Re: NetBSD/java threading issues

[David Brownlee <abs%netbsd.org@localhost>]

On 11 December 2010 20:23, Francois Tigeot <ftigeot%wolfpond.org@localhost> 
wrote:
> On Sat, Dec 11, 2010 at 07:50:07PM +0000, David Brownlee wrote:
>
>> I don't have any thoughts on how to resolve this, but possibly a
>> couple of collecting more information:
>>
>> Is your machine multiprocessor?
>
> Yes, this is an old dual-core Opteron system.
>
>> If so could you try booting with only
>> one CPU enabled and see if the threading issues exhibit?
>
> I'll have a go at it. Is there any way to force a non-SMP boot with a
> NetBSD-5 kernel ? I'm not sure I'll be able to disable SMP support in the
> BIOS.

*possibly* boot -c and 'disable cpu1'

>> Also,
>> possibly try running the netbsd-4 binary under netbsd-5 (probably with
>> 'sysctl -w kern.no_sa_support=0' first).
>
> I don't think this will change anything: Martin S. Weber had the same thread
> always waiting problem with Linux binaries...

That will ensure its using the old 'sa' threading library, which ships
with netbsd-5 for compat...