Re: 2.6.17-rc5-mm1

Ingo Molnar
2006-05-30T22:29:33Z

* Ingo Molnar <mingo@elte.hu> wrote:

> * Ingo Molnar <mingo@elte.hu> wrote:
>
> > PREEMPT wasnt the problem but CONFIG_DEBUG_STACKOVERFLOW (at least).
> > There's some other debug option that seems incompatible too - i'm
> > still trying to figure out which one.
>
> narrowed it down to:

CONFIG_PROFILE_LIKELY it is, please disable it in your config, along
with CONFIG_DEBUG_STACKOVERFLOW:

--- .config.good02 2006-05-31 00:28:35.000000000 +0200
+++ .config.bad01 2006-05-31 00:22:28.000000000 +0200
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.17-rc5-mm1-lockdep
-# Wed May 31 00:26:04 2006
+# Wed May 31 00:19:45 2006
#
CONFIG_X86_32=y
CONFIG_GENERIC_TIME=y
@@ -1819,7 +1819,7 @@ CONFIG_STACK_UNWIND=y
CONFIG_FORCED_INLINING=y
CONFIG_DEBUG_SYNCHRO_TEST=y
CONFIG_RCU_TORTURE_TEST=y
-# CONFIG_PROFILE_LIKELY is not set
+CONFIG_PROFILE_LIKELY=y
# CONFIG_WANT_EXTRA_DEBUG_INFORMATION is not set
# CONFIG_KGDB is not set
CONFIG_EARLY_PRINTK=y

Ingo