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SubjectRe: hpwdt oops in clflush_cache_range
On Wed, 27 Feb 2008, Roland Dreier wrote:
> With an up-to-date git tree (head 7704a8b6) I'm seeing the oops below
> when the hpwdt driver gets loaded during boot on an HP DL380 system.
> I don't think I've seen any previous reports of this, and I guess it
> doesn't really count as a regression since the hpwdt driver was only
> added after 2.6.25-rc2.
>
> I haven't tried to debug this at all yet but any guidance about what
> information is useful for what looks to be an issue with c_p_a would
> be appreciated.
>
> BUG: unable to handle kernel paging request at ffffc20001a08000
> IP: [<ffffffff8021dacc>] clflush_cache_range+0xc/0x25
> PGD 1bf80e067 PUD 1bf80f067 PMD 1bb1ab067 PTE 80000047000ee17b

-------------------------------------------------^^^^^^^^^^^^^^^^

The physical address looks strange: 0x47000EE000

Can you provide a full boot log please ?

Thanks,
tglx


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