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Enterasys Controller f/w 8.11.07.0007 AP Deadlock Error Message logged during an AP Reboot


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Article ID: 14940

Products
Enterasys (formerly HiPath) Wireless Controllers
C20, C25, C4110, C5110, V2110; firmware 8.11.07.0007
Enterasys (formerly HiPath) thin Access Points
RBT-4102, RBT-4102-EU, AP26xx, AP36xx

Changes
One or more managed Access Points (APs) is booting up, or has been rebooted for any reason.

Symptoms
For each such AP, controller logs contain multiple messages similar to the following:
Major Config Manager Config Manager has experienced an error which has
prevented it from properly processing a request. CM will continue
running, however this error may be an indicator of a larger system
problem. Error Details:Error sending notification [1000980], Exception:
[error: [Deadlock found when trying to get lock; try restarting
transaction]].[/code]Cause
An AP firmware lock was not established during a configuration write in the boot cycle, allowing two processes to run over each other.

Solution/Workaround
Upgrade to firmware 8.11.08.0002 or higher.
Release notes state, in the 'Changes in 8.11.08.0002' section:
code:
wns0008355
code:
Resolves internal database issue preventing configuration saves


Pre-upgrade workaround:
No corrective action is necessary, as this is a low-level message. There are no lasting functionality issues for the AP, which still receives its full configuration from the controller.

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