Re: port-xen/47057: Xen NetBSD DomU file system trash under Linux Dom0

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sat, Oct 20, 2012 at 05:31:11PM +0200, Roger Pau Monné wrote:
> > You can also try to type 'continue' and enter ddb again to see
> > if things changes (especially where in xenbus_thread it is
> > interrupted).
> 
> Nope, the system is completely frozen, tried several times and the trace
> is exactly the same.

You mean, it's always at xenbus_thread+0xf5 ? You never see other offsets ?

> Will compile a new kernel with -g and let's see
> what I can get, but I bet xenbus_thread is blocked at:
> 
> 831: printk("XENBUS error %d while reading message\n", err);
> 
> In fact I'm going to replace that with a panic.

Maybe just a printf instead of a printk at first.
If the offset never changes, I wonder if it could be stuck in
        (void)HYPERVISOR_console_io(CONSOLEIO_write, ret, buf);

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
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