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Date:      Wed, 1 Aug 2012 21:07:44 -0500
From:      Scot Hetzel <swhetzel@gmail.com>
To:        mike andrews <mikea@mikea.ath.cx>
Cc:        freebsd-amd64@freebsd.org
Subject:   Re: no such instructions: xsave, xsetbv, xrstor
Message-ID:  <CACdU%2Bf-Qy=BsCytKq0JNGofc5kfhVpW1EYGc1H4JZH65gHRp-w@mail.gmail.com>
In-Reply-To: <20120802013527.GA87188@mikea.ath.cx>
References:  <20120802013527.GA87188@mikea.ath.cx>

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On Wed, Aug 1, 2012 at 8:35 PM, mike andrews <mikea@mikea.ath.cx> wrote:
> On Sat, Jul 21, 2012 at 07:55:23PM +0200, Arvydas Sidorenko wrote:
>> This is the output I get when building 10-CURRENT from HEAD:
>> /usr/src/sys/amd64/amd64/cpu_switch.S: Assembler messages:
>> /usr/src/sys/amd64/amd64/cpu_switch.S:128: Error: no such instruction:
>> `xsave (%r8)'
>> /usr/src/sys/amd64/amd64/cpu_switch.S:504: Error: no such instruction:
>> `xsetbv'
>> /usr/src/sys/amd64/amd64/cpu_switch.S:505: Error: no such instruction:
>> `xrstor (%rbx)'
>
> Apologies for not replying into the thread, but I just subscribed and
> don't have that luxury until some listmail arrives for this thread.
>
> I'm getting the same problem doing a `make buildkernel KERNCONF=GENERIC`
> on an amd64 system (Intel core i5 4-way):
>
Did you do a `make clean && make buildworld` before your `make buildkernel`?

Scot



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