On 2005年1月14日, 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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