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    SubjectRe: 2.6.21-rc1: framebuffer/console boot failure
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    On Sun, 2007-03-04 at 14:52 +0000, Andrew Nelless wrote:
    > On Mon, February 26, 2007 11:09 pm, Antonino A. Daplas wrote:
    > >
    > > Not sure if the timer override workaround for nvidia chipsets is the
    > > culprit, but if you want, you can choose to revert that to the previous behavior (which is
    > > ignoring ACPI timer override). Open arch/x86_64/kernel/earlyquirk.c:nvidia_bugs() and change
    > > this line:
    > >
    > > if (acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check)) return; into this:
    > >
    > > acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check); /* return; */
    > >
    > >
    > > Tony
    > >
    >
    > This fixes the problem. After a lot of rebooting
    > and testing the problem is definitely gone when this
    > check is patched out and the ACPI timer override is
    > ignored. It looks like there should be a cleaner
    > patch than just obliterating the condition and return
    > though.
    >
    > Perhaps the code should remain as is and
    > "acpi_use_timer_override" could be complimented
    > by exposing the "acpi_skip_timer_override" option to
    > the kernel command line?

    acpi_skip_timer_override is still documented in
    Documentation/kernel-parameters.txt.

    Tony


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