Common Seismic UNIX Error Messages and Causes

sugethw: fgettr.c: segy input can't be tty

or

suwind: fputtr.c: segy output can’t be terminal

Need to add re-direction for input data (<) or output data(>)

suwind: fgettr.c: on trace #2, number of samples in header (0) differs from number for first trace (256)

Most likely an ENDIAN issue, since number reported for first trace

header is incorrect (should be 240).

sugethw: fgettr.c: bad first header

Input is probably not SU data.

sugethw: fgettr.c: unable to handle 45836 > 32768 samples per trace

Almost always an ENDIAN issue.

suwind: fgettr.c: on trace 100, tried to read 8004 bytes, read 1000 bytes

Corrupted or truncated data, ns in trace header is 2001, but only 250 samples were on disk

suwind: fgettr.c: no data on first trace

File contains a valid header, but no trace.

suwind: fgettr.c: first trace: read only 100 bytes of 1001

File contains a valid header and partial first trace.

suwind: fgettr.c: on trace 200 read 100 bytes expected 240 bytes

200^th trace contains only a partial header.