Re: named illegal instruction on i486

[christos%astron.com@localhost (Christos Zoulas)]

In article <69B2BF00-4BDB-4876-843E-CF0B9C5DCD4A%azeotrope.org@localhost>,
Dave Huang  <khym%azeotrope.org@localhost> wrote:
>
>On Apr 22, 2014, at 6:43, Christos Zoulas <christos%astron.com@localhost> 
>wrote:
>
>> In article <20140422025233.086696b3.frank%phoenix.owl.de@localhost>,
>> Frank Wille  <frank%phoenix.owl.de@localhost> wrote:
>>> The disassembly shows that the CPU fails on executing the instruction
>>> "lock cmpxchg...", which is only available for Pentium CPUs and higher.
>>> 
>>> Any idea what went wrong? Is it a general problem in libc or was named
>>> built for >=Pentium?
>> 
>> Looks that way (our assembly files are written for >= pentium). Until
>> that gets fixes, you can turn off NAMED_USE_PTHREADS.
>
>I thought cmpxchg was available on the 486 (but not on the 386)...

that's cmpxchg8b...
The easiest way is to comment out __HAVE_ATOMIC64_OPS in
/usr/src/sys/arch/i386/include/types.h and rebuild everything.

christos