Cisco Bug: CSCtf25886 - %C5510-1-NO_RING_DESCRIPTORS DSP resets observed in 12.4(15)T12
Mar 09, 2018
- Cisco IOS
Known Affected Releases
12.4(15)T12 12.4(15)T13 9.4(12)DSP
Symptoms: Messages of the following sort are observed on console: %C5510-1-NO_RING_DESCRIPTORS: No more ring descriptors available on slot 5 dsp 13. %C5510-1-NO_RING_DESCRIPTORS: No more ring descriptors available on slot 3 dsp 17. %C5510-1-NO_RING_DESCRIPTORS: No more ring descriptors available on slot 3 dsp 17. The RST (ReSeT) counter column in the output of the <CmdBold>show voice dsp detail<noCmdBold> command will show non-zero values for some Digital Signal Processor (DSP) IDs, indicating that a DSP has reset itself. Conditions: The symptom is observed on a Cisco Voice Gateway which is installed with PVDM2 C5510-based DSP cards (PVDM2-8, PVDM2-16, PVDM2-32, PVDM2-48, PVDM2-64, and AS5X-PVDM2-64) and configured for TDM-IP voice services. At present this symptom has been observed with Cisco IOS Release 12.4(15)T12 and default DSP firmware version 9.4.12, as well as when DSPware 9.4.10 or 9.4.11 is used in place of 9.4.12.
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