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SubjectRe: 2.6.3: PnPBIOS hangs with S875WP1 BIOS
Meelis Roos wrote:
> I run a 2.6.3 kernel on Intel S875WP1 mainboard. When I enable PnPBIOS
> in kernel config, the kernel gets general protection fault 0 just after
> telling it found PnP BIOS. No backtrace. Disabling PnPBIOS in kernel
> works around the problem.
>

Try this patch

--
Brian Gerst
diff -urN linux-bk/arch/i386/mm/extable.c linux/arch/i386/mm/extable.c
--- linux-bk/arch/i386/mm/extable.c 2004-02-15 00:41:41.000000000 -0500
+++ linux/arch/i386/mm/extable.c 2004-03-04 08:42:12.169000128 -0500
@@ -12,7 +12,7 @@
const struct exception_table_entry *fixup;

#ifdef CONFIG_PNPBIOS
- if (unlikely((regs->xcs | 8) == 0x88)) /* 0x80 or 0x88 */
+ if (unlikely((regs->xcs & ~15) == (GDT_ENTRY_PNPBIOS_BASE << 3)))
{
extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp;
extern u32 pnp_bios_is_utter_crap;
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