[Bug 112264] kde applications blocked when home dir on nfs

[David Cournapeau]

Public bug reported:

When I updgrade to feisty (from edgy), I noticed that kde applications did not work anymore (I am using gnome as a DE, but sometimes use kde applications, mainly kdevelop/kcachegrind). I for example try to launch konqueror from the command line, and I get first a X error:
"X error BadDevice , invalid or uninitialized input device 155
  Major opcode:  144
  Minor opcode:  3
  Resource id:  0x0
Failed to open device"
and then nothing happens (no cpu taken, the application still running, but no window opens).

Suspecting the problem to be caused by something different, I ran the
application under strace, and noticed that the app fails when opening a
lock file in my home directory, which is on a NFS server:

open("/home/david/.qt/.qt_plugins_3.3rc.lock", O_RDWR|O_CREAT|O_LARGEFILE, 0600) = 12
fcntl64(12, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}

Changing the qt dir to something on my local filesystem solved the
problem.

** Affects: kdebase (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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kde applications blocked when home dir on nfs
https://bugs.launchpad.net/bugs/112264
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