-uninstallation script. This means that this fix will not be applied in rel. 22 but later in rel. 23 in accordance with comment #9.
Therefore I made one subsidiary extension that should ensure correct behaviour already in rel. 22. Unfortunately this extension doesn't work due to one character mistake in spec file (described behaviour in comment #8). I'm so sorry for this mistake.
I've opened bug 519124 to further track the issue.