Re: Memory allocations in .suspend became very unreliable

[Romit Dasgupta <romit@ti.com>]

Maxim Levitsky wrote:
> Hi,
> 
> I know that this is very controversial, because here I want to describe
> a problem in a proprietary driver that happens now in 2.6.33-rc3
> I am taking about nvidia driver.
> 
> Some time ago I did very long hibernate test and found no errors after
> more that 200 cycles.
> 
> Now I update to 2.6.33 and notice that system will hand when nvidia
> driver allocates memory is their .suspend functions.
> This could fail in 2.6.32 if I would run many memory hungry
> applications, but now this happens with most of memory free.
> 
> I added some printks to function used to allocate memory in nvidia
> driver and found out that contrary to my belief, they don't allocate
> much memory there.
Hello Maxim,
               Do you hit the error early if you reduce your memory (by passing
'mem=  ' bootargs)? The hibernation routine allocates memory for creating its
own bitmaps, so I was wondering if it is really a memory issue or bug in the
nvidia driver.

Thanks,
-Romit