Sam Handel posted on Wed, 23 Jun 2010 21:55:26 -0400 as excerpted:
> I am running KDE 4.3.5 on Gentoo linux, 64 bit intel/amd, kernel
> 2.6.33.8.
>
> When a cifs mount becomes unreachable, the desktop hangs, even though
> the mount point has not ever been in use by any application or process.
> I have been able to regain control to sometimes see a kio_slave process
> running at 100% of one core. That's the best case, sometimes the hang
> has been so total the only option was to hit the hardware reset.
Obviously, something's polling that CIFS share, thru the kio-slave. The
question is what.
How do you have your nepomuk/strigi file indexing setup? KDE 4.3.5 is
nearly six months outdated (I'm running current, 4.4.4) and I'm not sure
the configuration is the same, but in 4.4 at least, in kcontrol (wrongly
aka systemsettings, it's generally user specific kde settings, not
system-wide system settings), advanced user settings, desktop search,
desktop file indexing can be disabled entirely, if you like, or set to
exclude indexing for parts of the filesystem tree.
For 4.4 and even more so for 4.3, the indexing may be there, but kde
doesn't make a whole lot of use of it, yet. Given that, you may wish to
disable indexing entirely, until perhaps 4.5 or 4.6, at which point
applications should begin to integrate that extra information, and it
might actually be worth having. Alternatively, keep indexing on in
general, but configure it to exclude your cifs mountpoints from its
indexing.
Either disabling indexing entirely, or simply excluding the cifs
mountpoints, should kill /that/ particular access to those mountpoints.
Hopefully that eliminates your problem.
It's also possible that the device notifier is giving you some trouble.
I'm not sure how it interacts with network based filesystems appearing and
disappearing, but if it's not the indexing above, it can't hurt to try
removing the device notifier plasmoid to see if that fixes the problem.
You can always add it back (unlock widgets if necessary, add widgets, find
device notifier and drag it to where you want it) later, if desired. If
removing the device notifier does eliminate the problem, but you use it,
it does allow some configuration. Perhaps configuring it not to bother
with the cifs mountpoints will help.
The problem could also be other plasmoids. You say the mountpoint hasn't
been used, but are you accounting for, for instance, folderview plasmoids
that might be pointed at a directory on the cifs mountpoint? Some people
forget about those.
But I'm guessing it's the nepomuk/strigi indexing, and either disabling
that, or telling it to ignore the cifs mountpoints, will fix it for you.
We'll see, I guess.
--
Duncan - List replies preferred. No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master." Richard Stallman
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