linux-kernel - Re: BUG: scheduling while atomic in acpi_ps_complete

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Date:	Wed, 26 Aug 2009 22:13:04 +0800
From:	ykzhao <yakui.zhao@...el.com>
To:	Eric Paris <eparis@...hat.com>
Cc:	Alexey Starikovskiy <astarikovskiy@...e.de>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Brown, Len" <len.brown@...el.com>,
	"vegard.nossum@...il.com" <vegard.nossum@...il.com>
Subject: Re: BUG: scheduling while atomic in acpi_ps_complete_op

On Wed, 2009-08-26 at 19:58 +0800, Eric Paris wrote:
> On Wed, 2009-08-26 at 09:00 +0800, ykzhao wrote:
> > On Mon, 2009-08-24 at 22:36 +0800, Eric Paris wrote:
> > > On Sat, 2009-08-22 at 01:24 +0400, Alexey Starikovskiy wrote:
> > > > Eric Paris пишет:
> 
> > > It does stop my slew of warnings.  Not sure it completely fixes my
> > > problems though....
> > Will you please add the boot option of initcall_debug and attach the
> > output of dmesg?
> > It will be helpful if you can attach the output of acpidump.
> > Thanks.
Hi
	Will you please confirm whether this issue happens on the 2.6.31-rc6
kernel?
	If there is no such issue, will you please revert the following commit
and see whether the issue still exists?
   >commit 74b5820808215f65b70b05a099d6d3c969b82689
Author: Bjorn Helgaas <bjorn.helgaas@...com>
Date:   Wed Jul 29 15:54:25 2009 -0600

    ACPI: bind workqueues to CPU 0 to avoid SMI corruption

      In this commit it will schedule to other kernel thread and switch
to task 0 again.

Thanks.
    Yakui.    
> 
> Here is booting a kernel without the change.  I don't see acpidump
> packaged in fedora.  Do you have a pointer to the source or maybe a
> static binary?  I'll look myself later in the afternoon.
> 
> -Eric

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