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Cisco Bug: CSCuj74775 - MCU rebooted during conference call with os_ext:EXC_nmiHooke

Last Modified

Feb 22, 2014

Products (15)

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


Description (partial)

MCU 4520  reboot during a conference call with DSP crash error
DSP(00000311) : NMI exception! t=e15a8f61
DSP(00000311) : EFR=80000000 (Exception flag reg)
DSP(00000311) : NRP=90da58 (NMI return pointer)
DSP(00000311) : NTSR=1020d (NMI/exception task state reg)
DSP(00000311) : IERR=0 (Internal exception cause reg)
DSP(00000311) : os_exit

It happen during a conference call
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