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AUSCERT External Security Bulletin Redistribution
ESB-2008.0258 -- [Solaris]
Solaris 10 Systems Equipped With e1000g Drivers May
Experience Ethernet Link Flaps
13 March 2008
AusCERT Security Bulletin Summary
Product: e1000g driver
Intel Gigabit 82571EB chipset
Publisher: Sun Microsystems
Operating System: Solaris 10
Impact: Denial of Service
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Solution Type: Sun Alert
Solution 201226 : Solaris 10 Systems Equipped With e1000g Drivers
for Intel 82571EB Chipset Based Intel Gigabit Ethernet Controllers May
Experience Ethernet Link Flaps
Previously Published As: 103198
Bug ID: 6531842
Solaris 10 Operating System
Date of Resolved Release: 09-JAN-2008
SA Document Body
Solaris 10 systems that have e1000g as the driver for Intel Gigabit 82571EB
chipset based NICs ... see below:
Solaris 10 systems that have e1000g as the driver for Intel Gigabit
82571EB chipset based NICs may experience Ethernet link flaps.
2. Contributing Factors
This issue can occur in the following releases:
* Solaris 10 without patch 128028-03
* Solaris 10 without patch 128029-04
Note: Solaris 8 and Solaris 9 are not impacted by this issue.
This issue only impacts systems that are using the e1000g driver for
the Intel Gigabit 82571EB chipset based NICs. To determine if a system
is equipped with the 82571EB chipset based Intel Gigabit NIC, the
following command can be used:
$ prtconf -pv | grep "8086,105e"
To determine if a system is equipped with e1000g plumbed interfaces,
the following command can be used:
$ ifconfig -a | grep e1000g
If the described issue occurs, networking applications may fail due to
Ethernet link flaps. In some cases, the link goes down and comes up on
its own. However, it is possible for the link to go down and not come
back up. In such cases, a manual reboot may be required.
At the time of link flaps, messages similar to the following may
appear in the "/var/adm/messages" file:
NOTICE: pciex8086,105e - e1000g : Adapter copper link is down.
[ID 801593 kern.notice] NOTICE: pciex8086,105e - e1000g : Adapter
100Mbps full duplex copper link is up.
There is no workaround for this issue. Please see the "Resolution"
This issue is addressed in the following releases:
* Solaris 10 with patch 128028-03 or later
* Solaris 10 with patch 128029-04 or later
11-Mar-08: modification to Contributing Factors
This solution has no attachment
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