On 18/01/2011 15:22, Drew Weaver wrote: > > Hello, > > We have built a couple of CentOS 5.5 systems on the Intel DH67BL > (Sandy Bridge) motherboard and overall they work pretty well. > > I'm having one problem which keeps cropping up and that is an error > message that says: > > IRQ 177 nobody cared (try booting with the irqpoll option) > > report bad irq, references CPU idle > > then it references usb_hcd_irq and e1000_intr > > then it disables the add-on PCI E1000 card and disconnects itself from > the network. > > 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? > > I have tried disabling all of the extra stuff in the BIOS that I > could, and this still happens fairly frequently. > > Any advice would be great. > > Have you tried putting one of the cards in a different slot? -- Best Regards, Giles Coochey NetSecSpec Ltd NL T-Systems Mobile: +31 681 265 086 NL Mobile: +31 626 508 131 Email/MSN/Live Messenger: giles at coochey.net Skype: gilescoochey -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 5137 bytes Desc: S/MIME Cryptographic Signature URL: <http://lists.centos.org/pipermail/centos/attachments/20110118/6cc923ff/attachment-0005.p7s>