linux-kernel - Re: hpwdt oops in clflush_cache

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 27 Feb 2008 19:14:40 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Roland Dreier <rdreier@...co.com>
cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Thomas Mingarelli <thomas.mingarelli@...com>
Subject: Re: 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/