On Tuesday 21 March 2006 15:50, Stefano Melchior wrote:
> On Tue, Mar 21, 2006 at 03:26:25PM +0100, Stefano Melchior wrote:
> Dear all,
> [...]
> I also noticed that, from manual page, if you use:
> mem=memory
> This controls how much "physical" memory the kernel
> allocates for the system. The size is specified as a number
> followed by one of ’k’, ’K’, ’m’, ’M’, which have the
> obvious meanings. This is not related to the amount of memory
> in the physical machine. It can be more, and the
> excess, if it’s ever used, will just be swapped out.
>
> - mem=256m it works
> - while mem=256M it crashes!
No, that crash is likely a race condition and the code treats mem=256{m,M} the
same way.
Verified in arch/um/kernel/physmem.c:uml_mem_setup and lib/cmdline.c:memparse.
However, test increasing /proc/sys/vm/max_map_count and disabling
CONFIG_MODE_TT as suggested by Jeff, I've already seen this to fix this
problem.
--
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade
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