- Entry:
- XBI2
- VIT option:
- XBUF
- Event:
- Extended buffer list AMU, SPAC, or TSCB
- VIT processing module:
- ISTITCXB
This trace record is a continuation of the XBI1 entry.
This record contains information about an extended buffer list entry
contained in an AMU, SPAC, or TSCB. 
- Byte (hex)
- Contents
- 00–03
- Record ID: C"XBI2"
- 04–07
- XBUFLST TSCB, SPAC, or AMU address
- 08
- Version of CSM buffer descriptor
- 09
- Buffer source
- 80
- ECSA
- 40
- Data space
- 20
- User data space
- 10
- User storage area other than a data space
- 0A
- Buffer type
- 80
- Fixed
- 40
- Pageable
- 20
- Eligible to be made pageable
- 0B
- 0
- 0C–17
- Buffer token or zeros
- 18–1B
- CSM data space ALET
- 1C–1F
- Address of data