[Crash-utility] a strange thing

[Dave Anderson]

Yang Zhiguo wrote:
> hi, all
> 
> When i used crash in a bash script file, a strange thing happened.
> 
> step 1:
> I created a bash script file: test.sh and put the following line to the 
> file.
> crash -i inputfile > stdout
> 
> [root at rhel51rc2 gid]# echo "crash -i inputfile > stdout" > test.sh
> 
> step 2:
> I ran the bash script file.
> But i forgot to create the inputfile, so the tesh.sh process hanguped.
> 
> [root at rhel51rc2 gid]# chmod 777 test.sh
> [root at rhel51rc2 gid]# ./test.sh
> 
> 
> step 3:
> I killed the process in another terminal.
> 
> [root at rhel51rc2 gid]# ps aux | grep crash
> root      2290  1.3  2.6 156064 89648 pts/3    S+   16:53   0:03 crash 
> -i inputfile
> root      2310  0.0  0.0  61280  1792 pts/4    S+   16:56   0:00 grep crash
> [root at rhel51rc2 gid]# kill -9 2290
> [root at rhel51rc2 gid]#
> 
> step 4:
> I continued to use the first terminal. The strange thing happend, that I 
> could not see
> the command(ex. ls) I inputed, but when I pressed Enter, It was 
> executed. what's wrong?
> 
> [root at rhel51rc2 gid]# ./test.sh
> ./test.sh: line 1:  2290 Killed                  crash -i inputfile >stdout
> [root at rhel51rc2 gid]# a.out  CVS  gid.c  gid.stp  Makefile  run.sh  
> stdout  test.sh
> [root at rhel51rc2 gid]#

I'm not sure, but try entering "reset" in that window.  It probably is
due to the killed crash utility leaving the tty in a raw mode.