Re: [BUG] Can not boot linux-2.6.18-rc4-mm2

[Jeremy Fitzhardinge <jeremy@goop.org>]

Paul Drynoff wrote:
> On 8/23/06, Jeremy Fitzhardinge <jeremy@goop.org> wrote:
> > Hm.  Try this:
> > --- a/arch/i386/kernel/paravirt.c
> > +++ b/arch/i386/kernel/paravirt.c
> I have no such file.
>
> > --- a/include/asm-i386/desc.h
> > +++ b/include/asm-i386/desc.h
> > @@ -97,7 +97,7 @@ static inline void set_ldt(const void *a
> >         __u32 low, high;
> >
> >         pack_descriptor(&low, &high, (unsigned long)addr,
> > -                       entries * sizeof(struct desc_struct) - 1,
> > +                       entries * sizeof(struct desc_struct),
> >                         DESCTYPE_LDT, 0);
> >         write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_LDT, low, 
> > high);
>
> There is no such code in this file.

Ah, yes, that was against a different patch queue.

> I adopt your code for linux-2.6.18-rc4-mm2, and looks like it fix bug.
>
> Index: linux-2.6.18-rc4-mm2/include/asm-i386/desc.h
> ===================================================================
> --- linux-2.6.18-rc4-mm2.orig/include/asm-i386/desc.h
> +++ linux-2.6.18-rc4-mm2/include/asm-i386/desc.h
> @@ -114,7 +114,7 @@ static inline void set_ldt_desc(unsigned
> {
>        __u32 a, b;
>        pack_descriptor(&a, &b, (unsigned long)addr,
> -                       entries * sizeof(struct desc_struct) - 1,
> +                       entries * sizeof(struct desc_struct),
>                        DESCTYPE_LDT, 0);
>        write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_LDT, a, b);
> }

Great!

   J
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