Date: Fri, 3 May 2013 17:28:31 -0400 (EDT) From: Rick Macklem <rmacklem@uoguelph.ca> To: Hartmut Brandt <hartmut.brandt@dlr.de> Cc: current@freebsd.org Subject: Re: files disappearing from ls on NFS Message-ID: <474776293.114628.1367616511905.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <alpine.BSF.2.00.1305021801110.95088@KNOP-BEAGLE.kn.op.dlr.de>
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Hartmut Brandt wrote: > Hi, > > I've updated one of my -current machines this week (previous update > was in > february). Now I see a strange effect (it seems only on NFS mounts): > ls or > even echo * will list only some files (strange enough the first files > from > the normal, alphabetically ordered list). If I change something in the > directory (delete a file or create a new one) for some time the > complete > listing will appear but after sime time (seconds to a minute or so) > again > only part of the files is listed. > > A ktrace on ls /usr/src/lib/libc/gen shows that getdirentries is > called > only once (returning 4096). For a full listing getdirentries is called > 5 > times with the last returning 0. > > I can still open files that are not listed if I know their name, > though. > > The NFS server is a Windows 2008 server with an OpenText NFS Server > which > works without problems to all the other FreeBSD machines. > > So what could that be? > Just in case..is the NFS mount in a union mount by any chance? (There is a known bug for NFS readdir under a union mount, because the NFS client readdir isn't setting the eofflag. Someone has sent me a patch that looks fine, but it hasn't been checked into head yet.) I'll also grep a head kernel to check to see if anything else (except the NFS server) uses the eofflag argument to VOP_READDIR(). rick > Regards, > harti > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to > "freebsd-current-unsubscribe@freebsd.org"
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