linux-kernel - Re: kernel oops and panic in acpi_atomic_read under 2.6.39.3. call trace included

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Date:	Mon, 05 Sep 2011 10:50:04 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	"rick@...roway.com" <rick@...roway.com>
CC:	Don Zickus <dzickus@...hat.com>, "Rafael J. Wysocki" <rjw@...k.pl>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Richard Houghton <rhoughton@...roway.com>,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>,
	Len Brown <lenb@...nel.org>,
	Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: kernel oops and panic in acpi_atomic_read under 2.6.39.3.   call
 trace included

On 09/03/2011 07:32 AM, rick@...roway.com wrote:
> Hi Huang,
> 
> Sorry for the delay in my response.  Hurricane Irene delayed our testing a
> bit.
> 
> I had to switch the 5620 CPUS I had for 5670s.  After 4 days of running
> (it was usually about 2 before) I finally got this output in dmesg:
> 
> [337296.365930] GHES: gar accessed: 0, 0xbf7b9370
> [337296.365936] ACPI atomic read mem: addr 0xbf7b9370 mapped to
> ffffc90013ee8370
> 
> It is not mapped to 0 as expected, but it didn't crash now!

But I don't think this patch fixed the issue.  Maybe just hided the
issue.  Do you have time to try the new patch attached?

Best Regards,
Huang Ying


View attachment "dbg_ghes.patch" of type "text/x-patch" (1214 bytes)