Kernel Logging and Printing Functions
The kernel logging and printing functions are:
- cmn_err(), vcmn_err()
- Display an error message 
- ddi_report_dev()
- Announce a device 
- strlog()
- Submit messages to the log driver 
- ddi_dev_report_fault()
- Report a hardware failure 
- scsi_errmsg()
- Display a SCSI request sense message 
- scsi_log()
- Display a SCSI-device-related message 
- scsi_vu_errmsg()
- Display a SCSI request sense message