Re: [uml-devel] memory option crashes the uml bootstrap phase

[Blaisorblade <blaisorblade@yahoo.it>]

On Wednesday 22 March 2006 12:04, Stefano Melchior wrote:
> On Tue, Mar 21, 2006 at 07:54:08PM +0100, Blaisorblade wrote:
> Dear all,
>
> > 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.
>
> thus the point is if you need to disable TT mode by default, isn't it?
> Now user-mode-linux is in debian "unstable" [1] and I need to provide a
> config file as default configuration for the pkg: you suggested me to act
> this way

> #
> # UML-specific options
> #
> CONFIG_MODE_TT=n
> ^^^^^^^^^^^^^^^^
> # CONFIG_HOST_2G_2G is not set
> CONFIG_KERNEL_HALF_GIGS=1
> CONFIG_MODE_SKAS=y

> and rebuild the bin, didn't you?

Almost yes, but that's not the correct syntax - it's a common pitfall:

# CONFIG_MODE_TT is not set

> [1] http://packages.qa.debian.org/u/user-mode-linux.html

-- 
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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