Cisco Bug: CSCsy96291 - Commands run while ISSU commands run may produce error/truncated output
Dec 04, 2015
- Cisco ASR 1000 Series Aggregation Services Routers
Known Affected Releases
Symptom: Commands that are executed while ISSU and package management commands are executing may not return expected results. Commands may fail with an error or fail to produce complete output. The specific symptom depends on the specific effect that the ISSU or package management command has on the system, which will vary by the procedure used, the operating state of the router, and the system modules impacted. Errors, truncated output or both should be expected for a variety of commands during this period and immediately after the completion of the ISSU command (e.g., a module that is reloaded by the ISSU activity may result in certain commands failing until that module returns to service). Long-running, automore-paused, or commands with continuous output should also be expected to terminate or end in an error under these circumstances. Conditions: The issue may occur during the execution of an ISSU or package management command (between the time the user invokes the command and when that ISSU command returns results and for a variable period of time thereafter, in some cases) a command that interacts a module that is specifically impacted by the software package change is run via a different user session (a user or automaton connected via telnet or ssh, automatic local execution via EEM or tcl, or a command executed on the standby console). Commands that query system modules that are being upgraded may return unexpected results, errors, or truncated output depending on the exact timing of the command execution..
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