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7100-Series: unexpected TX Alarm interrupt on unit 0, port 52

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Title7100-Series: unexpected TX Alarm interrupt on unit 0, port 52
Symptoms
Messages in Syslog:
 
<163>Mar 11 17:48:01 172.16.100.107 MII[2.tPhyIntr]generateStateMachineEvent: unexpected TX Alarm interrupt on unit 0, port 52
<163>Mar 11 17:48:01 172.16.100.107 MII[2.tPhyIntr]generateStateMachineEvent: submit snapshot core dump to Extreme Networks support group for analysis
<163>Mar 11 17:48:02 172.16.100.107 bcmStrat[2.bcmLINK.0]u=0 p=52 soc_phyctrl_linkup_evt rv=-9
<163>Mar 11 17:48:02 172.16.100.107 bcmStrat[2.bcmLINK.0]Port xe0: bcm_port_update failed: Operation timed out

Additional messages in Faultlog :
 
<3>rtrHwApi[1.tusrAppInit]WARNING: allocating collection Mgr with 101 debug counters (0x005da2bc 0x005ed2e4 0x005dea94 0x02f50210 0x005b18f0 0x0092bf28 0x0092d61c 0x0180c0e4 0x00000000)
Environment
7100-Series
Firmware 8.xx.xx
Cause
The system may unexpectedly reset itself. If this condition occurs a message similar to the following will be found in the persistent message log:

   Assertion failed: !"TX Alarm not supported yet."
Resolution
Upgrade to Firmware Version 8.42.04

 
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