<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><span>Hi Drew,<br><br>Why don't you use the mother board incorporated NIC? it does have one right? <br><br>Best Regards, and sorry for my english... :)<br><br><span name="x"></span>--<br>Luís Trindade<br>nfsi telecom, lda.<br><span name="x"></span><br></span><hr id="zwchr"><b>From: </b>"Drew Weaver" <drew.weaver@thenap.com><br><b>To: </b>"CentOS mailing list" <centos@centos.org><br><b>Sent: </b>Tuesday, 18 January, 2011 2:22:04 PM<br><b>Subject: </b>[CentOS] Intel DH67BL + CentOS 5.5 IRQ #177 nobody cared<br><br><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal">Hello,</p><p class="MsoNormal"> </p><p class="MsoNormal">We have built a couple of CentOS 5.5 systems on the Intel DH67BL (Sandy Bridge) motherboard and overall they work pretty well.</p><p class="MsoNormal"> </p><p class="MsoNormal">I'm having one problem which keeps cropping up and that is an error message that says:</p><p class="MsoNormal"> </p><p class="MsoNormal">IRQ 177 nobody cared (try booting with the irqpoll option)</p><p class="MsoNormal">report bad irq, references CPU idle</p><p class="MsoNormal"> </p><p class="MsoNormal">then it references usb_hcd_irq and e1000_intr</p><p class="MsoNormal">then it disables the add-on PCI E1000 card and disconnects itself from the network.</p><p class="MsoNormal"> </p><p class="MsoNormal">I'm assuming what is happening here is the USB controller and the add-on E1000 controller we put in are having an old school IRQ conflict, the question is why and how can I avoid it?</p><p class="MsoNormal"> </p><p class="MsoNormal">I have tried disabling all of the extra stuff in the BIOS that I could, and this still happens fairly frequently.</p><p class="MsoNormal"> </p><p class="MsoNormal">Any advice would be great.</p><p class="MsoNormal"> </p><p class="MsoNormal">thanks,</p><p class="MsoNormal">-Drew</p><p class="MsoNormal"> </p></div><br>_______________________________________________<br>CentOS mailing list<br>CentOS@centos.org<br>http://lists.centos.org/mailman/listinfo/centos<br></div></body></html>