Carlos A. M. dos Santos writes:
Try to debug the "login" program:
(become root)
# cd /usr/src/usr.bin/login
# make clean
# make CFLAGS=-g
# gdb /usr/obj/usr/src/usr.bin/login/login
(supposing that "sagara" is your user name)
#run sagara
(fill-in the password name, if requested)
If the signal 11 is caught, issue "bt" command in gcc. It will show
you where the break happened.
I tried to debug the login program, here are the results:
1. For normal users, gdb exists "Program exited normally."
2. For root, gdb says "Login incorrect".
On /var/log/messages:
login: pam_acct_mgmt(): authentication error
login: 1 LOGIN FAILURE ON ttyp0
Btw, I have mentioned in my first post that I do not have an issue with
normal user logins. Its only root has a problem.
When try to "su -l" from a normal user, there is no "pam_acct_mgmt():
authentication error" on logs. Its only a "(su), uid 0: exited on signal
11".
Regards
Sagara
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