am output. Here is one showing
> just the crash dump.
>
> Interestingly, the program does produce correct output,
> as verified by dd'ing from /dev/mem to a file, then
> doing "od" on the result. So in some sense, the error
> is spurious.
>
>
result. So in some sense, the error
> is spurious.
>
> Steve
>
> # ./mm2 > foo 2>&1
> BUG: Bad page map in process mm2 pte:0452 pmd:0f6c8400
> page:c0396000 flags:0404 count:1 mapcount:-1 mapping:(null) index:0
> addr:4801f000 vm_flags:400844fb anon_
o in some sense, the error
is spurious.
Steve
# ./mm2 > foo 2>&1
BUG: Bad page map in process mm2 pte:0452 pmd:0f6c8400
page:c0396000 flags:0404 count:1 mapcount:-1 mapping:(null) index:0
addr:4801f000 vm_flags:400844fb anon_vma:(null) mapping:cea78430 index:0
vm
erested in your results. Finally, any suggestions
as to how to debug this would be appreciated! I'm not sure
yet how to interpret the dump:
BUG: Bad page map in process mm2 pte:0452 pmd:0f6ba400
78 7c9e2378 7cbdpage:c0396000 flags:0404 count:1 mapcount:-1 mapping:(null)
index:0
2b78 7c