On Mon, Oct 09, 2017 at 02:54:04PM +0200, Peter Zijlstra wrote: > On Mon, Oct 09, 2017 at 08:21:13PM +0800, Fengguang Wu wrote: > > > > From e7840ad76515f0b5061fcdd098b57b7c01b61482 Mon Sep 17 00:00:00 2001 > > > > Message-Id: > > > > <e7840ad76515f0b5061fcdd098b57b7c01b61482.1507215196.git.jpoim...@redhat.com> > > > > From: Josh Poimboeuf <jpoim...@redhat.com> > > > > Date: Thu, 5 Oct 2017 09:43:59 -0500 > > > > Subject: [PATCH 1/2] unwinder fixes > > > > > > > > --- > > > > arch/x86/kernel/unwind_frame.c | 33 ++++++++++++++++++++++++++++++--- > > > > I just test 316 boots and see 7 WARNINGs: > > > > [ 404.948035] WARNING: kernel stack frame pointer at c6ea3ecd in init:212 > > has bad value (null) > > [ 298.118383] WARNING: kernel stack frame pointer at cde07dad in init:1 > > has bad value bc000000 > > [ 112.848677] WARNING: kernel stack frame pointer at cde07dbd in > > swapper/0:1 has bad value c2000000 > > [ 127.942417] WARNING: kernel stack frame pointer at cf95de71 in > > rb_producer:50 has bad value 03cf95de > > [ 4.736938] WARNING: kernel stack frame pointer at bf643d59 in > > kworker/0:1:15 has bad value b5000000 > > [ 308.260066] WARNING: kernel stack frame pointer at bde07da5 in udevd:155 > > has bad value b5bfa17b
These unwinder warnings can be ignored. I meant to disable them on 32-bit with the patch, but obviously failed to do so. -- Josh
