Thanks for all your input, see comments below On Mon, Jul 14, 2008 at 04:44:18PM -0400, Todd Denniston wrote: > I think we kind of lost the OP's problem. > > John Austin wrote, On 07/14/2008 03:39 PM: >> On Mon, 2008-07-14 at 08:06 -0430, Patrick O'Callaghan wrote: >>> On Mon, 2008-07-14 at 13:07 +0100, Anne Wilson wrote: >>>> On Monday 14 July 2008 12:47:25 Tom Horsley wrote: >>>>> On Mon, 14 Jul 2008 11:21:28 +0200 >>>>> >>>>> David Jansen <jansen@xxxxxxxxxxxxxxxxxx> wrote: >>>>>> Has anyone else seen this? > OP summary:[ > /var/log/messages shows > kernel: dbus-daemon[22141]: segfault at 1c ip > 7fa454a5f2e0 sp 7fff5ca79fa8 error 6 in dbus-daemon[7fa454a31000+4c000] > after gdm login of users on NFS. > ] Yes, that's a good summary of a bad situation :) > >>>>> I have noticed some kind of problem with logging in >>>>> via GDM when I use a user with an NFS home, but never >>>>> investigated exactly what the problem was because it >>>>> is usually only by accident that I try it. > > Do you [or the OP] use soft mounts? > I have seen enormous problems, no matter which OS/version is acting as > the server, if the clients are soft mounting home with nfs, and it is > worse if the home directories are being automounted. I didn't use automount for /home, which I want permanently mounted anyway. But I had the entry in /etc/fstab just withg "defaults" as mount option. 'man 5 nfs' seems to indicate that 'hard' is the default. I'll add hard,intr anyway and see if that solves the problem. > Could the OP's problem be that some part of gnome/kde/gdm/kdm is > attempting to have dbus look at something in the users home dir which is > an auto/soft mounted dir and either not finding the file or getting an IO > error causes dbus-daemon to seg fault? [if the answer is yes, then we > have narrowed down the problem, and an appropriate bug needs to be put in > the system about dbus as being a daemon it should never die with > segfault.] I'm starting to suspect the gvfs system, which tries to mount stuff under $HOME/.gvfs and I don't see this mount showing up for a user with $HOME on nfs, only for users with local homes. I could understand that it may not have sufficient permissions to mount something under a remote nfs mount, but I would expect an error message; the logs don't seem to indicate any messages about gvfs. As for all the other comments about nfs problems: probably true, but it doesn't explain why Fedora <= 8, RHEL, and Solaris all seem to be perfectly happy with the network and nfs setup. It's certainly a new problem in fedora 9, or a new feature in Fedora 9 (like gvfs?) triggers the problem. Anyway, I have a new set of options to test, to see if that solves anything. Thanks to everyone who has resonded so far. David Jansen -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
