Re: [Tracker] Trackerd and FUSE file systems

[Fredrik Blom <fblom kth se>]

I modified depot.c but not xdmmimecache.c, as it already only had
MAP_PRIVATE and not MAP_SHARED. Anyway, I could replicate your findings
which you wrote about in the GNOME bugzilla. Trackerd was able to index
my files, but I cannot search them.

2007-01-11 16:45 -0600 zer0halo wrote:
> Ran into the same problem. A couple of changes to the tracker source
> code keep it from crashing, but the indexing results are off. See bug
> filed here:
> http://bugzilla.gnome.org/show_bug.cgi?id=395277
> 
>  Jamie said he would try to look into it. 
> 
> Fredrik, could you try the same changes, compile from source, and see
> if you get the same results as I did?
> 
> On 1/11/07, Fredrik Blom <fblom kth se> wrote:
>         Hello,
>         
>         Around two months ago I sent a mail to this mailing list,
>         concerning a
>         problem in trackerd when running it on top a FUSE file system.
>         No one
>         seemed interested in the problem so I just ignored it and
>         hoped for 
>         someone else to fix it. Well, I just saw that 0.5.3 was
>         available, and
>         so I thought about checking it out and see if the problem was
>         still
>         there or not. Guess what? It's still there. ;)
>         
>         So, to almost repeat my last mail, in a shorter version: If
>         one tries to 
>         encrypt his/hers home directory with EncFS for FUSE and then
>         run
>         trackerd, it'll cause trackerd to crash. It simply does not
>         work on top
>         a FUSE file system. Here's some runtime and dubug information
>         below: 
>         
>         $ rm -r ~/.Tracker/ && gdb trackerd
>         GNU gdb 6.4
>         Copyright 2005 Free Software Foundation, Inc.
>         GDB is free software, covered by the GNU General Public
>         License, and you
>         are
>         welcome to change it and/or distribute copies of it under
>         certain 
>         conditions.
>         Type "show copying" to see the conditions.
>         There is absolutely no warranty for GDB.  Type "show warranty"
>         for
>         details.
>         This GDB was configured as "i586-pc-linux-gnu"...Using host
>         libthread_db 
>         library "/lib/libthread_db.so.1".
>         
>         (gdb) run
>         Starting program: /usr/bin/trackerd
>         [Thread debugging using libthread_db enabled]
>         [New Thread -1211947344 (LWP 13848)]
>         
>         
>         Tracker version 0.5.3 Copyright (c) 2005-2006 by Jamie
>         McCracken
>         (jamiemcc gnome org)
>         
>         This program is free software and comes without any warranty.
>         It is licensed under version 2 or later of the General Public
>         License 
>         which can be viewed at http://www.gnu.org/licenses/gpl.txt
>         
>         Initialising tracker...
>         Setting ioprio best effort.
>         setting stopword list for language code sv
>         Using stemmer for language sv
>         
>         Tracker configuration options :
>         Debug mode enabled :                    no
>         Low memory mode :                       no
>         Faster indexing :                       no
>         Indexing enabled :                      yes 
>         Watching enabled :                      yes
>         File content indexing enabled :         yes
>         Thumbnailing enabled :                  no
>         Evolution email indexing enabled :      no
>         Thunderbird email indexing enabled :    no 
>         K-Mail indexing enabled :               no
>         
>         Tracker indexer parameters :
>         Indexer language code :                 sv
>         Minimum index word length :             3
>         Maximum index word length :             30
>         Stemmer enabled :                       yes
>         Using Pango word breaking :             no
>         
>         
>         Setting watch directory roots to:
>         /home/sachankara
>         
>         Using Sqlite version 3.3.5
>         Loading prepared queries...
>         File loaded in  1,000000 ms
>         initialising the indexer
>         Opening index /home/sachankara/.Tracker/databases/Files
>         /home/sachankara/.Tracker/databases/Files index was not closed
>         properly
>         - attempting repair
>         
>         Program received signal SIGSEGV, Segmentation fault. 
>         [Switching to Thread -1211947344 (LWP 13848)]
>         crsetalign (curia=0x0, align=-2) at curia.c:311
>         311       if(!curia->wmode){
>         (gdb) backtrace
>         #0  crsetalign (curia=0x0, align=-2) at curia.c:311
>         #1  0x0805f606 in tracker_indexer_open (name=0x8078844
>         "Files") at 
>         tracker-indexer.c:227
>         #2  0x0806178c in tracker_db_initialize (datadir=0x8092920
>         "/home/sachankara/.Tracker/data") at tracker-db-sqlite.c:448
>         #3  0x0804f2de in main (argc=1, argv=0xbffe4684) at
>         trackerd.c :2777
>         #4  0xb7c49894 in __libc_start_main () from /lib/libc.so.6
>         #5  0x0804e0b1 in _start ()
>         (gdb)
>         
>         I might be the only one running my home directory on top of
>         EncFS, but
>         for example once ZFS have been properly ported to FUSE people
>         might 
>         notice that tracker doesn't work.
>         
>         Unfortunately I do not have enough knowledge nor time to fix
>         the problem
>         myself. So help any help would be appreciated.
>         
>         Thanks,
>         
>         Fredrik Blom
>         _______________________________________________ 
>         tracker-list mailing list
>         tracker-list gnome org
>         http://mail.gnome.org/mailman/listinfo/tracker-list
> 
> 
> 
> -- 
> "Impossible is nothing."