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Re: [Xen-devel] Xen 2.0 / XenLinux 2.6.9 oops in handle_mm_fault

To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Xen 2.0 / XenLinux 2.6.9 oops in handle_mm_fault
From: Chris Wedgwood <cw@xxxxxxxx>
Date: Fri, 12 Nov 2004 15:06:53 -0800
Delivery-date: Sat, 13 Nov 2004 19:46:57 +0000
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On Thu, Nov 11, 2004 at 05:04:33PM -0800, Chris Wedgwood wrote:

> Unable to handle kernel paging request at virtual address 000112a5.
> *pde = ma 00000000 55555000, with ca call chain of:
>     handle_mm_fault
>     do_mm_pgoff
>     handle_IRQ_event
>     do_IRQ
>     evtch_do_upcall
>     hypervisor_callback

As suggested I tried increasing the stack-size (to 16K) for both Xen
and the dom0 kernel without any luck...

Next I tried (I should have tried this earlier probably) was to check
CONFIG_REGPARM and sure enough having that set causes the problem.
Without that things seem to be working more or less as expected...


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