Re: compile glibc + nptl fail

which precise kernel version are you using?

	Ingo

On Thu, 17 Jul 2003, chen liwen wrote:

> Now I can test program with new glibc.
> I use pingpong.c from sun and patch for linux to test
> nptl. I met one error.  
>  pp is compiled with nptl
>  qq is compiled with redhat 8 glibc2 and linuxpthread
> results as following:
>  (1)./pp -v -i 10000 -n 120
> 
> PING-PONG CONFIGURATION:
> 
>                       target (-i) = 10000
>                       ntables (-n) = 120
>                       sleepms (-z) = 0
>                       pthread_scope (-s) = 134517959
>                       pthread_process (-p) = 134517944
>                       concurrency (-c) = 0
>                       stacksize (-S) = 0
> 
> 240 threads initialised in 0s  31ms
> 120 games completed in 8s  586ms
>  (2) ./qq -v -i 10000 -n 120
> 
> PING-PONG CONFIGURATION:
> 
>                       target (-i) = 10000
>                       ntables (-n) = 120
>                       sleepms (-z) = 0
>                       pthread_scope (-s) = 134517895
>                       pthread_process (-p) = 134517880
>                       concurrency (-c) = 0
>                       stacksize (-S) = 0
> 
> 240 threads initialised in 0s  59ms
> 120 games completed in 12s  420ms
>  (3) ./pp -v -i 10000 -n 150
> 
> PING-PONG CONFIGURATION:
> 
>                       target (-i) = 10000
>                       ntables (-n) = 150
>                       sleepms (-z) = 0
>                       pthread_scope (-s) = 134517959
>                       pthread_process (-p) = 134517944
>                       concurrency (-c) = 0
>                       stacksize (-S) = 0
> 
> pthread_create error, errno = 12!
>  (4) ./qq -v -i 10000 -n 150
> 
> PING-PONG CONFIGURATION:
> 
>                       target (-i) = 10000
>                       ntables (-n) = 150
>                       sleepms (-z) = 0
>                       pthread_scope (-s) = 134517895
>                       pthread_process (-p) = 134517880
>                       concurrency (-c) = 0
>                       stacksize (-S) = 0
> 
> 300 threads initialised in 0s  87ms
> 150 games completed in 15s  883ms
>    Obviously, the max threads ping-pong with nptl can
> create is limited to < 150
>     ping-pong with linuxpthread has no such problem.
>   
>     chen
> 
> --- Dan Kegel <[email protected]> wrote:
> > chen liwen wrote:
> > > Yes, I have corrected the problem, and install
> > glibc
> > > under directory /usr/local/glibc2.  In order to
> > use
> > > the new glibc, I do the following:
> > >  (1) export LD_LIBRARY_PATH=/usr/local/glibc2/lib
> > >  (2) when I execute ls , there are errors
> > occurred:
> > >   ls: error while loading shared libraries:
> > libc.so.6:
> > > cannot handle TLS data
> > >   then what should I do for this?
> > 
> > I've been setting up chroot jails to test with
> > alternate glibc's
> > etc.  Haven't tried it with NPTL yet, but maybe my
> > procedure will
> > help there.   It's basically:
> > 
> > first, grab a copy of the new glibc's shared
> > libraries and the system passwd file:
> > 
> >    mkjail.sh /usr/local/glibc2 /etc/passwd
> > 
> > then create the jail:
> > 
> > $ su
> > # cat jail.tar.gz | sh initjail.sh myjail
> > 
> > then test the jail:
> > 
> > # /usr/sbin/chroot `pwd`/myjail /bin/sh
> > 
> > The scripts are documented at
> > 
> >
> http://www.kegel.com/crosstool/crosstool-0.11/doc/chroot-login-howto.html
> > 
> > All you need there is step 1; the rest is to allow
> > remote login into
> > the chroot jail.  You may need to adjust the scripts
> > I wrote a bit,
> > if nptl adds any shared libraries, you need to add
> > them to the list
> > in mkjail.sh.  And you'll need to either install
> > /bin/ash, which is the shell my
> > script copies instead of /bin/sh, or edit the
> > script.
> > - Dan
> > 
> > -- 
> > Dan Kegel
> > http://www.kegel.com
> >
> http://counter.li.org/cgi-bin/runscript/display-person.cgi?user=78045
> > 
> > 
> > -- 
> > Phil-list mailing list
> > [email protected]
> > https://www.redhat.com/mailman/listinfo/phil-list
> 
> 
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