Re: [Xen-devel] Hunting down an oops in Xen 3.1.0's 2.6.18 kernel

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 14/9/07 23:51, "Michael Marineau" <mike@xxxxxxxxxxxx> wrote:

> I have been unable to reproduce this with 3.0.4's 2.6.16 kernel but
> 2.6.18 will oops on both 3.0.4 and 3.1.0. Also, x86_64 appears to be
> ok.
> 
> I'm guessing this issue is the same as the oops reported here:
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=975
> 
> Below is an example of the oops on my 2.6.18 pae kernel with a couple
> extra debuging lines added:

Looks like xen_l1_entry_update() is passed a virtual address which has no
corresponding machine address. So the pte page or its mapping is corrupted
somehow. deadbeef in the register dumps is also not a good sign. I'll have a
go at repro'ing.

 -- Keir



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