linux-kernel - Re: [4.14-rc1 x86] WARNING: kernel stack regs at f60bbb12 in swapper:1 has bad 'bp' value 0ba00000

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Message-Id: <201710031929.GGI78159.FHLQOJOtFMVSOF@I-love.SAKURA.ne.jp>
Date:   Tue, 3 Oct 2017 19:29:36 +0900
From:   Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:     tglx@...utronix.de, mingo@...hat.com, hpa@...or.com
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org
Subject: Re: [4.14-rc1 x86] WARNING: kernel stack regs at f60bbb12 in swapper:1 has bad 'bp' value 0ba00000

Tetsuo Handa wrote:
> Tetsuo Handa wrote:
> > Tetsuo Handa wrote:
> > > I'm seeing below error between
> > > 4898b99c261efe32 ("Merge tag 'acpi-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm") (git bisect good (presumably))
> > > e6f3faa734a00c60 ("locking/lockdep: Fix workqueue crossrelease annotation") (git bisect bad) on linux.git .
> > 
> > F.Y.I. This error remains as of 46c1e79fee417f15 ("Merge branch 'perf-urgent-for-linus' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") on linux.git .
> > 
> 
> This error still remains as of 6e80ecdddf4ea6f3 ("Merge branch 'libnvdimm-fixes'
> of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm") on linux.git .
> 
> I'm suspecting that this error is causing very unstable x86_32 kernel.
> It seems that this error occurs (though rare frequency) even on x86_64 kernel.
> 
> Nobody cares?
> 
4.14-rc3 still trivially panics due to this error. Is this problem known?