Hi Dave, Currently for the s390dbf command we use stdout as file descriptor. This has the drawback that it is not possible to grep through the output of the command. To solve the problem with this patch we use "fp" instead of "stdout". Michael PS: I am no longer able to download the crash tarball from your web site: http://people.redhat.com/anderson/crash-5.0.4.tar.gz --- s390dbf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/s390dbf.c +++ b/s390dbf.c @@ -1325,7 +1325,7 @@ void cmd_s390dbf() int i,c; command_t cmd = { - .ofp = stdout, + .ofp = fp, .efp = stderr, .cmdstr = "s390dbf", .command = "s390dbf",