Cannot login as root, exited on signal 11

[Glen Barber]

On Tue, Jun 16, 2009 at 11:11 AM, Unga<unga888 at yahoo.com> wrote:
>
> --- On Tue, 6/16/09, Tim Judd <tajudd at gmail.com> wrote:
>
>> From: Tim Judd <tajudd at gmail.com>
>> Subject: Re: Cannot login as root, exited on signal 11
>> To: "Unga" <unga888 at yahoo.com>
>> Cc: freebsd-questions at freebsd.org, mail25 at bzerk.org
>> Date: Tuesday, June 16, 2009, 10:10 PM
>> su -l discards the previous
>> environment and loads a new environment.
>> It's as if you're "logging in" as root (-l)
>>
>> running su without -l will elevate your priveledges without
>> this same
>> problem, you keep the same shell.  Fix your shell
>> problems via this
>> way (or single user as originally described), and be
>> careful next
>> time.
>>
>
> Hi Tim, thanks for the reply. I have not identified yet the problem to be solved.
>
> If you refer that I use bash for root is the problem, there is no difference by switching root's shell to sh.
>
> With sh as the shell for root:
> 1. Still cannot login as root from the console. Child process died error.
>
> 2. "su -l" doesn't work, child process died error.
>
> 3. su works. But the prompt is [\u at host name]#
> Why it doesn't print root at host? whoami shows root.
>
> What is the problem you think that I should fix? any ideas? any thread related error as the child process die when in root?
>

What have you recently changed on the system?  What did you do / were
you doing right before you could no longer log in as root?

When was the last time you checked your system for malware?

security/rkhunter may be a good idea.

-- 
Glen Barber