20
Could not start I/O for request for a page in extended cache BLKIO flags = 0x%1!, size = %2!, errcode = 0x%3!, %4!.
Adaptive Server cannot issue an I/O from a buffer that is in an extended cache. This error is similar to 822, which is raised when Adaptive Server cannot start an I/O on a buffer in a standard cache. See the write-up for “Error 822” for more details on possible causes and actions.
Contact Sybase technical support to report this problem. If this error persists, A configurable shared memory dump (CSMD) configured may be helpful in determining root cause for this error.
Information about CSMD can be found in the chapter “Other Useful Tasks” in the most recent version of the Troubleshooting and Disaster Recovery guide.
Version 12.5.2 and later