[uml-devel] Re: [uml-user] RE: 2.6.12-bb2-skas0 hanging after INIT (CORRECTION PREVIOUS POST)

[Blaisorblade <blaisorblade@yahoo.it>]

On Tuesday 12 July 2005 20:15, Gaspar, Alessio (USF Lakeland) wrote:
> > On Tuesday 12 July 2005 18:45, Gaspar, Alessio (USF Lakeland) wrote:
> > > err... please read 2.6.12-bb2-skas0 in my previous post instead of
> > > 2.6.12-bs1-skas0. I did try too many patches lately :)
> >
> > Granted, but what about using plain -bs1? SKAS0 is still development
>
> code
>
> > (and
> > I'm not very acquainted with it), so I would avoid it in case of
>
> problems.
>
> > After that, UML has not a lovely relation with 2.6.10 and 2.6.9, so if
>
> you
>
> > can
> > go to either 2.6.8.1 or 2.6.11 it would be mairveillous...
>
> Sorry can't do (trust me I'd prefer too :)
> I just browsed again openSSI.org and we need their 1.9.x version which,
> of course, is based on 2.6.10.
>
> Concerning 2.6.12-bs1, I already tried it before but, since I couldn't
> recall what went wrong, I re-compiled the guest uml kernel using this
> time various options (support for SKAS and/or TT) and re-tested the
> whole thing
>
> Each version was compiled by doing a
> make ARCH=um mrproper
> make ARCH=um defconfig
> make ARCH=um menuconfig (to edit changes between trials)
> make ARCH=um linux
>
> Summary of results
>
> SKAS + TT			./linux-tt-skas
> hangs
> 				./linux-tt-skas mode=tt		hangs
> TT only			./linux-tt 				hangs
>
>
> In all cases, boot hangs on sleeping process gets unexpected signal 10
Ok, now let's wait a moment. Can you run, on the same machine, a vanilla 
kernel (even 2.6.10) and verify on that if TT mode works?

Nobody has ever seen this kind of crash, so I want to see if it's userspace 
related (some strange GCC/glibc/headers problem) or if it's the kernel 
triggering it (either a bug in SSI, or a bug of UML which is only triggered 
in that environment). I say "some machine" because distro differences could 
be part of the picture.

Btw, is the host being part of a cluster at the testing moment or not?

Also, on the community page there's a link about these setups (CILinux seems 
related with OpenSSI, if not the same thing):

http://usermodelinux.org/modules.php?name=News&file=article&sid=185

Btw, is OpenSSI purpose anyhow different from OpenMosix one or not? Just as a 
curiosity about OpenSSI (I'd like to understand a bit more what it does, I'm 
seeing the "features" page).
-- 
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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