Bug#555105: libc6: segfault when ctrl-alt-F1 and attempt to login

[Clayton <ckoeni@gmail.com>]

On Tue, 10 Nov 2009 19:36:48 +0100
Aurelien Jarno <aurelien@aurel32.net> wrote:

> On Sun, Nov 08, 2009 at 11:39:50PM +0800, Clayton wrote:
> > On Sun, 8 Nov 2009 15:23:43 +0100
> > Aurelien Jarno <aurelien@aurel32.net> wrote:
> > 
> > > On Sun, Nov 08, 2009 at 09:42:49PM +0800, clayton wrote:
> > > > Package: libc6
> > > > Version: 2.10.1-5
> > > > Severity: important
> > > > 
> > > > When I pull up a terminal screen with Ctrl-Alt-Fx and attempt to
> > > > login (root or regular user) I get the following:
> > > > 
> > > > "login: segfault at bc43c704 ip b7f4c2da sp bfbeb1dc error 4 in 
> > > > libc-2.10.1.so[b7ed9000+141000]
> > > > 
> > > > and login fails and I am returned to the login prompt. Ie.
> > > > Ctrl-Alt-Fx totally broken.
> > > > 
> > > 
> > > Does rebooting the machine fixes the issue?
> > 
> > No, but I just accidentally discovered that if I attempt to login
> > with an incorrect password, and get kicked back to the login prompt
> > with a "password incorrect" error, the next login with the correct
> > password will succeed. Then if I logout and attempt to login with a
> > correct password again, a segfault again.
> > 
> > A work-around, at least. So I would be alright if you downgraded the
> > severity from "important" to "normal".
> 
> I still think it is important.
> 
> Could you please try to install debsums, and run "debsums libc6". It
> should tell you if all the files are installed correctly.
> 
> If it doesn't help, can you try to run "iconvconfig" as root?

debsums thinks libc6 is just fine. 

Re. iconvconfig, I am assuming you want me to run it and then try a
login thereafter? No change, I am afraid....

Clayton