Le 21/11/2010 20:03, Christopher Samuel a écrit : > On 22/11/10 05:45, Christopher Samuel wrote: > > > I'll try applying the same patch to the x86-64 build and doing > > a --enable-debug build there and compare them. > > Looking at the strace and the source seems to show that > both builds enter the look_powerpc_device_tree() function > (they both access proc/device-tree/cpus) but then on the > PPC system it doesn't look any further, whilst on x86-64 > it continues happily to look through the rest of the contents > of the extracted tar file.
You might want to add some printf in hwloc_opendir like I did with hwloc_access in my debug patch. I am fixing gather-topology to include empty directories in the tarball and the linux code to not use sysfs when the topology directory is empty. Debugging will be a bit mort clear then. Brice