linux-kernel - Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

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Date:	Wed, 24 Feb 2010 14:37:54 +0000
From:	"Jan Beulich" <JBeulich@...ell.com>
To:	"Justin P. Mattock" <justinmattock@...il.com>
Cc:	"Dan Carpenter" <error27@...il.com>,
	<linux1394-devel@...ts.sourceforge.net>,
	"Stefan Richter" <stefanr@...6.in-berlin.de>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"Kernel Testers List" <kernel-testers@...r.kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug
	 #14487] PANIC: early exception 08 rip 246:10 error
	 ffffffff810251b5 cr2 0)

>>> "Justin P. Mattock" <justinmattock@...il.com> 03.02.10 02:43 >>>
Could you try this simple patch (against plain 2.6.33-rc8)?

Thanks, Jan

--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -82,6 +82,9 @@ enum fixed_addresses {
 #endif
 	FIX_DBGP_BASE,
 	FIX_EARLYCON_MEM_BASE,
+#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
+	FIX_OHCI1394_BASE,
+#endif
 #ifdef CONFIG_X86_LOCAL_APIC
 	FIX_APIC_BASE,	/* local (CPU) APIC) -- required for SMP or not */
 #endif
@@ -126,9 +129,6 @@ enum fixed_addresses {
 	FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 -
 			(__end_of_permanent_fixed_addresses & 255),
 	FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1,
-#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
-	FIX_OHCI1394_BASE,
-#endif
 #ifdef CONFIG_X86_32
 	FIX_WP_TEST,
 #endif


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