linux-kernel - Re: acpi_ex_system_memory_space

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Message-ID: <20090818074537.GA29066@localdomain.by>
Date:	Tue, 18 Aug 2009 10:45:37 +0300
From:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:	Lin Ming <ming.m.lin@...el.com>
Cc:	"Brown, Len" <len.brown@...el.com>,
	"Moore, Robert" <robert.moore@...el.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: acpi_ex_system_memory_space_handler oops

On (08/18/09 15:18), Lin Ming wrote:
> On Tue, 2009-08-18 at 15:13 +0800, Sergey Senozhatsky wrote:
> > On (08/17/09 21:22), Lin Ming wrote:
> > > > rc6-git2
> > > > 25 successful reboots.
> > > >
> > > > I'll need some more time to test against rc5.
> > > >
> > > > /*should I also test DSDT in case region-debug.patch fixed the problem?*/
> > > 
> > > Yes, please also help to test the custome DSDT.
> > > region-debug.patch is just a debug patch.
> > > We need to root cause the problem clearly and then work out a clean solution.
> > > 
> > 
> > Hi, Lin
> > Looks like DSDT didn't solve the problem (oops on 4th reboot).
> > 
> > So:
> > region-debug.patch	+
> > DSDT			-
> > 
> > /* Is that possible? */
> 
> Yes, that is possible. 
> The same aml method is re-entered when interpreter lock is released.
> So you still see AE_ALREADY_EXISTS error with the custom DSDT, right?
> Thanks for the info, I'll continue to look at this issue.
Wait a minute, Lin. I can't see ...[DSDT] replaced... in syslog.
I'll recompile.

> And would you please test the region-debug.patch multiple times to
> verify if it really fixes the bug?
> 
Sure.

	Sergey
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