Re: Fw: 2.6.17 oops, possibly ntfs/mmap related

[Dave Jones <davej@redhat.com>]

On Thu, Sep 21, 2006 at 08:04:49PM +0100, Hugh Dickins wrote:

 >   BUG: unable to handle kernel paging request at virtual address 0010c744
 >    printing eip:
 >   c013be50
 >   *pde = 00000000
 >   Oops: 0002 [#1]
 >   Modules linked in: ntfs 8139too via_agp agpgart usb_storage ehci_hcd uhci_hcd usbcore
 >   CPU:    0
 >   EIP:    0060:[<c013be50>]    Tainted: G   M  VLI
 >   EFLAGS: 00010282   (2.6.17 #2) 
 >   EIP is at anon_vma_unlink+0x16/0x3c
 >   eax: 0010c740   ebx: cf1070cc   ecx: cf107104   edx: cf8bc740
 >   esi: cf8bc740   edi: b7e82000   ebp: 00000000   esp: cdad7f58
 > 
 > I haven't worked out the disassembly in detail to support the idea
 > (though certainly anon_vma_unlink would be trying to list_del around
 > here), but that eax and esi do suggest a corrupted list: somehow the
 > top half of a pointer overwritten by the top half of LIST_POISON1.
 > 
 > And in Anton's case, the top half of a pointer overwritten by the
 > bottom half of LIST_POISON2.
 > 
 > Maybe just coincidence, and I've nothing more illuminating to add;
 > but just a hint of a list_del going very wrong somewhere?

Given a machine check happened, the state of the machine in general
is questionable.  I'd recommend a run of memtest86+ 

	Dave
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