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    SubjectRe: lost cpufreq (Re: Linux v2.6.18-rc1)
    On Fri, Jul 07, 2006 at 07:52:39PM +0200, Tomasz Torcz wrote:
    > On Wed, Jul 05, 2006 at 09:26:35PM -0700, Linus Torvalds wrote:
    > >
    > > Ok,
    > > the merge window for 2.6.18 is closed, and -rc1 is out there
    >
    > ... and cpufreq-nforce2.ko fails to work. Module can't be loaded:
    > FATAL: Error inserting cpufreq_nforce2
    > (/lib/modules/2.6.18-rc1/kernel/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.ko):
    > Device or resource busy
    >
    > Here's relevant difference between dmesg of 2.6.17 and 2.6.18-rc1:
    >
    > @@ -244,7 +240,6 @@
    > lp: driver loaded but no devices found
    > cpufreq: Detected nForce2 chipset revision C1
    > cpufreq: FSB changing is maybe unstable and can lead to crashes and data loss.
    > -cpufreq: FSB currently at 165 MHz, FID 10.5
    > usbcore: registered new driver usbfs
    > usbcore: registered new driver hub

    Does it work again if you apply this patch with -R ?

    Dave


    diff --git a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
    index f275e0d..0d49d73 100644
    --- a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
    +++ b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
    @@ -90,7 +90,7 @@ static int nforce2_calc_pll(unsigned int

    /* Try to calculate multiplier and divider up to 4 times */
    while (((mul == 0) || (div == 0)) && (tried <= 3)) {
    - for (xdiv = 1; xdiv <= 0x80; xdiv++)
    + for (xdiv = 2; xdiv <= 0x80; xdiv++)
    for (xmul = 1; xmul <= 0xfe; xmul++)
    if (nforce2_calc_fsb(NFORCE2_PLL(xmul, xdiv)) ==
    fsb + tried) {

    --
    http://www.codemonkey.org.uk
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