linux-kernel - RE: [GIT PULL] More ACPI updates for v4.10-rc1

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Date:   Thu, 5 Jan 2017 05:11:30 +0000
From:   "Zheng, Lv" <lv.zheng@...el.com>
To:     "Zhang, Rui" <rui.zhang@...el.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        "Moore, Robert" <robert.moore@...el.com>
CC:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "ACPI Devel Maling List" <linux-acpi@...r.kernel.org>
Subject: RE: [GIT PULL] More ACPI updates for v4.10-rc1

Hi,

> From: linux-acpi-owner@...r.kernel.org [mailto:linux-acpi-owner@...r.kernel.org] On Behalf Of Zhang
> Rui
> Subject: Re: [GIT PULL] More ACPI updates for v4.10-rc1
> 
> On Wed, 2017-01-04 at 09:46 -0800, Linus Torvalds wrote:
> > On Thu, Dec 22, 2016 at 6:18 AM, Rafael J. Wysocki <rafael@...nel.org
> > > wrote:
> > >
> > >
> > > Please pull from the tag
> > >
> > >  git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
> > > \
> > >  acpi-extra-4.10-rc1
> > I only just noticed that this apparently introduces a new warning:
> >
> >   ACPI Warning: Table ffffffff9fe6c0a0, Validation count is zero
> > before decrement
> >
> > the bug may be old, it looks like just the check is new to commit
> > 174cc7187e6f.
> >
> > But it does seem like something is putting a table that wasn't
> > properly gotten.
> >
> this looks like the same issue reported here
> https://bugzilla.kernel.org/show_bug.cgi?id=191221
> 
> Lv, do you think the patch in comment #4 can fix the problem?

Yes, I think so.
If it cannot, we need to further get the stack of the warning and review the caller side code.

Thanks
Lv

> 
> thanks,
> rui
> --
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