[erlang-bugs] R14B02+ crashes on older hardware, Windows XP
Sat Jul 2 20:38:44 CEST 2011
On Sat, Jul 2, 2011 at 6:52 AM, Mikael Pettersson <> wrote:
> sgm writes:
> > We have a field data collection application recently re-written to use
> > CouchDB. It requires minimal computer resources, so a number of the
> > notebooks we use are circa 2001/2002. All run Windows XP with SP2 or
> > SP3, and we are using CouchDB 1.1.
> > On the older machines, Erlang R14B02 and R14B03 crash almost
> > immediately upon running werl or erl. R14B01 does not.
> > I'm attaching a screenshot of the crash on one of the machines. In all
> > cases it happens at the same point, almost immediately, is 100%
> > reproducible, and no crash dump is generated.
> > Here are the machines where it crashes:
> > Dell Inspiron 2500, 1.0GHz Pentium III, 160MB RAM, system summary
> > rctc11.txt attached
> > Dell Inspiron 2600, 1.06GHz Celeron, 128MB RAM, system summary
> > rctc12.txt attached
> > Gateway Solo 9300, 750MHz Pentium III, 160MB RAM, system summary
> > rctc16.txt attached
> > For comparison, I'm also including this machine of similar vintage
> > which does NOT crash:
> > Dell Inspiron 2650, 1.7GHz Pentium 4, 256MB RAM, system summary
> > rctc13.txt attached
> You need to rebuild the Erlang VM with the --enable-ethread-pre-pentium4-compatibility
> This is a big ugly bug in the Erlang VM.
Thanks Mikael, I suspected it was a CPU-related issue. You say it's a
bug, but the documented option implies it's intentional. Are you
suggesting the VM should detect the CPU at startup and load the
Dave - Yes, we're using this build of yours
Switching to this one
although we get sporadic Futon test suite failures. However, the
failed test usually works when we re-run it individually. Haven't done
much testing of our application yet. Thanks for posting these builds!
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