Re: [ros-dev] [ros-diffs] [tkreuzer] 40963: MmGrowKernelStack: Don't assert, but fail, when the kernel stack can't grow any more. Fixes a crash with recursive user calls. See issue #4060 for more details.

[Aleksey Bragin]

On May 18, 2009, at 6:43 PM, Timo Kreuzer wrote:
> Aleksey Bragin wrote:
> > Exactly what I was telling yesterday in IRC.
>
> I can only remember that you asked, if it would really fix  
> something. ;)
> And yes it does. Just not the fully correct way.

Ah yes, my bad!
> > This assert is caused by recursive user call, not vice versa!!
>
> True. But the recursive usercall is valid. Please take a look at the
> article I linked. It should simply end at some point when no more  
> kernel
> stack is available.

Yes, I mixed those two different bugs earlier too, hence the  
confusion, sorry.
> > Revert?
>
> What about the updated code I send?

For me it looks correct, maybe Alex has comments.

WBR,
Aleksey Bragin.