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SubjectRe: Structure clobbering causes timer oopses
Andrew Morton wrote:
> Dave Hansen wrote:
>>timer magic check failed timer:__run_timers():351
>>begin: 0xc035fbc8 end:0xc035fbe8
> Can you look these up in

Inside tvec_bases, just like eip, because of timer_t->function.
c035fa80 d tvec_bases
c037fe80 d pidmap_lock
c037fea0 D page_states

>>BTW, I found lots of users who aren't using init_timer(). Should I
>>publicly humiliate them?
> If they're initially using add_timer(), that works out
> OK. It they start out using mod_timer() (or del_timer) then bug.

The init_timer() comment says otherwise, but I imagine that not using
it shouldn't _cause_ any bugs.

* init_timer() must be done to a timer prior calling *any* of the
* other timer functions.

> I assume you tried all the memory debugging options?

No luck there. I can't even get the oops to trigger with all the
debugging on.

Dave Hansen

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