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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">I was looking at the network trace that was captured
between the MSFT iSCSI initiator and iSCSI target. That explains
everything work correctly. </span><span style="font-size:11.0pt;font-family:
Wingdings;color:#1F497D">J</span><span style="font-size:11.0pt;font-family:
"Calibri","sans-serif";color:#1F497D"><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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">LSQ726 sent me another trace (88888..). I looked at the
trace and the iSCSI code and I think I know that the problem is. <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>
<p style="text-indent:-.25in;mso-list:l0 level1 lfo1" class="MsoListParagraph"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">gPXE sent out iSCSI login command with CHAP_A=5.<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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D"><img src="cid:image003.png@01CAC56F.4614A400" id="Picture_x0020_3" height="500" width="943"></span><span style="font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D"><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>
<p style="text-indent:-.25in;mso-list:l0 level1 lfo1" class="MsoListParagraph"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">iSCSI target sent back iSCSI response with CHAP_A,CHAP_I, and
CHAP_C<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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D"><img src="cid:image004.png@01CAC570.C5462CC0" id="Picture_x0020_4" height="470" width="951"></span><span style="font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D"><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>
<p style="text-indent:-.25in;mso-list:l0 level1 lfo1" class="MsoListParagraph"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">CHAP processing code rejected the challenge because it didn$B!G(Bt
start with $B!H(B0x$B!I(B. <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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D">static int iscsi_handle_chap_c_value ( struct iscsi_session
*iscsi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D">
const char *value ) {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> char buf[3];<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> char *endp;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> uint8_t byte;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> unsigned int i;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> </span><b><i><span style="font-size:
11.0pt;font-family:"Courier New";color:red">/* Check and strip leading
"0x" */<o:p></o:p></span></i></b></p>
<p class="MsoNormal"><b><i><span style="font-size:11.0pt;font-family:"Courier New";
color:red"> if ( ( value[0] != '0' ) || ( value[1] !=
'x' ) ) {<o:p></o:p></span></i></b></p>
<p class="MsoNormal"><b><i><span style="font-size:11.0pt;font-family:"Courier New";
color:red"> DBGC (
iscsi, "iSCSI %p saw invalid CHAP challenge \"%s\"\n",<o:p></o:p></span></i></b></p>
<p class="MsoNormal"><b><i><span style="font-size:11.0pt;font-family:"Courier New";
color:red">
iscsi, value );<o:p></o:p></span></i></b></p>
<p class="MsoNormal"><b><i><span style="font-size:11.0pt;font-family:"Courier New";
color:red"> return
-EPROTO;<o:p></o:p></span></i></b></p>
<p class="MsoNormal"><b><i><span style="font-size:11.0pt;font-family:"Courier New";
color:red"> }<o:p></o:p></span></i></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> value += 2;<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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">I don$B!G(Bt think there is such a requirement. If it starts
with $B!H(B0x$B!I(B, then it should skip two bytes. I can double-check
the specs tomorrow. For now, can you recompile the code
with the following changes:<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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D">/* Check and strip leading "0x" */<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> if ( ( value[0] == '0' ) && ( (value[1]
== 'x') || (value[1] == $B!F(BX$B!G(B)) ) {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> value += 2;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";
color:#1F497D"> }<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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">Regards,<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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">Kevin<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>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Kevin Tran <br>
<b>Sent:</b> Tuesday, March 16, 2010 11:32 PM<br>
<b>To:</b> 'lsq726'<br>
<b>Cc:</b> gpxe@etherboot.org<br>
<b>Subject:</b> RE: Re:Re: [gPXE] Fwd: Re:Re: why?username and password is
right , but can't boot?<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D">You need to check your configuration. Based on the network
trace, the response to $B!H(BRead Capacity10$B!I(B was 1GB.<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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D"><img src="cid:image001.png@01CAC56E.8B37BA00" id="Picture_x0020_2" height="542" width="1184"><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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> lsq726
[mailto:lsq726@163.com] <br>
<b>Sent:</b> Tuesday, March 16, 2010 11:25 PM<br>
<b>To:</b> Kevin Tran<br>
<b>Subject:</b> Re:Re: [gPXE] Fwd: Re:Re: why?username and password is right ,
but can't boot?<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">HI,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">The partition is 10GB<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">PLEASE GPXE.RAR<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><br>
<o:p></o:p></p>
</div>
<p style="margin-bottom:12.0pt" class="MsoNormal"><br>
<span lang="ZH-CN">$B:_(B</span>2010-03-17 14:09:01<span lang="ZH-CN">$B!$(B</span>"Kevin Tran" <ktran@broadcom.com>
<span lang="ZH-CN">$B<LF;!'(B</span><o:p></o:p></p>
<div>
<p class="MsoPlainText">Hi,<o:p></o:p></p>
<p class="MsoPlainText">I looked at the network trace briefly and I didn't see
anything obviously wrong.<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">1. gPXE did login to the iSCSI target successfully with
CHAP authentication (one-way).<o:p></o:p></p>
<p class="MsoPlainText">2. The partition is only 1Gbyte and the partition is NTFS
based on the MBR and Disk Inquiry response.<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText"><img src="cid:image002.png@01CAC56E.8B37BA00" id="Picture_x0020_1" height="538" width="635"><o:p></o:p></p>
<p class="MsoPlainText">3. There were a lot of READ/WRITE IO<span lang="JA">$B!G(B</span>s
from the initiator after login.<o:p></o:p></p>
<p class="MsoPlainText">4. The last operations were iSCSI logout and then TCP
connection was closed.<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">In normal Win2k3/Win2K8 or Linux iSCSI boot, gPXE passes
iSCSI parameters + CHAP information to the OS initiator via iBFT. OS
initiator then does iSCSI login again with the iSCSI target. I didn<span lang="JA">$B!G(B</span>t see such operations. In addition, Windows partition is
normally 5GB to 15GB which depends on the favor of the OS and user<span lang="JA">$B!G(B</span>s setup.<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">What are you trying to boot?<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Regards!<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Kevin<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: <a href="mailto:gpxe-bounces@etherboot.org">gpxe-bounces@etherboot.org</a>
[mailto:<a href="mailto:gpxe-bounces@etherboot.org">gpxe-bounces@etherboot.org</a>]
On Behalf Of Marty Connor<br>
Sent: Tuesday, March 16, 2010 9:58 PM<br>
To: <a href="mailto:gpxe@etherboot.org">gpxe@etherboot.org</a><br>
Subject: [gPXE] Fwd: Re:Re: why?username and password is right , but can't
boot?<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Forwarding. Perhaps this will be helpful in
debugging this issue.<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">-------- Original Message --------<o:p></o:p></p>
<p class="MsoPlainText">Subject: Re:Re: [gPXE] why?username and password is right
,but can't boot?<o:p></o:p></p>
<p class="MsoPlainText">Date: Wed, 17 Mar 2010 09:43:12 +0800 (CST)<o:p></o:p></p>
<p class="MsoPlainText">From: lsq726 <<a href="mailto:lsq726@163.com">lsq726@163.com</a>><o:p></o:p></p>
<p class="MsoPlainText">To: Marty Connor <<a href="mailto:mdc@etherboot.org">mdc@etherboot.org</a>><o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">SERVER ISCSI STARWIND 'S TWO LOG FILE<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">2010-03-17 09:17:06"Marty Connor" <<a href="mailto:mdc@etherboot.org">mdc@etherboot.org</a>> <o:p></o:p></p>
<p class="MsoPlainText">>lsq726 wrote on 3/16/10 8:30 PM:<o:p></o:p></p>
<p class="MsoPlainText">>> why?username and password is right ,but can't
boot?<o:p></o:p></p>
<p class="MsoPlainText">>> please see photo<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">>I also notice that you are getting a _lot_ of RXE
(Receive Errors)<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">>It looks a lot like you may have some sort of network
configuration error.<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">>And could you turn on CONSOLE_SERIAL and paste text
instead of sending <o:p></o:p></p>
<p class="MsoPlainText">>pictures?<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">>If your setup boots when if there is no password,
then it could easily <o:p></o:p></p>
<p class="MsoPlainText">>be some arcane Windows security policy issue.<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">>Getting Windows to log in detail what it doesn't like
and why it is <o:p></o:p></p>
<p class="MsoPlainText">>rejecting the connection will probably help a
lot. Perhaps the server <o:p></o:p></p>
<p class="MsoPlainText">>is even already logging and you just need to look
into it.<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">>A quick web search suggests that there is lot of
information out there <o:p></o:p></p>
<p class="MsoPlainText">>dealing with Windows iSCSI CHAP authentication on the
server side.<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">>/ Marty /<o:p></o:p></p>
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