Can't boot 7.2-RELEASE i386 or AMD64 on an Abit KV8 Pro motherboard with Sempron 3100+ CPU

Kent Stewart kstewart at
Sat Jun 20 21:10:54 UTC 2009

On Saturday 20 June 2009 11:00:45 am ericr wrote:
> Hi,
> As the subject says, I can't get the 7.2-RELEASE i386 CD to boot on a
> system that has:
> Abit KV8 Pro (K8T800P-8237-6A7L1A1BC-26) motherboard with the most recent
> BIOS - BIOS release 26 4/20/2007
> (
> An AMD Sempron 3100+ 1.8Ghz CPU
> 1 Gb RAM
> An ATI 1050 256mb AGP video card
> I think I have turned off everything ACPI related in the BIOS setup.
> When I boot the i386 ISO, the kernel boots to the point of probing the PCI
> bus and then hangs completely, even the keyboard is locked up.
> I've unplugged all the disks, so the only things in the system are the CD
> drive, the floppy drive, and the video card.
> I have turned off acpi at boot time, and when I boot the i386 ISO
> verbosely, the last few lines the kernel spews are:
> pci_open(1): mode 1 addr port (0x0cf8) is 0x8000c060
> pci_open(1a): mode1res=0x80000000 (0x80000000)
> pci_cfgcheck: device 0 [class=060000] [hdr=80] is there (id=02821106)
> pcibios: BIOS version 2.10
> pcib0: <MPTable Host-PCI bridge> pcibus 0 on motherboard
> pci0: <PCI Bus> on pcib0
> pci0: domain=0, physical bus=0
> There's no PCI cards plugged in, just the AGP video card.
> When I try booting the AMD64 ISO, the boot loader runs, I get the boot
> menu, and regardless of what boot options I give the kernel, I get the
> message "CPU doesn't support long mode" and then I get the OK prompt.
> I'm pretty sure it doesn't have a h/w problem, it'll boot and install
> Fedora 11, Win2K, WinXP, and runs every DOS based diagnostic app I can find
> with no problems.
> Anyone have any suggestions, or should I file a PR?

Did you follow the suggestion on the release announcement of using the other 
CDs and switching before you start the install.

> Thanks!
> - ericr
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Kent Stewart
Richland, WA

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