Re: [Qgis-user] Segmentation fault... Solved

[David J. Bakeman]

Micha Silver wrote: On 03/06/2010 05:37 PM, Micha Silver wrote: I opened a ticket on Redhat's bugzilla system [1], and immediately got a reply that the bug is a duplicate of a similar Gnome bug [2] from nearly a year ago. While the results seem similar, I doubt it's the same bug as all library versions have bumped up since then. But I'll try the patch suggested [3] to gdal (!) to see if it helps. [1] https://bugzilla.redhat.com/show_bug.cgi?id=570768 [2] https://bugzilla.redhat.com/show_bug.cgi?id=498111 [3] https://bugzilla.redhat.com/attachment.cgi?id=341828&action=""> Well, surprise, surprise. This segfault problem does indeed seem to be an old GDAL bug that has somehow resurfaced! I made the small change suggested in the above bugzilla report (id=498111). It's a minor change to the configure.in script.  I wiped the whole source directory of gdal, applied the suggested change, then ./configure; make; sudo make install. Then I rebuilt qgis and presto it worked! Why this problem cropped up now and not earlier? only <enter your favorite deity> knows... I try to always use rpms keeps things cleaner if I have to delete something :<) So I tried to rebuild the gdal rpm with the patch but that caused some undefined symbols and swig has been updated since the gdal build and it fails as well!  So I just disabled grass for the gdal build (I don't use grass much so I think it's OK for me)  and fixed the swig issue (found a patch on a ubuntu forum) and that built.  Once I updated gdal qgis works again!  You don't even have to rebuild qgis since it's using libgdal.so.  From reading the forum I suspect that a real fix needs to be done for the proj library so it doesn't leave it's symbols open but I'm not sure if I get a chance I'll play around with that. Regards, Micha -- Micha Silver http://www.surfaces.co.il/ Arava Development Co. +972-52-3665918

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