Re: [PATCH][2.4] remove amd7(saucy)_tco

From: Martin Josefsson (gandalf_at_wlug.westbo.se)
Date: 05/02/04

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    To: Willy Tarreau <willy@w.ods.org>
Date:	Sun, 02 May 2004 12:02:04 +0200

    On Sun, 2004-05-02 at 10:48, Willy Tarreau wrote:
    > On Sat, May 01, 2004 at 03:37:36PM -0400, Zwane Mwaikambo wrote:
    > > Hello Marcelo,
    > > This driver has already been removed in 2.6, essentially we've had
    > > problems getting it working (it's been a while now) with a lot of boards,
    > > all seems to be alright until the actual point where the hardware is
    > > supposed to reset the system. So lets just back it out.
    >
    > Indeed, I've just checked here, because I believed I had seen it working,
    > but now I think it was the softdog. It does nothing at all. I've downloaded
    > and read AMD's data*** and the driver seems to do the right thing. BTW,
    > I wonder if the chip is buggy or not, because I tried to play with the
    > SYSRST and FULLRST bits in the 0xCF9 register. Changing SYSRST to 1 does not
    > change anything, and changing FULLRST to 1 immediately reboots the machine
    > even if no reset was pending !

    Exactly the same thing we (zwane and I) saw when trying to fix it. We
    gave up after some time. We tested it on the 760mpx chipset on an Asus
    A7M-266D motherboard (don't remember which north/south bridge
    combination that is)

    We've also seen even weirder things on the same chipset but from another
    motherboard-manufacturer. There absolutely nothing happened after the
    timer reached 0. No bits set anywhere. On my board we at least got that.

    I use pci-based watchdog cards instead... 

    -- 
/Martin

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