linux-kernel - RE: [PATCH 1/5] RT kernel: force detect HPET from PCI space

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:	Sat, 31 Mar 2007 00:38:08 +0200
From:	Nicolas Mailhot <nicolas.mailhot@...oste.net>
To:	Mikko Tiihonen <mikko.tiihonen@....fi>
Cc:	linux-kernel@...r.kernel.org
Subject: RE: [PATCH 1/5] RT kernel: force detect HPET from PCI space

Le samedi 31 mars 2007 à 01:09 +0300, Mikko Tiihonen a écrit :
> > Anyone got the same thing for CK804? I had my hopes high, and then I saw
> > the DECLARE_PCI_FIXUP_HEADER values [and the thread title was misleading]
> 
> I have an A8N-E motherboard with AthlonX2 and the ACPI definitions are 
> missing the HPET (standard feature of Asus motherboards).
> 
> I too got interested to get my motherboard working. Luckily I found this 
> http://lkml.org/lkml/2006/12/17/69 

Oh, is looks so close to my system

00:01.0 ISA bridge: nVidia Corporation CK804 ISA Bridge (rev a3)
        Subsystem: Giga-byte Technology GA-K8N Ultra-9 Mainboard
        Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 0
00: de 10 50 00 0f 00 a0 00 a3 00 01 06 00 00 80 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 58 14 11 0c
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
40: 58 14 11 0c 00 f0 ff fe fa 3e ff 00 fa 3e ff 00
                ^^^^^^^^^^^
                Usual HPET base address
50: fa 3e ff 00 00 5a 62 02 00 00 00 01 00 00 ff ff
60: 01 10 00 00 01 14 00 00 01 18 00 00 00 00 f9 ff
70: 10 00 ff ff c1 00 00 00 00 00 04 19 18 d2 80 0d
                ^^
                c1 => HPET disabled (according to your reference)

I don't have an HPET toggle in my bios

> from which I generated the following patch:

I'd love to test it, but what kernel baseline did you use?
2.6.21-rc5-mm2?

-- 
Nicolas Mailhot

Download attachment "signature.asc" of type "application/pgp-signature" (198 bytes)