Re: acpi_ex_system_memory_space_handler oops

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To: Lin Ming <ming.m.lin@xxxxxxxxx>
Subject: Re: acpi_ex_system_memory_space_handler oops
From: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Date: Fri, 14 Aug 2009 12:38:18 +0300
Cc: Len Brown <lenb@xxxxxxxxxx>, "Brown, Len" <len.brown@xxxxxxxxx>, "Moore, Robert" <robert.moore@xxxxxxxxx>, "linux-acpi@xxxxxxxxxxxxxxx" <linux-acpi@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <1250217283.2987.16.camel@xxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)

I suspect we are dereferencing NULL pointer:
mov    0x8(%ebx)

which is mem_info->mapped_physical_address.

	Sergey

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References:
- acpi_ex_system_memory_space_handler oops
  - From: Sergey Senozhatsky
- Re: acpi_ex_system_memory_space_handler oops
  - From: Len Brown
- Re: acpi_ex_system_memory_space_handler oops
  - From: Sergey Senozhatsky
- Re: acpi_ex_system_memory_space_handler oops
  - From: Lin Ming

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