[erlang-questions] How to Cross compile Erlang/OTP R13B04 for TileraPro64
JR Zhang
zhangjr2009@REDACTED
Mon Mar 29 19:36:54 CEST 2010
Thank you Rickard. It solved the problem.
Best Regards,
Jianrong Zhang
Kista Multicore Center, SICS
On Mon, Mar 29, 2010 at 4:13 PM, Rickard Green <rickard@REDACTED> wrote:
> The following patch hopefully fixes you problem. The bug only
> manifests itself when the number of logical processors found is fewer
> than reported by sysconf(_SC_NPROCESSORS_CONF). This is normally never
> the case, but on the tilera (with a relatively new MDE) it is.
>
> Regards,
> Rickard, Erlang/OTP, Ericsson AB
>
> $ diff -Nau otp_src_R13B04/erts/lib_src/common/erl_misc_utils.c{~,}
> --- otp_src_R13B04/erts/lib_src/common/erl_misc_utils.c~
> 2009-11-20 14:32:23.000000000 +0100
> +++ otp_src_R13B04/erts/lib_src/common/erl_misc_utils.c 2010-03-29
> 15:53:28.000000000 +0200
> @@ -373,8 +373,8 @@
> return 0;
> memcpy((void *) topology,
> (void *) cpuinfo->topology,
> - cpuinfo->configured*sizeof(erts_cpu_topology_t));
> - return cpuinfo->configured;
> + cpuinfo->topology_size*sizeof(erts_cpu_topology_t));
> + return cpuinfo->topology_size;
> }
>
> int
>
>
>
> 2010/3/27 JR Zhang <zhangjr2009@REDACTED>:
> > Hi,
> >
> > I couldn't cross compile Erlang/OTP R13B04 for Tilera board properly. I
> > follow the steps described in INSTALL-CROSS.md, which are :
> > (1) cd $ERL_TOP
> > (2) ./otp_build configure --xcomp-conf=<path to
> > erl-xcomp-TileraMDE2.0-tilepro.conf>
> > (3) ./otp_build boot -a
> > (4) ./otp_build release -a /lhome/x/otp
> > (5) ./Install -cross -minimal /lhome/x/otp
> > The compilation is successful without any errors. But after I upload it
> to
> > Tilera board and run it, I get an error, "Segmentation fault".
> >
> > I found a thread discussing how to cross compile R13B03 for Tilera Board
> > http://www.erlang.org/cgi-bin/ezmlm-cgi/4/49164 . I tried to add steps
> like
> > "touch lib/crypto/SKIP', "touch lib/ssl/SKIP", "touch lib/ssh/SKIP". But
> I
> > still didn't succeed.
> >
> > Could someone help me? Thank you in advance.
> >
> > Best Regards,
> > Jianrong Zhang
> > Kista Multicore Center, SICS
> >
>
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