Greets, all-

I was hoping someone could help me out here.  I finished LFS, and am
now working through the relevant parts of BLFS.  Things are going
pretty smoothly, I'm fixing some mistakes I made in config files and
stuff (init.t?), I was working last night, and all of a sudden "su"
does not work.  It hangs, hogging resources.

Here's what I know:

- I completed LFS 6.4rc1, started 11/19, using LiveCD 6.3r2, first boot on 11/25

- I had gotten through BLFS ch 3, section "About Devices" before.  su
still working.

- I have already also installed (bc-1.06, OpenSSL-0.98g, and
wget-1.10.2), (libpng-1.2.29, pcre-7.6, slang-2.1.3, and nano-2.0.7),
and (procmail-3.22, sendmail-8.14.3, and fcron-3.0.4), and ntp-4.2.4p0

- At this point, su still worked.

- I worked through the rest of ch 3, skipping the last two sections on
automount and nfs.  I'll tackle those some other time if I need or
want them.

- I was reading ch 4, but was basically going to skip all of it, at
least for now.  I never installed cracklib or PAM or anything, so I
didn't need to re-install the shadow package.  I tried that anyway,
and it didn't work.

- I think it was when I was tweaking my prompt appearance, and was
using su to go back and forth (with "exit", not more su), and it hung.

- When it hangs, the only thing that happens is that the cursor goes
to the line under the prompt and sits there.  If I wait, it doesn't
help.

- If I ctrl-alt-2 to another terminal while it's hung, log in as root,
and run "top," su is using 99.5 to 99.8 percent of my processor, and
holds steady with memory use.

- I can ctrl-c to kill su.

- I have lots of free disk space (a possible cause I found on google).

- This happens whether I am logged in as a user or as root.

Any ideas?  Thanks in advance for your help!
Ian
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