Is i686 the minimum required for HotSpot on x86?

Dr Andrew John Hughes ahughes at
Tue Mar 29 07:26:06 PDT 2011

We've just had a bug report for IcedTea which suggests that
HotSpot fails on any x86 platform below i686.

The report is:

and shows a failure caused by an attempt by the JIT to emit
an instruction which isn't present on i586.

Does HotSpot require i686 as a minimum? Or is there something
else at fault here?

Andrew :)

Free Java Software Engineer
Red Hat, Inc. (

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