Date: Mon, 13 Jul 2009 13:43:51 -0400 From: Adam McDougall <mcdouga9@egr.msu.edu> To: Michael Proto <mike@jellydonut.org> Cc: Vlad Galu <dudu@dudu.ro>, freebsd-stable@freebsd.org Subject: Re: pw groupadd/useradd fail when the nscd cache is used for name/group resolution Message-ID: <4A5B7257.1010202@egr.msu.edu> In-Reply-To: <1de79840907131028n5b8f21deyd968639732c651a4@mail.gmail.com> References: <ad79ad6b0907090613t78cf8540n5fcd3934cadde526@mail.gmail.com> <20090713165717.GN2145@acme.spoerlein.net> <1de79840907131028n5b8f21deyd968639732c651a4@mail.gmail.com>
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Michael Proto wrote: > On Mon, Jul 13, 2009 at 12:57 PM, Ulrich Spörlein<uqs@spoerlein.net> wrote: > >> On Thu, 09.07.2009 at 16:13:25 +0300, Vlad Galu wrote: >> >>> I've stumbled upon this while installing postgres. In >>> /etc/nsswitch.conf I had "group: cache files compat" and "passwd: >>> cache files compat". Once I commented them out things started working >>> again. Before the change, this is how it looked like: >>> >>> -- cut here -- >>> [root@vgalu /usr/ports/databases/postgresql84-server]# pw group add pgsql -g 70 >>> pw: group disappeared during update >>> [root@vgalu /usr/ports/databases/postgresql84-server]# pw group add pgsql -g 70 >>> pw: group 'pgsql' already exists >>> [root@vgalu /usr/ports/databases/postgresql84-server]# >>> -- and here -- >>> >>> Shouldn't 'files' be used upon a cache miss? If this is a PEBKAC, >>> sorry for the noise. >>> >> Just a me too. This is most likely because nscd is also caching negative >> lookups. The usual workaround would be to restart it using >> /etc/rc.d/nscd restart >> >> > > A slightly lower-impact alternative would be to use "nscd -i passwd" > to invalidate the password cache. > > > -Proto > _______________________________________________ > I was intending to report this soon as well (its been on my list for a while) as a problematic issue while installing ports. The other issue I had was Java would crash immediately if I had nscd running (configured to cache YP). I plan to report that soon if it still happens with 1.6. I probably tested with 1.4 or 1.5.
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