Re: Slab corruption after unloading a module

[Randy.Dunlap]

On Thu, 13 Apr 2006 11:04:39 +1200 Zhiyi Huang wrote:

> > 2.6.8 is an old kernel, you could very well be hitting a kernel bug
> > that has been fixed already. Can you reproduce this with 2.6.16? 
> 
> I will try that soon.
> 
> > Also,
> > you're not including sources to your module so it's impossible to tell
> > whether you're doing something wrong.
> > 
> >                                                          Pekka
> 
> Below is my baby module which only uses kmalloc and kfree for my device 
> structure. I found the slab corruption address is the address of the structure. 
> It seems to be a bug for kmalloc and kfree.

I haven't looked at your source code yet, but in addition to testing with a
recent kernel version, it may help to enable lots of kernel debug options.
Could you try that too, or do you already do that?

---
~Randy
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