Re: [Bug 8473] New: Oops: 0010 [1] SMP

[Nicolas Mailhot]

Le dimanche 13 mai 2007 Ã 15:47 -0700, Andrew Morton a Ãcrit :
> On Sun, 13 May 2007 14:02:50 -0700 bugme-daemon@xxxxxxxxxxxxxxxxxxx wrote:
> 
> > http://bugzilla.kernel.org/show_bug.cgi?id=8473
> 
> Please follow up via emailed reply-to-all.
> 
> In fact, please report -mm bugs via email.  bugzilla is more suited to
> longer-term problems, and -mm bugs are super-short-term, we hope.

Can't attach trace screenshots or long log dumps to mails :(

> May 13 22:59:43 rousalka kernel: Unable to handle kernel NULL pointer
> dereference at 0000000000000000 RIP: 
> May 13 22:59:43 rousalka kernel: [<0000000000000000>]

> Anything you can do to make that wordwrapping go away for ever would be
> great, thanks.

You have the full kernel log with no wrapping there
http://bugzilla.kernel.org/attachment.cgi?id=11492

> I don't know what would have caused this.  do_ioctl() did a jump-to-zero,
> but it has code in there to explicitly test for null pointers.
> 
> Perhaps some weird race, although I find it hard to imagine how we could
> have such a race in any ioctl which bash is likely to be calling.
> 
> Is it repeatable at all?

It happened once so far. The load was moderate (and certainly not
comparable to what I did for Mel yesterday)

-- 
Nicolas Mailhot

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