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SubjectRe: Slab corruption after unloading a module
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.

> /* The parameter for testing */
> int major=0;
> MODULE_PARM(major, "i");
> MODULE_PARM_DESC(major, "device major number");

I had no problem loading and unloading your module on
2.6.17-rc1 [after changing MODULE_PARM() to
module_param(major, int, 0644);

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