Hi Jens, >> Yes. If we set unlimit core dump, fio will generate a core with >> backtrace like this one: >> >> #0 mfspr (envp=<value optimized out>) at arch/arch-ppc.h:55 >> 55 asm volatile("mfspr %0,%1": "=r" (val) : "K" (reg)); >> Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.107.el6.ppc64 libaio-0.3.107-10.el6.ppc64 >> (gdb) bt >> #0 mfspr (envp=<value optimized out>) at arch/arch-ppc.h:55 >> #1 get_cpu_clock (envp=<value optimized out>) at arch/arch-ppc.h:71 >> #2 atb_child (envp=<value optimized out>) at arch/arch-ppc.h:88 >> #3 atb_clocktest (envp=<value optimized out>) at arch/arch-ppc.h:98 >> #4 arch_init (envp=<value optimized out>) at arch/arch-ppc.h:116 >> #5 initialize_fio (envp=<value optimized out>) at libfio.c:248 >> #6 0x0000000010067294 in main (argc=<value optimized out>, argv=<value optimized out>, >> envp=<value optimized out>) at fio.c:33 >> >> >> Apologize for late to reply. > Alright, I'll have PPC default to the normal clock until we can improve > and detect this properly. Is there a new rpm for fio available with this fix? With fio version fio-2.1.2, I am still getting the core dump. Thanks, Saritha -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html