From: Brian Gerst <bgerst@didntduck.org>
To: Meelis Roos <mroos@linux.ee>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.3: PnPBIOS hangs with S875WP1 BIOS
Date: Thu, 04 Mar 2004 08:51:29 -0500 [thread overview]
Message-ID: <40473461.80105@quark.didntduck.org> (raw)
In-Reply-To: <Pine.GSO.4.44.0403040920480.2398-100000@math.ut.ee>
[-- Attachment #1: Type: text/plain, Size: 304 bytes --]
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
[-- Attachment #2: pnpsegs-1 --]
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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;
next prev parent reply other threads:[~2004-03-04 13:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-04 7:23 Meelis Roos
2004-03-04 13:51 ` Brian Gerst [this message]
2004-03-04 14:09 ` Meelis Roos
2004-03-04 14:45 ` Brian Gerst
2004-03-04 14:58 ` Meelis Roos
2004-03-04 17:39 ` [PATCH] PnP BIOS exception fixes Brian Gerst
2004-03-04 18:53 ` Linus Torvalds
2004-03-04 18:54 ` Brian Gerst
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