<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=ProgId content=Word.Document>
<meta name=Generator content="Microsoft Word 11">
<meta name=Originator content="Microsoft Word 11">
<link rel=File-List href="cid:filelist.xml@01C6DE6A.C5F141A0">
<!--[if gte mso 9]><xml>
<o:OfficeDocumentSettings>
<o:DoNotRelyOnCSS/>
</o:OfficeDocumentSettings>
</xml><![endif]--><!--[if gte mso 9]><xml>
<w:WordDocument>
<w:SpellingState>Clean</w:SpellingState>
<w:GrammarState>Clean</w:GrammarState>
<w:DocumentKind>DocumentEmail</w:DocumentKind>
<w:EnvelopeVis/>
<w:ValidateAgainstSchemas/>
<w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid>
<w:IgnoreMixedContent>false</w:IgnoreMixedContent>
<w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText>
<w:Compatibility>
<w:BreakWrappedTables/>
<w:SnapToGridInCell/>
<w:WrapTextWithPunct/>
<w:UseAsianBreakRules/>
<w:UseWord2002TableStyleRules/>
</w:Compatibility>
<w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel>
</w:WordDocument>
</xml><![endif]--><!--[if gte mso 9]><xml>
<w:LatentStyles DefLockedState="false" LatentStyleCount="156">
</w:LatentStyles>
</xml><![endif]-->
<style>
<!--
/* Font Definitions */
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;
mso-font-alt:"?l?r ?????????????????????????";
mso-font-charset:0;
mso-generic-font-family:swiss;
mso-font-pitch:variable;
mso-font-signature:1627421319 -2147483648 8 0 66047 0;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{mso-style-parent:"";
margin:0in;
margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:12.0pt;
font-family:"Times New Roman";
mso-fareast-font-family:"Times New Roman";}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;
text-underline:single;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;
text-underline:single;}
span.EmailStyle17
{mso-style-type:personal;
mso-style-noshow:yes;
mso-ansi-font-size:10.0pt;
mso-bidi-font-size:10.0pt;
font-family:Arial;
mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;
color:windowtext;}
span.EmailStyle18
{mso-style-type:personal-reply;
mso-style-noshow:yes;
mso-ansi-font-size:10.0pt;
mso-bidi-font-size:10.0pt;
font-family:Arial;
mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;
mso-bidi-font-family:Arial;
color:navy;}
span.bugeventheader1
{mso-style-name:bugeventheader1;
mso-ansi-font-size:9.0pt;
mso-bidi-font-size:9.0pt;
font-family:Tahoma;
mso-ascii-font-family:Tahoma;
mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;
font-weight:bold;}
span.bugeventdate1
{mso-style-name:bugeventdate1;
mso-ansi-font-size:8.5pt;
mso-bidi-font-size:8.5pt;
font-family:Tahoma;
mso-ascii-font-family:Tahoma;
mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;
color:#555555;
mso-text-animation:none;
text-decoration:none;
text-underline:none;
text-decoration:none;
text-line-through:none;}
span.SpellE
{mso-style-name:"";
mso-spl-e:yes;}
span.GramE
{mso-style-name:"";
mso-gram-e:yes;}
@page Section1
{size:8.5in 11.0in;
margin:1.0in 1.25in 1.0in 1.25in;
mso-header-margin:.5in;
mso-footer-margin:.5in;
mso-paper-source:0;}
div.Section1
{page:Section1;}
-->
</style>
<!--[if gte mso 10]>
<style>
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:"Table Normal";
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-parent:"";
mso-padding-alt:0in 5.4pt 0in 5.4pt;
mso-para-margin:0in;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.0pt;
font-family:"Times New Roman";
mso-ansi-language:#0400;
mso-fareast-language:#0400;
mso-bidi-language:#0400;}
</style>
<![endif]-->
</head>
<body lang=EN-US link=blue vlink=purple style='tab-interval:.5in'>
<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi all,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>As of the changes from Wednesday Sep 20,
2006, I see a panic in kernel proper with the <span class=SpellE>drbd</span>
driver loaded and <span class=SpellE><span class=GramE>io</span></span>
attempted. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I am investigating but I am hoping that
some lights might go on and a quick fix provided. <span
style='mso-spacerun:yes'> </span>Thanks.<span
style='mso-spacerun:yes'> </span>Below is the stack trace.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt;line-height:11.25pt'><font
size=1 color=black face=Tahoma><span style='font-size:9.0pt;font-family:Tahoma;
color:black'>Two node cluster:<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt;line-height:11.25pt'><font
size=1 color=black face=Tahoma><span style='font-size:9.0pt;font-family:Tahoma;
color:black'> ============================<span class=GramE>On</span> the
first node<o:p></o:p></span></font></p>
<p class=MsoNormal style='line-height:11.25pt'><font size=1 color=black
face=Tahoma><span style='font-size:9.0pt;font-family:Tahoma;color:black'><br>
Sep 22 12:26:12 jerry kernel: Unable to handle kernel NULL pointer
dereference at virtual<br>
<span class=GramE>address</span><br>
00000000<br>
Sep 22 12:26:12 jerry kernel: printing <span class=SpellE>eip</span>:<br>
Sep 22 12:26:12 jerry kernel: 00000000<br>
Sep 22 12:26:12 jerry kernel: *<span class=SpellE>pde</span> = ma
00000000 pa fffff000<br>
Sep 22 12:26:12 jerry kernel: Oops: 0000 [#1]<br>
Sep 22 12:26:12 jerry kernel: Modules linked in: <span class=SpellE>drbd</span>
<span class=SpellE>ipmi_devintf</span> <span class=SpellE>ipmi_si</span> <span
class=SpellE>ipmi_msghandler</span> video<br>
<span class=GramE>thermal</span> processor fan button battery ac e1000<br>
Sep 22 12:26:12 jerry kernel: CPU: 0<br>
Sep 22 12:26:12 jerry kernel: EIP: <span class=GramE>0061:</span>[<00000000>]
Not tainted VLI<br>
Sep 22 12:26:12 jerry kernel: EFLAGS: 00010206<span class=GramE> (</span>2.6.16.13-xen0
#1)<br>
Sep 22 12:26:12 jerry kernel: EIP is at _stext+0x3fefe000/0x40<br>
Sep 22 12:26:12 jerry kernel: <span class=SpellE>eax</span>: eda412c0<span
class=GramE> <span class=SpellE>ebx</span></span>: 00000000 <span
class=SpellE>ecx</span>: 00001000 <span class=SpellE>edx</span>: ead80734<br>
Sep 22 12:26:12 jerry kernel: <span class=SpellE>esi</span>: 00006000<span
class=GramE> <span class=SpellE>edi</span></span>: ef859800 <span
class=SpellE>ebp</span>: e6195c80 <span class=SpellE>esp</span>: e6195c60<br>
Sep 22 12:26:12 jerry kernel: <span class=SpellE>ds</span>: 007b<span
class=GramE> <span class=SpellE>es</span></span>: 007b <span
class=SpellE>ss</span>: 0069<br>
Sep 22 12:26:12 jerry kernel: Process <span class=SpellE>xvd</span> 1
93:00 (<span class=SpellE><span class=GramE>pid</span></span>: 31717, <span
class=SpellE>threadinfo</span>=e6194000<br>
<span class=GramE>task=</span>eaa20030)<br>
Sep 22 12:26:12 jerry kernel: Stack: <0>f12c522f ead80734 e56aba40
e6fd4f90 c0780bc0 e56aba40<br>
00001000 e6fd4f90<br>
Sep 22 12:26:12 jerry kernel: e6195cc0
c015ed68 ead80734 e56aba40 e6fd4f90 c012da5c<br>
efd0fe6c 00000000<br>
Sep 22 12:26:12 jerry kernel: e56aba40
00000000 e6195ccc c015e762 c093a760 00000000<br>
00000000 e56aba40<br>
Sep 22 12:26:12 jerry kernel: Call Trace:<br>
Sep 22 12:26:12 jerry kernel: [<c010515a>]
show_stack_log_lvl+0xaa/0xe0<br>
Sep 22 12:26:12 jerry kernel: [<c010536e>]
show_registers+0x18e/0x210<br>
Sep 22 12:26:12 jerry kernel: [<c0105569>] die+0xd9/0x180<br>
Sep 22 12:26:12 jerry kernel: [<c0112ccc>]
do_page_fault+0x3cc/0x68e<br>
Sep 22 12:26:12 jerry kernel: [<c0104d7f>]
error_code+0x2b/0x30<br>
Sep 22 12:26:12 jerry kernel: [<c015ed68>]
__bio_add_page+0x268/0x2d0<br>
Sep 22 12:26:12 jerry kernel: [<c015ee4e>]
bio_add_page+0x3e/0x40<br>
Sep 22 12:26:12 jerry kernel: [<c02de086>]
dispatch_rw_block_io+0x3a6/0x4c0<br>
Sep 22 12:26:12 jerry kernel: [<c02ddcbe>]
do_block_io_op+0xce/0xf0<br>
Sep 22 12:26:12 jerry kernel: [<c02dd8c3>]
blkif_schedule+0x73/0x290<br>
Sep 22 12:26:12 jerry kernel: [<c012d517>] kthread+0xa7/0xf0<br>
Sep 22 12:26:12 jerry kernel: [<c0102d9d>]
kernel_thread_helper+0x5/0x18<br>
Sep 22 12:26:12 jerry kernel: Code: Bad EIP value.<br>
Sep 22 12:26:12 jerry kernel: <0>Fatal exception: panic in 5
seconds <br>
<br>
<br>
==================================<span class=GramE>On</span> the next node<br>
Sep 22 12:33:02 jerry kernel: Unable to handle kernel NULL pointer
dereference at virtual<br>
<span class=GramE>address</span><br>
00000000<br>
Sep 22 12:33:02 jerry kernel: printing <span class=SpellE>eip</span>:<br>
Sep 22 12:33:02 jerry kernel: 00000000<br>
Sep 22 12:33:02 jerry kernel: *<span class=SpellE>pde</span> = ma
00000000 pa fffff000<br>
Sep 22 12:33:02 jerry kernel: Oops: 0000 [#1]<br>
Sep 22 12:33:02 jerry kernel: Modules linked in: <span class=SpellE>drbd</span>
<span class=SpellE>ipmi_devintf</span> <span class=SpellE>ipmi_si</span> <span
class=SpellE>ipmi_msghandler</span> video<br>
<span class=GramE>thermal</span> processor fan button battery ac e1000<br>
Sep 22 12:33:02 jerry kernel: CPU: 0<br>
Sep 22 12:33:02 jerry kernel: EIP: <span class=GramE>0061:</span>[<00000000>]
Not tainted VLI<br>
Sep 22 12:33:02 jerry kernel: EFLAGS: 00010206<span class=GramE> (</span>2.6.16.13-xen0
#1)<br>
Sep 22 12:33:02 jerry kernel: EIP is at _stext+0x3fefe000/0x40<br>
Sep 22 12:33:02 jerry kernel: <span class=SpellE>eax</span>: ed45e200<span
class=GramE> <span class=SpellE>ebx</span></span>: 00000000 <span
class=SpellE>ecx</span>: 00001000 <span class=SpellE>edx</span>: ec8a6ab8<br>
Sep 22 12:33:02 jerry kernel: <span class=SpellE>esi</span>: 00008000<span
class=GramE> <span class=SpellE>edi</span></span>: efe8e800 <span
class=SpellE>ebp</span>: ee369b28 <span class=SpellE>esp</span>: ee369b08<br>
Sep 22 12:33:02 jerry kernel: <span class=SpellE>ds</span>: 007b<span
class=GramE> <span class=SpellE>es</span></span>: 007b <span
class=SpellE>ss</span>: 0069<br>
Sep 22 12:33:02 jerry kernel: Process java (<span class=SpellE><span
class=GramE>pid</span></span>: 6091, <span class=SpellE>threadinfo</span>=ee368000
task=ea9045b0)<br>
Sep 22 12:33:02 jerry kernel: Stack: <0>f12c522f ec8a6ab8 e98d1b00
c0763fb0 00011000 e98d1b00<br>
00001000 c0763fb0<br>
Sep 22 12:33:03 jerry kernel: ee369b68
c015ed68 ec8a6ab8 e98d1b00 c0763fb0 c015e762<br>
c093a760 000000d0<br>
Sep 22 12:33:03 jerry kernel: 0000000c
00000000 00000001 000000d0 00000001 00001000<br>
00000001 <span class=SpellE>00000001</span><br>
Sep 22 12:33:03 jerry kernel: Call Trace:<br>
Sep 22 12:33:03 jerry kernel: [<c010515a>]
show_stack_log_lvl+0xaa/0xe0<br>
Sep 22 12:33:03 jerry kernel: [<c010536e>]
show_registers+0x18e/0x210<br>
Sep 22 12:33:03 jerry kernel: [<c0105569>] die+0xd9/0x180<br>
Sep 22 12:33:03 jerry kernel: [<c0112ccc>]
do_page_fault+0x3cc/0x68e<br>
Sep 22 12:33:03 jerry kernel: [<c0104d7f>]
error_code+0x2b/0x30<br>
Sep 22 12:33:03 jerry kernel: [<c015ed68>]
__bio_add_page+0x268/0x2d0<br>
Sep 22 12:33:03 jerry kernel: [<c015ee4e>] bio_add_page+0x3e/0x40<br>
Sep 22 12:33:03 jerry kernel: [<c017d622>]
do_mpage_readpage+0x182/0x320<br>
Sep 22 12:33:03 jerry kernel: [<c017d86c>]
mpage_readpages+0xac/0x140<br>
Sep 22 12:33:03 jerry kernel: [<c01c21b8>]
ext3_readpages+0x28/0x30<br>
Sep 22 12:33:03 jerry kernel: [<c013fced>]
read_pages+0xfd/0x110<br>
Sep 22 12:33:03 jerry kernel: [<c013fe48>]
__do_page_cache_readahead+0x148/0x190<br>
Sep 22 12:33:03 jerry kernel: [<c013ffdf>]
blockable_page_cache_readahead+0x4f/0xd0<br>
Sep 22 12:33:03 jerry kernel: [<c014021d>] page_cache_readahead+0xfd/0x1a0<br>
Sep 22 12:33:03 jerry kernel: [<c0138de2>]
do_generic_mapping_read+0x442/0x620<br>
Sep 22 12:33:03 jerry kernel: [<c013924c>]
__generic_file_aio_read+0x19c/0x220<br>
Sep 22 12:33:03 jerry kernel: [<c0139323>]
generic_file_aio_read+0x53/0x70<br>
Sep 22 12:33:03 jerry kernel: [<c015951a>]
do_sync_read+0xba/0x110<br>
Sep 22 12:33:03 jerry kernel: [<c0159611>]
vfs_read+0xa1/0x190<br>
Sep 22 12:33:03 jerry kernel: [<c01599eb>] sys_read+0x4b/0x80<br>
Sep 22 12:33:03 jerry kernel: [<c0104c09>] syscall_call+0x7/0xb<br>
Sep 22 12:33:03 jerry kernel: Code: Bad EIP value.<br>
Sep 22 12:33:03 jerry kernel: <0><span class=GramE>Fatal</span>
exception: panic in 5 seconds<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>EM--<o:p></o:p></span></font></p>
</div>
</body>
</html>