[erlang-questions] erl using 99% CPU while idle

Matthias Lang <>
Thu Mar 29 09:04:17 CEST 2012


On Tuesday, March 27, Frank Hunleth wrote:
> I was wondering if anyone had seen erl, specifically the
> erts-5.9/bin/beam process, run at 99% CPU while at the shell prompt.
> All that I do is run erl without any command line arguments and let it
> sit. This is a cross-compiled Erlang R15B running on an ARM processor,

I don't see this.

Erlang R15B (erts-5.9) [source] [async-threads:0] [kernel-poll:false]

Linux gth 2.6.36-07959-g6f9f1ac #1 Mon Nov 14 00:29:39 CET 2011 armv5tejl GNU/Linux

gth3 >arm-linux-gcc -v
Reading specs from /usr/local/eldk42/usr/bin/../lib/gcc/arm-linux-gnueabi/4.2.2/specs
Target: arm-linux-gnueabi
Configured with: /opt/eldk/build/arm-2008-11-24/work/usr/src/denx/BUILD/crosstool-0.43/build/gcc-4.2.2-glibc-20070515T2025-eldk/arm-linux-gnueabi/gcc-4.2.2/configure --target=arm-linux-gnueabi --host=i686-host_pc-linux-gnu --prefix=/var/tmp/eldk.ywMqKk/usr/crosstool/gcc-4.2.2-glibc-20070515T2025-eldk/arm-linux-gnueabi --disable-hosted-libstdcxx --with-headers=/var/tmp/eldk.ywMqKk/usr/crosstool/gcc-4.2.2-glibc-20070515T2025-eldk/arm-linux-gnueabi/arm-linux-gnueabi/include --with-local-prefix=/var/tmp/eldk.ywMqKk/usr/crosstool/gcc-4.2.2-glibc-20070515T2025-eldk/arm-linux-gnueabi/arm-linux-gnueabi --disable-nls --enable-threads=posix --enable-symvers=gnu --enable-__cxa_atexit --enable-languages=c,c++,java --enable-shared --enable-c99 --enable-long-long --without-x
Thread model: posix
gcc version 4.2.2

Mail me off-list if you want a copy of my binary.

Matt



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