Run input file with pipe cmdlines will get nothing output. crash> p cpu_info:0 | grep 'x86 =' x86 = 0x19, crash> cat crashrc p cpu_info:0 | grep 'x86 =' p cpu_info:0 | grep 'x86 =' crash> < crashrc crash> p cpu_info:0 | grep 'x86 =' x86 = 0x19, crash> p cpu_info:0 | grep 'x86 =' crash> Signed-off-by: neilfsun <neilfsun(a)tencent.com&gt; Signed-off-by: Feng Sun <loyou85(a)gmail.com&gt; --- cmdline.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/cmdline.c b/cmdline.c index 65da04c..4add548 100644 --- a/cmdline.c +++ b/cmdline.c @@ -1285,6 +1285,8 @@ restore_ifile_sanity(void) close_tmpfile2(); } + wait_for_children(ALL_CHILDREN); + restore_gdb_sanity(); free_all_bufs(); -- 2.50.1