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Well, network booting in a PV doesn't work the same way. There's no BIOS, no PXE client, and no pxelinux in a PV, so you don't have to deal with those issues. Also, the current binary release of Darwin does not support PV, and neither does Symantec Ghost, so I can't really test those things. I'm assuming it's something about the HVM implementation in XEN that doesn't work quite right, but I wasn't sure if anyone had any hints as to how to overcome it or whether it's a known issue, being worked on, etc.
-Nick
>>> On 2008/01/26 at 10:09, "Todd Deshane" <deshantm@xxxxxxxxx> wrote:
so they could be Xen problems maybe. Does a PV guest not have the same issue?
On Jan 26, 2008 11:08 AM, Nick Couchman < Nick.Couchman@xxxxxxxxx> wrote:
But these issues occur after all the network activity is done. The PXELinux menu loads correctly, but then CPU usage spikes and the HVM becomes unresponsive. Similarly, with Ghost, the Ghost boot disk loads into RAM and Ghost begins to boot, but CPU usage goes up and the HVM becomes unresponsive. The Darwin issues are not network boot issues - Darwin is booting from an ISO image and locks as soon as the bootloader loads.
You should try to do a network trace, wireshark or tcpdump to see if you can get any more clues. Can you provide any more details of your setup? it's been awhile since I played with pxelinux so i can't think of exactly might be going wrong. Hopefully the network trace will clue you in if it is Xen related or not. Regards, Todd
On Jan 25, 2008 11:42 PM, Nick Couchman < Nick.Couchman@xxxxxxxxx> wrote:
I've run into a couple of issues attempting to boot pxelinux over the network and Darwin, as well. On the pxelinux boot, the pxelinux menu comes up but then the CPU usage goes to 100% and sticks there. The same thing happens with things like Symantec Ghost. Darwin seems to do the same, as well - I connect the ISO image to the VM and the VM tries to boot, but the CPU immediately spikes and the boot loader never starts. Can anyone provide any hints for me?
Thanks,
Nick
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