Hi Dariusz,

On Mon, Mar 22, 2010 at 03:54:13AM +0100, Dariusz Suchojad wrote:
> Willy Tarreau wrote:
> 
> >>What would you consider a good indicator of its reliability? Would
> >>running flawlessly for a week straight be enough of testing?
> >
> >The fact that it runs a lot longer than previous run is a natural
> >indicator of reliability. However it's not an indicator of correctness.
> 
> I sure agree that it isn't any proof of its correctness but I can only 
> say that it's been running for more than 40 hours now and I don't see 
> any problems. I'll spare you the details of how many times the backend 
> servers crashed in that time ;-)

OK so now I'm confident that it is the 31-bit mode that triggers the
problem.

> > Whatever we spot, I'll keep in mind that we can get it to crash on
> > your machine in 31-bit mode. If ever I come across a vicious bug
> > that could explain that, I'd be happy to ask you to give it a try.
> 
> And I'll be happy to give it a go if I only still have access to that 
> platform. Just in case you ever need it, you can run Debian (or, I 
> imagine, any other distribution which supports s390/s390x) under the 
> Hercules VM, here's a very nice HOWTO 
> http://www.josefsipek.net/docs/s390-linux/hercules-s390.html. I haven't 
> tried using HAProxy on it though but I guess there shouldn't be any issues.

Oh I've never heard of this VM. That's excellent. And Josef has put
up a very nice howto ! I'll probably try it someday, at least to
satisfy my curiosity :-)

Cheers,
Willy


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