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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Message-ID: <4B854CE1.9020505@gmail.com>
Date:	Wed, 24 Feb 2010 07:59:29 -0800
From:	"Justin P. mattock" <justinmattock@...il.com>
To:	Jan Beulich <JBeulich@...ell.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)

On 02/24/2010 06:37 AM, Jan Beulich wrote:
>>>> "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
>
>
>


heres the bug report on this..
http://bugzilla.kernel.org/show_bug.cgi?id=14487

Justin P. Mattock
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