Re: An mm bug in today's 2.6.32 git tree

[AmÃrico Wang]

On Wed, Dec 9, 2009 at 10:49 PM, Hugh Dickins
<hugh.dickins@xxxxxxxxxxxxx> wrote:
> On Wed, 9 Dec 2009, AmÃrico Wang wrote:
>
>> Hi, mm experts,
>>
>> I met the following bug in the kernel from today's git tree, accidentally.
>> I don't know how to reproduce it, just saw it twice when doing different
>> work. Machine is x86_64.
>>
>> Is this bug known?
>
> Thanks for the report. ÂNot known to me.
> It looks like something has corrupted the start of a pagetable.
> No idea what that something might be, but probably not bad RAM.
>
>>
>> Please feel free to let me know if you need more info.
>
> You say you saw it twice: please post what the other occasion
> showed (unless the first six lines were identical to this and it
> occurred around the same time i.e. separate report of the same).
>

Yes, the rest are almost the same, the only difference is the 'addr'
shows different addresses.

The one I reported happened when I exited vim, after editing a file.
The other one happened when I did a network upload, either over
NFS or ftp or something like that.

Thanks.
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