Fabio,

Let me know if you want a newer, pre-compiled guest kernel (I have one
for 2.6.20.6). While this will not help with the TLS issue, it does
offer a LOT of bug fixes. In the mean time, you can find compilation
instructions on the main website at:

http://user-mode-linux.sourceforge.net/compile.html

Also, you can compile a guest kernel on a different machine than the one
you're planning to deploy on. While a host kernel can be tricky with
remote systems, guest kernels are just another process on the box (the
beauty of UML!). This makes the process of building and replacing guest
kernels both easier and much safer.

Good luck!

Tony


> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] 
> On Behalf Of Fabio A. Mazzarino
> Sent: Wednesday, April 18, 2007 1:02 PM
> To: user-mode-linux-user@lists.sourceforge.net
> Subject: Re: [uml-user] MySQL Problems
> 
> 
>  Antonine:
> 
>  I've downloaded a pre-compiled uml because I need it working 
> for yesterday.
> 
>  I plan to recompile uml later. Unffortunately the host is 
> allocated in 
> a datacenter, so kernel compiling is a little bit tricky and I try to 
> avoid it.
> 
>  Later, when I plan to have more free time, I'll do it and then I'll 
> make you know.
> 
>  Thanks again.
> 
>  Fabio.
> 
> Antoine Martin escreveu:
> > Fabio,
> >
> > I had a similar problem but this is now resolved.
> > Have you tried updating the host and guest to recent kernels?
> >
> > Antoine
> >
> >
> > Fabio A. Mazzarino wrote:
> >   
> >>  I need to build a LAMP server using UML. Apache and PHP5 
> work fine, but 
> >> MySQL don't.
> >>
> >>  I've just found a similar problem here:
> >>  . 
> >> 
> http://readlist.com/lists/lists.sourceforge.net/user-mode-linu
> x-user/0/364.html
> >>
> >>  But it seems to apply only to x86_64, not my case.
> >>
> >>  Here are some information:
> >>
> >> host # uname -a
> >> Linux loghost1 2.4.27-2-386 #1 Wed Aug 17 09:33:35 UTC 
> 2005 i686 GNU/Linux
> >>
> >> host # linux --version
> >> 2.6.18
> >>
> >> guest # uname -a
> >> Linux neo 2.6.18 #2 Wed Oct 4 19:34:37 CEST 2006 i686 GNU/Linux
> >>
> >>
> >> guest # tail /var/log/syslog | grep mysqld
> >> Apr 17 15:37:06 localhost mysqld[1516]: mysqld got signal 11;
> >> Apr 17 15:37:06 localhost mysqld[1516]: This could be 
> because you hit a 
> >> bug. It is also possible that this binary
> >> Apr 17 15:37:06 localhost mysqld[1516]: or one of the 
> libraries it was 
> >> linked against is corrupt, improperly built,
> >> Apr 17 15:37:06 localhost mysqld[1516]: or misconfigured. 
> This error can 
> >> also be caused by malfunctioning hardware.
> >> Apr 17 15:37:06 localhost mysqld[1516]: We will try our 
> best to scrape 
> >> up some info that will hopefully help diagnose
> >> Apr 17 15:37:06 localhost mysqld[1516]: the problem, but 
> since we have 
> >> already crashed, something is definitely wrong
> >> Apr 17 15:37:06 localhost mysqld[1516]: and this may fail.
> >> Apr 17 15:37:06 localhost mysqld[1516]:
> >> Apr 17 15:37:06 localhost mysqld[1516]: key_buffer_size=0
> >> Apr 17 15:37:06 localhost mysqld[1516]: read_buffer_size=131072
> >> Apr 17 15:37:06 localhost mysqld[1516]: max_used_connections=0
> >> Apr 17 15:37:06 localhost mysqld[1516]: max_connections=100
> >> Apr 17 15:37:06 localhost mysqld[1516]: threads_connected=0
> >> Apr 17 15:37:06 localhost mysqld[1516]: It is possible 
> that mysqld could 
> >> use up to
> >> Apr 17 15:37:06 localhost mysqld[1516]: key_buffer_size + 
> >> (read_buffer_size + sort_buffer_size)*max_connections = 217599 K
> >> Apr 17 15:37:06 localhost mysqld[1516]: bytes of memory
> >> Apr 17 15:37:06 localhost mysqld[1516]: Hope that's ok; if 
> not, decrease 
> >> some variables in the equation.
> >> Apr 17 15:37:06 localhost mysqld[1516]:
> >> Apr 17 15:37:06 localhost mysqld[1516]: thd=(nil)
> >> Apr 17 15:37:06 localhost mysqld[1516]: Attempting 
> backtrace. You can 
> >> use the following information to find out
> >> Apr 17 15:37:06 localhost mysqld[1516]: where mysqld died. 
> If you see no 
> >> messages after this, something went
> >> Apr 17 15:37:06 localhost mysqld[1516]: terribly wrong...
> >> Apr 17 15:37:06 localhost mysqld[1516]: Cannot determine thread, 
> >> fp=0x425fe158, backtrace may not be correct.
> >> Apr 17 15:37:06 localhost mysqld[1516]: Stack range sanity 
> check OK, 
> >> backtrace follows:
> >> Apr 17 15:37:06 localhost mysqld[1516]: 0x81c0659
> >> Apr 17 15:37:06 localhost mysqld[1516]: (nil)
> >> Apr 17 15:37:06 localhost mysqld[1516]: 0x4027b9ee
> >> Apr 17 15:37:06 localhost mysqld[1516]: New value of 
> fp=(nil) failed 
> >> sanity check, terminating stack trace!
> >> Apr 17 15:37:06 localhost mysqld[1516]: Please read 
> >> http://dev.mysql.com/doc/mysql/en/using-stack-trace.html 
> and follow 
> >> instructions on how to resolve the stack trace. Resolved
> >> Apr 17 15:37:06 localhost mysqld[1516]: stack trace is 
> much more helpful 
> >> in diagnosing the problem, so please do
> >> Apr 17 15:37:06 localhost mysqld[1516]: resolve it
> >> Apr 17 15:37:06 localhost mysqld[1516]: The manual page at 
> >> http://www.mysql.com/doc/en/Crashing.html contains
> >> Apr 17 15:37:06 localhost mysqld[1516]: information that 
> should help you 
> >> find out what is causing the crash.
> >>
> >>  What can be done?
> >>
> >>     
> >
> >
> >   
> 
> 
> -- 
> Fabio A Mazzarino
> [EMAIL PROTECTED]
> Diretor de Tecnologia
> LogHost - Seu Caminho na Internet
> http://www.loghost.com.br
> 
> 
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