linux-kernel - Re: ACPI errors with 3.7-rc3

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Message-ID: <8624291.VC5IbVfyqB@vostro.rjw.lan>
Date:	Thu, 08 Nov 2012 10:27:48 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	Azat Khuzhin <dohardgopro@...il.com>, linux-acpi@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Feng Tang <feng.tang@...el.com>, Lv Zheng <lv.zheng@...el.com>,
	Len Brown <lenb@...nel.org>,
	"Moore, Robert" <robert.moore@...el.com>
Subject: Re: ACPI errors with 3.7-rc3

On Thursday, November 08, 2012 05:47:15 AM Greg KH wrote:
> On Wed, Nov 07, 2012 at 10:49:40PM +0100, Rafael J. Wysocki wrote:
> > On Tuesday, November 06, 2012 01:48:26 PM Greg KH wrote:
> > > On Tue, Nov 06, 2012 at 04:42:24PM +0400, Azat Khuzhin wrote:
> > > > I'v also have such errors on my macbook pro.
> > > > 
> > > > $ dmesg | tail
> > > > [17056.008564] ACPI Error: Method parse/execution failed
> > > > [\_SB_.PCI0.LPCB.EC__.SMB0.SBRW] (Node ffff88026547ea10), AE_TIME
> > > > (20120711/psparse-536)
> > > > [17056.011194] ACPI Error: Method parse/execution failed
> > > > [\_SB_.BAT0.UBST] (Node ffff88026547e678), AE_TIME
> > > > (20120711/psparse-536)
> > > > [17056.013793] ACPI Error: Method parse/execution failed
> > > > [\_SB_.BAT0._BST] (Node ffff88026547e740), AE_TIME
> > > > (20120711/psparse-536)
> > > > [17056.016383] ACPI Exception: AE_TIME, Evaluating _BST (20120711/battery-464)
> > > > [17056.511373] ACPI: EC: input buffer is not empty, aborting transaction
> > > > [17056.512672] ACPI Exception: AE_TIME, Returned by Handler for
> > > > [EmbeddedControl] (20120711/evregion-501)
> > > > [17056.515256] ACPI Error: Method parse/execution failed
> > > > [\_SB_.PCI0.LPCB.EC__.SMB0.SBRW] (Node ffff88026547ea10), AE_TIME
> > > > (20120711/psparse-536)
> > > > [17056.517886] ACPI Error: Method parse/execution failed
> > > > [\_SB_.BAT0.UBST] (Node ffff88026547e678), AE_TIME
> > > > (20120711/psparse-536)
> > > > [17056.520479] ACPI Error: Method parse/execution failed
> > > > [\_SB_.BAT0._BST] (Node ffff88026547e740), AE_TIME
> > > > (20120711/psparse-536)
> > > > [17056.523070] ACPI Exception: AE_TIME, Evaluating _BST (20120711/battery-464)
> > > 
> > > I'm seeing this again right now.  I'm wondering if it's because I'm
> > > running on battery power at the moment:
> > > 
> > > [41694.309264] ACPI Exception: AE_TIME, Returned by Handler for [EmbeddedControl] (20120913/evregion-501)
> > > [41694.309282] ACPI Error: Method parse/execution failed [\_SB_.PCI0.LPCB.EC__.SMB0.SBRW] (Node ffff88045cc64618), AE_TIME (20120913/psparse-536)
> > > [41694.309300] ACPI Error: Method parse/execution failed [\_SB_.BAT0.UBST] (Node ffff88045cc64988), AE_TIME (20120913/psparse-536)
> > > [41694.309310] ACPI Error: Method parse/execution failed [\_SB_.BAT0._BST] (Node ffff88045cc648c0), AE_TIME (20120913/psparse-536)
> > > [41694.309324] ACPI Exception: AE_TIME, Evaluating _BST (20120913/battery-464)
> > > [41694.809093] ACPI: EC: input buffer is not empty, aborting transaction
> > > 
> > > ec_storm_threshold is still set to 8 in /sys/module/acpi/parameters/ so that's
> > > not the issue here.
> > > 
> > > > And also loadavg is too high ~ 10
> > > > While there is no process that load CPU up to 100% or like that.
> > > > I think that this because of processes that is done in kernel space.
> > > > (basically that one who write such errors)
> > > > 
> > > > $ uname -a
> > > > Linux macbook-pro-sq 3.6.5macbook-pro-custom-v0.1 #4 SMP Sun Nov 4
> > > > 12:39:03 UTC 2012 x86_64 GNU/Linux
> > > 
> > > Ah, ok, that means it's not something new in 3.7-rc, so maybe it's just never
> > > worked properly for this hardware :)
> > > 
> > > So it's not a regression, just an ACPI issue, any ACPI developer have an idea
> > > about this?
> > 
> > Can you please send the output of acpidump from the affected machine(s)?
> 
> # ./acpidump
> ACPI tables were not found. If you know location of RSD PTR table (from dmesg, etc), supply it with either --addr or -a option
> 
> What am I doing wrong here?
> 
> Is there a newer version of pmtools than the one labled pmtools-20071116
> that I should be using?  A link to download it would be appreciated.

On my system, which is a reasonably current Tumbleweed, acpidump is in the
acpica-20120518-7.1.2.x86_64 package.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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