RE: RE: RE: [Xen-devel] AGP problems with 2.0.5

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> As expected, the machine does not reboot with noreboot.
> I tried netconsole, but did not see any oops.
> (Yes, netconsole worked; I used netcat on the other side and 
> used SysRq
> to test.)

It's possible that the domain did something so heinous that Xen called
domain_crash() on it rather than reflecting a fault to the guest.

If only we had a debug build of Xen with a serial line attached to get
Xen's report...

One idea might be to disable writeable page tables so that faults get
reported synchronously, and hence more likely to avoid the need to call
domain_crash. The easiest way of doing this on the unstable tree right
now is to enable SMP in the guest config. There's more chance of getting
an oops message.

Ian


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