64bit PowerPC debuginfo files have an empty function descriptor section. I hit a SEGV when perf tried to use this section for symbol resolution. To fix this we need to check the section is valid and we can do this by checking for type SHT_PROGBITS. Signed-off-by: Anton Blanchard Cc: --- Index: linux-2.6-tip/tools/perf/util/symbol.c =================================================================== --- linux-2.6-tip.orig/tools/perf/util/symbol.c 2011-08-19 12:33:08.271144414 +1000 +++ linux-2.6-tip/tools/perf/util/symbol.c 2011-08-19 12:33:21.501373684 +1000 @@ -1113,6 +1113,8 @@ static int dso__load_sym(struct dso *dso } opdsec = elf_section_by_name(elf, &ehdr, &opdshdr, ".opd", &opdidx); + if (opdshdr.sh_type != SHT_PROGBITS) + opdsec = NULL; if (opdsec) opddata = elf_rawdata(opdsec, NULL); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/