[Bug 238876] Re: Inmediatly after upgrade to firefox 3.0-RC1 from official repo, bookmarks are lost, and toolbar (back, forward, reload, stop) doesn't work

[Mike Fisk]

I've had this problem a few times and finally diagnosed it as stale NFS file locks.  The workaround was to make a fresh copy of my profile directory.  For example:
  mv zlpvr32r.default foo
  cp -a foo zlpvr32r.default

I determined that one or more of the sqlite files were locked.  My home
directory is served via NFS (from an RHEL4 server) and this problem
always occurred after a reboot.  The problem is that the NFS server is
still holding locks and the NFS client reboot didn't free them as it
should have.   This could be an rpc.statd problem, incorrect hostname
setting, etc.

To see if your problem is a locking issue, cd to your profile directory and run this command to list the files that cannot be locked:
     find . -type f \( -exec flock -nx {} -c true \; -o -print \)

So this is basically sqlite falling victim to poor NFS locking.  I don't
think firefox itself could fix anything and I'm not even sure how sqlite
could be made more robust to stale locks.  Using NFS4 would probably
reduce these problems since it has better locking.

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Inmediatly after upgrade to firefox 3.0-RC1 from official repo, bookmarks are lost, and toolbar (back, forward, reload, stop) doesn't work
https://bugs.launchpad.net/bugs/238876
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