From: "H. Peter Anvin" <hpa@zytor.com>
To: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Tony Vroon <tony@linx.net>, LKML <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Tejun Heo <tj@kernel.org>,
yinghai@kernel.org
Subject: Re: MTRR setup failure on Fujitsu Lifebook S761
Date: Fri, 26 Aug 2011 15:24:26 -0700 [thread overview]
Message-ID: <4E581D1A.90404@zytor.com> (raw)
In-Reply-To: <1314394157.4729.23.camel@sbsiddha-desk.sc.intel.com>
On 08/26/2011 02:29 PM, Suresh Siddha wrote:
> On Fri, 2011-08-26 at 12:01 -0700, Tony Vroon wrote:
>> On Fri, 2011-08-26 at 09:37 -0700, H. Peter Anvin wrote:
>>> Hm, I don't see any evidence of the MTRR sanitizer running at all...
>>
>> It is almost as if it failed to find an optimal configuration; does that
>> error path not print anything?
>
> MTRR cleanup bails out in mtrr_need_cleanup() if it finds any entry
> other than WB or UC. And the first entry you had was write-protect.
WP for the BIOS is becoming reasonably common; we need to handle that.
-hpa
next prev parent reply other threads:[~2011-08-26 22:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-26 12:37 MTRR setup failure on Fujitsu Lifebook S761 Tony Vroon
2011-08-26 16:37 ` H. Peter Anvin
2011-08-26 19:01 ` Tony Vroon
2011-08-26 21:29 ` Suresh Siddha
2011-08-26 21:39 ` Tony Vroon
2011-08-26 23:40 ` Suresh Siddha
2011-08-27 20:19 ` Tony Vroon
2011-08-26 22:24 ` H. Peter Anvin [this message]
2011-08-26 23:51 ` Suresh Siddha
2011-09-02 9:57 ` Tony Vroon
-- strict thread matches above, loose matches on Subject: below --
2011-07-22 8:12 Tony Vroon
2011-07-25 10:39 ` Tony Vroon
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