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Old 03-27-2008, 07:53 AM
Joachim Backes
 
Default /etc/sysconfig/network-scripts/ifcfg-eth0 destroyed after the most recent F8 updates

Hi,

very weird:

after installing the most recent F8 updates, in a lot of my machines (not all!!) after reboot the
NIC information is destroyed, that is, /etc/sysconfig/network-scripts/ifcfg-eth0 has been
overwritten and altered to DHCP protocol.


Regards

--
Joachim Backes <joachim.backes@rhrk.uni-kl.de>
University of Kaiserslautern,Computer Center [RHRK],
Systems and Operations, High Performance Computing,
D-67653 Kaiserslautern, PO Box 3049, Germany
--------------------------------------------------
Phone: +49-631-205-2438, FAX: +49-631-205-3056
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Old 03-27-2008, 08:34 AM
Joachim Backes
 
Default /etc/sysconfig/network-scripts/ifcfg-eth0 destroyed after the most recent F8 updates

Hi,

very weird:

after installing the most recent F8 updates, in a lot of my machines (not all!!) after reboot the
NIC information is destroyed, that is, /etc/sysconfig/network-scripts/ifcfg-eth0 has been
overwritten and altered to DHCP protocol.

It seems that kudzu-1.2.79.2-1 is the culprit.

Also see https://bugzilla.redhat.com/show_bug.cgi?id=253146

Regards

--
Joachim Backes <joachim.backes@rhrk.uni-kl.de>
University of Kaiserslautern,Computer Center [RHRK],
Systems and Operations, High Performance Computing,
D-67653 Kaiserslautern, PO Box 3049, Germany
--------------------------------------------------
Phone: +49-631-205-2438, FAX: +49-631-205-3056
--
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Old 03-27-2008, 03:35 PM
David Chambers
 
Default /etc/sysconfig/network-scripts/ifcfg-eth0 destroyed after the most recent F8 updates

On 03/27/2008 02:34 AM Joachim Backes wrote:

Hi,

very weird:

after installing the most recent F8 updates, in a lot of my machines
(not all!!) after reboot the
NIC information is destroyed, that is,
/etc/sysconfig/network-scripts/ifcfg-eth0 has been

overwritten and altered to DHCP protocol.

It seems that kudzu-1.2.79.2-1 is the culprit.

Also see https://bugzilla.redhat.com/show_bug.cgi?id=253146

Regards

It did that to several of my machines, too. Incredibly annoying, since
the machines are in a server room and not instantly accessible. IMO
this is a serious bug, since the affected machines drop off the network
(there's no dhcp) and become inaccessible.


- D

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Old 03-27-2008, 04:23 PM
Roger Heflin
 
Default /etc/sysconfig/network-scripts/ifcfg-eth0 destroyed after the most recent F8 updates

Joachim Backes wrote:

Hi,

very weird:

after installing the most recent F8 updates, in a lot of my machines
(not all!!) after reboot the NIC information is destroyed, that is,
/etc/sysconfig/network-scripts/ifcfg-eth0 has been overwritten and
altered to DHCP protocol.


Regards



Is there a common network interface card used on the ones that were destroyed
vs. the ones that were ok?


The auto config tools key off of certain things, and if it thought that the
network interface was replaced with a new one it would do something similar to
what you are describing, kudzu is the tool that does this, and it can be
troublesome in some cases.


Roger

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Old 03-27-2008, 06:32 PM
David Chambers
 
Default /etc/sysconfig/network-scripts/ifcfg-eth0 destroyed after the most recent F8 updates

On 03/27/2008 10:32 AM Heitor Moraes wrote:

Servers running Fedora 8?



yes. All of them.

Network interfaces are e1000.
I had 2 of 12 machines lose their config. One had eth0-eth3 and the
other had eth0 and eth1. It sounds suspiciously like this might be
related to having multiple interfaces configured, as none of the single
interface machines failed, nor did the ones where only eth0 was
activated at boot time.



- D

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Old 03-27-2008, 07:03 PM
Roger Heflin
 
Default /etc/sysconfig/network-scripts/ifcfg-eth0 destroyed after the most recent F8 updates

David Chambers wrote:

On 03/27/2008 10:32 AM Heitor Moraes wrote:

Servers running Fedora 8?



yes. All of them.

Network interfaces are e1000.
I had 2 of 12 machines lose their config. One had eth0-eth3 and the
other had eth0 and eth1. It sounds suspiciously like this might be
related to having multiple interfaces configured, as none of the single
interface machines failed, nor did the ones where only eth0 was
activated at boot time.



- D



The e1000 driver recently split into 2 different parts (I could wrong on the
exact details of what happened-it looks like it split in 2.6.23) one part called
e1000 (pci/pci-x) and one part called e1000e (pcie), and there appears to be a
lot of changes being done on the e1000 interface after that change, which could
probably change the order of the interfaces and which would confuse the new
hardware configuration tool and/or the current configuration and make it do bad
things because of the order changing around in an unexpected way.


Roger

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Old 03-27-2008, 07:21 PM
David Chambers
 
Default /etc/sysconfig/network-scripts/ifcfg-eth0 destroyed after the most recent F8 updates

On 03/27/2008 01:03 PM Roger Heflin wrote:

David Chambers wrote:

On 03/27/2008 10:32 AM Heitor Moraes wrote:

Servers running Fedora 8?



yes. All of them.

Network interfaces are e1000.
I had 2 of 12 machines lose their config. One had eth0-eth3 and the
other had eth0 and eth1. It sounds suspiciously like this might be
related to having multiple interfaces configured, as none of the
single interface machines failed, nor did the ones where only eth0
was activated at boot time.



- D



The e1000 driver recently split into 2 different parts (I could wrong
on the exact details of what happened-it looks like it split in
2.6.23) one part called e1000 (pci/pci-x) and one part called e1000e
(pcie), and there appears to be a lot of changes being done on the
e1000 interface after that change, which could probably change the
order of the interfaces and which would confuse the new hardware
configuration tool and/or the current configuration and make it do bad
things because of the order changing around in an unexpected way.


Roger

That would fit with the problem occurring after the recent kernel update
(to 2.6.24.3-50.fc8). Presumably if there was a change in e1000, that
made kudzu think the hardware was different, so it created default
config files.


I chmod -w'd my ifcfg-eth* files in any case :-)

- david

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