My personal opinion on debugging output is that fatal errors should ALWAYS be printed, recoverable errors have next priority, warnings, etc... If it stops the program, it should complain.
From: Alan Hourihane <alanh@xxxxxxxxxxxxxxxxxxxx>
Reply-To: xfree86@xxxxxxxxxxx
To: Ian Romanick <idr@xxxxxxxxxx>
CC: xfree86@xxxxxxxxxxx,"DRI developer's list" <dri-devel@xxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [Dri-devel] Re: [XFree86] Re: DRI weirdnesses for RADEON 9200
Date: Fri, 31 Oct 2003 10:04:20 +0000
On Thu, Oct 30, 2003 at 05:07:33PM -0800, Ian Romanick wrote: > manu wrote: > > >Le 30.10.2003 17:07:54, manu a écrit : > > > >>So I ran glxinfo see below which told me that Direct Rendering is not > >>enabled! This is crazy as you can check in the XFree log (file > >>attached). > >>Hope someone can tell me more about this, be it to file this directly > >>as a bug on bugzilla ;-) > >>Thanks > > > >Responding to myself : sorry it seems that the problem is because the > >r200_dri.so module is linked against libexpat.so.1 which is not on my > >system. So I just made a link to the one I had and all is working great > >now! > >glxgears gives me ~1535 FPS. Is it OK? (Radeon 9200 with 64MB). > >Thanks for the help, and sorry for eating the bandwidth ;-) > > Ah! Actually, thank you very much. :) The problem seems to be that > with libexpat.so missing, there are unresolved symbols in r200_dri.so. > The dlopen of r200_dri.so in OpenDriver (lib/GL/dri/dri_glx.c, line 184) > fails. HOWEVER, it only logs a message if LIBGL_DEBUG is set. I > removed libexpat from my system and was able to recreate the crash. > With LIBGL_DEBUG set I get a nice message about not being able to open > the driver. > > My person opinion is that the error messages in OpenDriver (but not the > ones in GetDriverName) should be printed regardless of the setting of > LIBGL_DEBUG. That would have helped find the source of this problem > much sooner. We basically got lucky that Manu figured out that libexpat > was missing for himself. :)
We should probably link against the static version of libexpat.a to avoid this trouble.
Alan. _______________________________________________ XFree86 mailing list XFree86@xxxxxxxxxxx http://XFree86.Org/mailman/listinfo/xfree86
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