Re: [Xen-devel] xenU kernel doesn't start in unstable

[Rik van Riel <riel@xxxxxxxxxx>]

On Fri, 14 Jan 2005, Keir Fraser wrote:

> I can't reproduce a crash with the vanilla unstable tree.
Interesting.  I'll try to debug things further.

> > One place where the system crashes is at dmi scan time, because
> > __ioremap() is a "return NULL" when CONFIG_XEN_PHYSDEV_ACCESS is
> > not defined, which makes dmi_iterate's memcpy follow a NULL
> > pointer.
> Which kernel is your patch against? The plain 2.6.10 dmi_scan.c only 
> uses bt_ioremap() AFAICT, and it already checks the return value for 
> NULL.
This is 2.6.11-rc1.

--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan


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