Re: Top 10 kernel oopses for the week ending January 5th, 2008

[Andi Kleen]

On Sat, Jan 05, 2008 at 07:31:29PM -0800, Arjan van de Ven wrote:
> Andi Kleen wrote:
> >Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> writes:
> >>Rank 4: remove_proc_entry
> >>	Was also ranked 4th last week
> >>	Only in tainted oopses
> >>	Reported 3 times (12 total reports)
> >>	More info: 
> >>	http://www.kerneloops.org/search.php?search=remove_proc_entry
> >
> >Likely a broken module_exit() function that corrupts the list. To track
> >these down it might be useful to keep a list of recently unloaded modules
> >and dump these too in the oops module list with a special flag.
> >
> I suspect that simply printing the currently unloading module will catch 
> 90%+ already;

There are a few cases where the corruption is only visible next time
someone accesses the list. So a small ring buffer might make sense.

-Andi

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