Mailing List Archive: paravirtops kernel and HVM guests

Jeremy,
I was trying the latest bits from your paravirtops tree with
xen-unstable. Dom0 is booting fine in Fedora 10 environment. I am seeing
page fault handing error while trying to create an HVM guest.
Is anybody working on the HVM support on top of paravirtops kernel?

privcmd_fault: vma=ffff880068081210 7f7cb7cfe000-7f7cb7dfe000, pgoff=0,
uv=00007f7cb7cfe000, ptep=(null) 0000000000000000
Pid: 4253, comm: qemu-dm Not tainted 2.6.29-rc8-tip #6
Call Trace:
[<ffffffff814357bf>] privcmd_fault+0x59/0x67
[<ffffffff810d34ce>] __do_fault+0x50/0x349
[<ffffffff8102912d>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[<ffffffff810d5659>] handle_mm_fault+0x2e2/0x6e9
[<ffffffff8102b9c2>] ? check_events+0x12/0x20
[<ffffffff8102b9af>] ? xen_restore_fl_direct_end+0x0/0x1
[<ffffffff816ba9ba>] ? _spin_unlock_irqrestore+0x38/0x3d
[<ffffffff816bcee9>] do_page_fault+0x2a5/0x2bc
[<ffffffff816bad45>] page_fault+0x25/0x30

Thanks & Regards,
Nitin

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Nitin A Kamble wrote:
> Jeremy,
> I was trying the latest bits from your paravirtops tree with
> xen-unstable. Dom0 is booting fine in Fedora 10 environment. I am seeing
> page fault handing error while trying to create an HVM guest.
> Is anybody working on the HVM support on top of paravirtops kernel?
>

Yes, that's how it fails at the moment; that debug message is from the
last time I tried to track down what's going wrong, but I haven't
managed to make any progress beyond that. Getting it working is a
fairly high priority; I'll probably have another look at it next week.

J

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