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On 09/07/2011 11:56 PM, She, Kerry wrote:
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hello,
Marshall<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
<a class="moz-txt-link-abbreviated" href="mailto:coreboot-bounces@coreboot.org">coreboot-bounces@coreboot.org</a>
[<a class="moz-txt-link-freetext" href="mailto:coreboot-bounces@coreboot.org">mailto:coreboot-bounces@coreboot.org</a>] <b>On Behalf
Of </b>Marshall Buschman<br>
<b>Sent:</b> Thursday, September 08, 2011 10:02 AM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:coreboot@coreboot.org">coreboot@coreboot.org</a><br>
<b>Subject:</b> Re: [coreboot] E350M1 does not POST<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">On 09/07/2011 11:38 AM, Marshall Buschman
wrote: <o:p></o:p></p>
<p class="MsoNormal">I have access to an E350M1. I will test
these patches tonight and report back with results.<br>
<br>
Thank you!<br>
-Marshall Buschman<br>
<br>
On 09/07/2011 02:53 AM, She, Kerry wrote: <o:p></o:p></p>
<pre><o:p> </o:p></pre>
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<pre>-----Original Message-----<o:p></o:p></pre>
<pre>From: <a moz-do-not-send="true" href="mailto:coreboot-bounces@coreboot.org">coreboot-bounces@coreboot.org</a> [<a moz-do-not-send="true" href="mailto:coreboot">mailto:coreboot</a>-<o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="mailto:bounces@coreboot.org">bounces@coreboot.org</a>] On Behalf Of <a moz-do-not-send="true" href="mailto:perh52@runbox.com">perh52@runbox.com</a><o:p></o:p></pre>
<pre>Sent: Friday, August 19, 2011 12:37 AM<o:p></o:p></pre>
<pre>To: coreboot<o:p></o:p></pre>
<pre>Subject: [coreboot] E350M1 does not POST<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
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<pre>Hi,<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
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<pre>Upon booting, I get this:<o:p></o:p></pre>
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<pre>[...]<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>you could try commit 0df0e14fb, that may or may not work, the<o:p></o:p></pre>
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<pre>commit<o:p></o:p></pre>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<pre>after<o:p></o:p></pre>
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<pre>that broke fusion boards completely, apparently.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Florian<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
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<pre>Thank you! I can confirm that 0df0e14fb works properly.<o:p></o:p></pre>
<pre>-Marshall<o:p></o:p></pre>
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<pre>Frank,<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>It looks like we have a regression. Is there some dependency on the<o:p></o:p></pre>
<pre>other patches that have not yet been committed?<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Marc<o:p></o:p></pre>
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<pre>Unfortunately git bisect is no help here because the commit which<o:p></o:p></pre>
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<pre>caused<o:p></o:p></pre>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<pre>the regression was a huge one.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>It's important that large patches are broken down into a set of small<o:p></o:p></pre>
<pre>comprehensible patches, each with an explanatory commit message.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre><<quote from git-bisect-lk2009.html documentation>><o:p></o:p></pre>
<pre>...<o:p></o:p></pre>
<pre>sometimes "interesting" changes of behavior in the software are<o:p></o:p></pre>
<pre>introduced in some commits.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>In fact people are specially interested in commits that introduce a<o:p></o:p></pre>
<pre>"bad" behavior, called a bug or a regression. They are interested in<o:p></o:p></pre>
<pre>these commits because a commit (hopefully) contains a very small set<o:p></o:p></pre>
<pre>of source code changes. And it's much easier to understand and<o:p></o:p></pre>
<pre>properly fix a problem when you only need to check a very small set of<o:p></o:p></pre>
<pre>changes, than when you don't know where look in the first place.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>So to help people find commits that introduce a "bad" behavior, the<o:p></o:p></pre>
<pre>"git bisect" set of commands was invented.<o:p></o:p></pre>
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<pre>Hello, All<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Since commit 84cbce2 cause E350M1 not POST,<o:p></o:p></pre>
<pre>Following patches should resolve this regression problem, please see the<o:p></o:p></pre>
<pre>attachment in detail.<o:p></o:p></pre>
<pre>I have test it on a Persimmon mainboard, <o:p></o:p></pre>
<pre>anybody can have a test on E350M1?<o:p></o:p></pre>
<pre>Thanks<o:p></o:p></pre>
<pre>--<o:p></o:p></pre>
<pre>Kerry sheh<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Hello Kerry:<br>
<br>
I have tested your patch set, and it does make the E350M1
boot.<br>
The bad news is there is now a delay of approximately 5
minutes and 20 seconds before any serial output is
displayed.<br>
<br>
The coreboot log is available at <a moz-do-not-send="true"
href="http://www.lucidmachines.com/coreboot/kerrypatches20110907.txt">http://www.lucidmachines.com/coreboot/kerrypatches20110907.txt</a><br>
<br>
Please let me know if I can assist further.<span
style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks
a lot,<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I
have a test based on commit 8679e52 with both F14 C0 and
B0 processor on different persimmon mainboard,<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">But
unfortunately I can’t reproduce the problem you have met.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Family14
Revision C0 processor(BSP Family_Model:00500f20)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Family14
Revision B0 processor(BSP Family_Model: 00500f10) is same
as the one you use.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">There
is not much difference between E350M1 and persimmon code,<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">so
I’m not sure whether the root cause is commit 84cbce2 or
other commit, such as sb800 update etc. <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Can
you have a test base on </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:red">commit
</span><span style="color:red">84cbce2 </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">?</span><span
style="color:red"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Many
Thanks <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Kerry
Sheh<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
<br>
Thank you!<br>
-Marshall Buschman<o:p></o:p></p>
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Hello Kerry:<br>
I'll test with your patches and 84cbce2 and report back.<br>
<br>
Thank you!<br>
-Marshall<br>
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