[Bug 965773] [NEW] SIGPIPE with nepomukservicestub

[Daniel Franke]

Public bug reported:

Since a few days nepomukservices/virtuoso-t went haywire, used 100% CPU
time, hour-long(!) KDE startup time, kontact not starting due to strigi
being "Not available" (although it was supposed to be started according
to kcm), the whole shebang.

After renaming the folder .kde/share/apps/nepomuk and restarting things
worked for a while. Now I realized that it went bad again; `strace -p
<nepomukservicespid>` shows gazillion lines of:

write(2, "\"00:00:50 Reference to page with"..., 75) = -1 EPIPE (Broken pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---

written out as fast as it can, resulting in:
PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                
 1969 daniel    39  19 79008  15m  12m R   98  0.5   1549:28 nepomukservices                                                                           
 1985 daniel    39  19 44180  29m 4264 S   73  0.9   1138:31 virtuoso-t

Fun fact: I customized my folders to index to _none at all_ in the
Nepomuk System Settings (see also #584341).

This KDE bug may or may not be related: https://bugs.kde.org/show_bug.cgi?id=291001 (nepomuk broken with soprano 2.7.4)
My file system contains multiple NFS and one fusefs/ssh mount.

I have installed: 
  libsoprano4   2.7.4+dfsg.1-0ubuntu0.1
  kde-runtime (nepomukservicestub) 4:4.7.4-0ubuntu0.1

** Affects: kde-runtime (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  SIGPIPE with nepomukservicestub

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