Re: [Xen-devel] panic in e100_exec_cb()

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> With today's build, my domain 0 crashes during boot when it tries to
> bring eth0 up (it's an E100).
> 
> cb->prev (eax) is NULL in e100_exec_cb() (e100.c:827).  Just from code
> inspection, I don't see how this can be.  e100_alloc_cbs() was just
> called, which looks like it should have correctly linked up all the
> cb->prev/cb->next pointers.
> 
> It happens regardless of CONFIG_XEN_WRITABLE_PAGETABLES.
> 
> Has anyone else seen this?

When was your last successful build? Most likely the changeset in
which I introduced page scrubbing is causing you problems. It looks
like you are failing on the very first use of a 'cb', so tracing
should lead you to the cause of the problem quite easily.

 -- Keir


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