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    SubjectRe: [patch] reproducible athlon mce fix
    Geoffrey Lee ha scritto:
    > After switching from 2.4.22 to 2.6.0-test9, I have received reproducible
    > MCE non-fatal error check messages in my kernel log. (For example, one
    > shows up right after my first scsi card init).
    [cut]
    > would seem to imply that Athlons don't like having their Bank 0 poked at,
    > though that's what non-fatal.c does. Would it be correct to make sure
    > that that non-fatal.c starts at bank 1, if it is an Athlon?
    >
    > --- linux-2.6.0-test9/arch/i386/kernel/cpu/mcheck/non-fatal.c.orig 2003-11-02 13:31:43.000000000 +0800
    > +++ linux-2.6.0-test9/arch/i386/kernel/cpu/mcheck/non-fatal.c 2003-11-02 13:34:37.000000000 +0800
    > @@ -30,7 +30,11 @@
    > int i;
    >
    > preempt_disable();
    > +#if CONFIG_MK7
    > + for (i=1; i<nr_mce_banks; i++) {
    > +#else
    > for (i=0; i<nr_mce_banks; i++) {
    > +#endif
    > rdmsr (MSR_IA32_MC0_STATUS+i*4, low, high);
    >
    > if (high & (1<<31)) {

    In this way you don't read from bank 0. The strange thing is that
    amd_mcheck_init doesn't enable reporting on this bank... it should stay
    clean. What's going on here?

    Luca
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