Jan 16 07:03:23 server kernel: irq 177: nobody cared (try booting with the "irqpoll" option) Jan 16 07:03:23 server kernel: [<c044d886>] __report_bad_irq+0x2b/0x69 Jan 16 07:03:23 server kernel: [<c044da73>] note_interrupt+0x1af/0x1e8 Jan 16 07:03:23 server kernel: [<c044d081>] handle_IRQ_event+0x45/0x8c Jan 16 07:03:23 server kernel: [<c044d163>] __do_IRQ+0x9b/0xd6 Jan 16 07:03:23 server kernel: [<c044d0c8>] __do_IRQ+0x0/0xd6 Jan 16 07:03:23 server kernel: [<c040749e>] do_IRQ+0x99/0xc3 Jan 16 07:03:23 server kernel: [<c0405946>] common_interrupt+0x1a/0x20 Jan 16 07:03:23 server kernel: [<c05302c0>] acpi_processor_idle_simple+0x0/0x254 Jan 16 07:03:23 server kernel: [<c052fc0b>] acpi_safe_halt+0x14/0x20 Jan 16 07:03:23 server kernel: [<c0530367>] acpi_processor_idle_simple+0xa7/0x254 Jan 16 07:03:23 server kernel: [<c053007b>] acpi_processor_get_power_info+0x464/0x510 Jan 16 07:03:23 server kernel: [<c0403ca8>] cpu_idle+0x9f/0xb9 Jan 16 07:03:23 server kernel: ======================= Jan 16 07:03:23 server kernel: handlers: Jan 16 07:03:23 server kernel: [<c058afd1>] (usb_hcd_irq+0x0/0x50) Jan 16 07:03:23 server kernel: [<f8964b7f>] (e1000_intr+0x0/0x10b [e1000]) Jan 16 07:03:23 server kernel: Disabling IRQ #177 ============================================================================== I spoke too soon, the problem wasn't fixed but I found the cause of the issue. The above error occurs when you unplug the video cable from the onboard video. As our machines are mainly headless terminals, this will not do at all. I am going to retest with RHEL 6. thanks, -Drew -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110119/0046aabe/attachment-0005.html>