On Sun, 2008-08-24 at 16:46 +0200, Andreas Schwab wrote: > Michael Buesch <[EMAIL PROTECTED]> writes: > > > The following workaround seems to fix the crashes on powerpc. > > However, this patch is clearly not what we want for other architectures, > > as they might need -fno-omit-frame-pointer to function properly. > > This has a better chance to be accepted. :-)
Unfortunately, that won't solve the FTRACE problem. Ben. > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index 8b5a7d3..f9a2e48 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -394,7 +394,7 @@ config LOCKDEP > bool > depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT > && LOCKDEP_SUPPORT > select STACKTRACE > - select FRAME_POINTER if !X86 && !MIPS > + select FRAME_POINTER if !X86 && !MIPS && !PPC > select KALLSYMS > select KALLSYMS_ALL > > > > Index: linux-2.6/kernel/Makefile > > =================================================================== > > --- linux-2.6.orig/kernel/Makefile 2008-08-24 11:50:23.000000000 +0200 > > +++ linux-2.6/kernel/Makefile 2008-08-24 12:15:54.000000000 +0200 > > @@ -92,13 +92,13 @@ obj-$(CONFIG_SMP) += sched_cpupri.o > > ifneq ($(CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER),y) > > # According to Alan Modra <[EMAIL PROTECTED]>, the -fno-omit-frame-pointer > > is > > # needed for x86 only. Why this used to be enabled for all architectures > > is beyond > > # me. I suspect most platforms don't need this, but until we know that > > for sure > > # I turn this off for IA-64 only. Andreas Schwab says it's also needed on > > m68k > > # to get a correct value for the wait-channel (WCHAN in ps). --davidm > > -CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer > > +CFLAGS_sched.o := $(PROFILING) > > CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER is already enabled on powerpc. > > Andreas. > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
