Kernel Crash with FC3 [glibc?]

[Ulrich Drepper]

Pekka Pietikainen wrote:
> Possibly related is what I saw a while back, there was a local user 
> and a NIS+ user with different uid etc. nsswitch.conf had 
> passwd: files nisplus yet it used the nis+ user until nscd was 
> stopped. clearing up the nscd caches ( rm -f /var/db/nscd/* )  made it
> work again even with nscd running.

If the local user was only created shortly before that, this is the 
expected behavior.  The whole point is to cache results.  Only when they 
time out (as controlled in nscd.conf) will the entries be reloaded.  And 
then they are searched in the usual way, not by preferring the service 
which previously provided the result.


> Didn't get around to filing a bug, especially since the nis+ is "somewhat"
> custom, but nscd invalidating its caches on startup (either rm or nscd -i)
> might be a good idea nevertheless?

Then deselect "persistent" in nscd.conf for the database.  This is one 
of the big new features of nscd in recent times (you haven't read the 
release notes, I gather).  If you cannot use it because your local user 
organization is so flaky disable it.  It is definitely of benefit to the 
fast majority of users.

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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