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    SubjectRe: [PATCH] amd76x_pm on 2.6.0-test9 cleanup
    On Tuesday 04 November 2003 02:15 pm, Tony Lindgren wrote:
    > I've heard of timing problems if it's compiled in, but supposedly they
    > don't happen when loaded as module.

    In some of the earlier testX versions of the kernel, I did not see any
    difference between compiling as a module, and compiling into the kernel. (It
    is currently a module on my system.)

    I did, however, manage to keep ntpd happy by reducing HZ to 100. Even raising
    HZ to 200 is enough to throw off its PLL. The machine is idle for 90% of the
    day, though, so I don't know if the PLL is adapting to the fact that the
    system is idling, but the values for tick look reasonable.

    > Then the 2.4 version does not load if i2c-amd756 is loaded, but this may
    > have been already fixed by this patch, I have not verified it yet though.

    Pasi's patch against test9 seems to work fine in this regard. I am running
    with i2c_amd756 and amd_k7_agp now, and neither one has trouble loading
    anymore (after a cold boot, anyway).

    > I have problem where my S2460 goes into sleep for a while if compiled in,
    > but this does not happen when loaded as module.

    After a warm reboot on my S2460 motherboard, it seems as though the module
    occasionally needs to receive an interrupt from somewhere ACPI-related. Most
    of the time, this means that I have to press either the soft power button or
    the sleep button to get the system to continue booting (!).

    I am using the default #defines (i.e. no C3, POS or NTH enabled).

    Info on the northbridge:

    $ lspci -vn -s 0:0
    00:00.0 Class 0600: 1022:700c (rev 11)

    and the southbridge:

    $ lspci -vn -s 7:3
    00:07.3 Class 0680: 1022:7413 (rev 01)

    I looked through the chipset documentation again (specifically checking the
    errata for these revisions), and nothing jumped out at me. I won't be able to
    look at this in depth for another month or two, though.

    Charles Lepple!clepple

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