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Mac Forum / Programming / Mac Programming / November 2006XCode/GCC keeps throwing bus errors
It must be a full moon or something. GCC keeps throwing bus errors. I restart compiling and it continues but a while later it throws it again. And LD throws segmentation faults. Does anyone know why this is happening? > It must be a full moon or something. GCC keeps throwing bus errors. I > restart compiling and it continues but a while later it throws it > again. And LD throws segmentation faults. Does anyone know why this > is happening? Tested your memory lately? (Other than by running a compiler...) > Tested your memory lately? (Other than by running a compiler...) Actually I did. I looked on the Apple lists for this issue and that was suggested several times so I dutifully purchased the latest version of Memtest. Here's where it gets a little strange. The first time I ran it, it allocated something less than a quarter my RAM (2GB). The second time I ran it it was less than half. Running "top" said that something like 1.6 gig was in use. I wasn't running anything other than OSX and Terminal. So I figured a reboot might help. Now I was able to allocate nearly all the RAM and test it several times all with no errors whatsoever. And guess what. GCC compiled without a hitch. Over 2000 files. Weird. > > Tested your memory lately? (Other than by running a compiler...) > [quoted text clipped - 8 lines] > no errors whatsoever. And guess what. GCC compiled without a hitch. > Over 2000 files. Weird. here's another thing you can do, i noticed that for some reason GCC encounters bus errors ONLY during the optimization phase so if you turn off optimization, it should compile at least. it seems that running out of memory throws GCC into bus error or internal compiler error. |
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