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Cisco Bug: CSCun40289 - MCU may crash due to corrupted backplane packets

Last Modified

May 21, 2019

Products (15)

  • Cisco TelePresence MCU 4500 Series
  • Cisco TelePresence MCU 4520
  • Cisco TelePresence MCU 4505
  • Cisco TelePresence MCU 4510
  • Cisco TelePresence MCU 5320
  • Cisco TelePresence MCU 4215
  • Cisco TelePresence MCU 4205
  • Cisco TelePresence MCU 4220
  • Cisco TelePresence MCU MSE 8420
  • Cisco TelePresence MCU 4203
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Known Affected Releases

4.1(1.59) 4.1Release 4.2Release 4.3Release 4.4(3.42) 4.4Release

Description (partial)

<b>Symptom:</b> A Cisco TelePresence MCU may experience a restart when processing corrupted backplane packets

The restart contains a backtrace with following functions : 
 :: log_hex_dump
 :: backplane_msg_fn(unsigned char, unsigned
char*, int)

<b>Condition:</b> 
Currently the condition that triggers this issue are not known.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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