Ah, it is a PCI card and there is only one PCI slot.. -Drew -----Original Message----- From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf Of Giles Coochey Sent: Tuesday, January 18, 2011 9:24 AM To: centos at centos.org Subject: Re: [CentOS] Intel DH67BL + CentOS 5.5 IRQ #177 nobody cared 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