Rik van Riel wrote:
>
> If you apply this patch your kernel will spit out
> a one-line error message on every offence (and a
> 2-liner on a recursive offence). Each error message
> will be of the form:
>
>
> When you encounter these error messages, please send them
> to linux-kernel, _with_ the names of the functions (because
> they differ on every compilation) and, if possible, a short
> explanation of what do did to provoke these errors.
>
So, here is my little contribution to the bug hunting:
System A:
kmem_cache_alloc called by non-running (1) task from c017265c!
kmem_cache_alloc called by non-running (2) task from c017265c!
kmem_cache_alloc called by non-running (1) task from c01724d8!
kmem_cache_alloc called by non-running (2) task from c01724d8
resolves to:
c0172644 T skb_clone
c0172480 T alloc_skb
System B:
kmem_cache_alloc called by non-running (1) task from c0170214!
kmem_cache_alloc called by non-running (1) task from c0170090!
kmem_cache_alloc called by non-running (4) task from c010fa2c!
resolves to:
c0170290 T skb_copy
c0170038 T alloc_skb
c010f86c T send_sig_info
The last one (send_sig_info) showed up a lot during shutdown, the other
ones during normal (idle) operation.
I hope this helps a bit,
Juri
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